{"id":3760,"date":"2022-09-20T09:06:04","date_gmt":"2022-09-20T02:06:04","guid":{"rendered":"https:\/\/dpm360.com\/?post_type=product&#038;p=3760"},"modified":"2022-09-21T07:34:55","modified_gmt":"2022-09-21T00:34:55","slug":"ong-nhua-pvc","status":"publish","type":"product","link":"https:\/\/dpm360.com\/san-pham\/ong-nhua-pvc\/","title":{"rendered":"\u1ed0ng nh\u1ef1a PVC"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_27 ez-toc-wrap-left counter-hierarchy counter-decimal ez-toc-grey\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">M\u1ee5c l\u1ee5c<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" style=\"display: none;\"><label for=\"item\" aria-label=\"Table of Content\"><i class=\"ez-toc-glyphicon ez-toc-icon-toggle\"><\/i><\/label><input type=\"checkbox\" id=\"item\"><\/a><\/span><\/div>\n<nav><ul class=\"ez-toc-list ez-toc-list-level-1\"><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/dpm360.com\/san-pham\/ong-nhua-pvc\/#Ong_nhua_PVC\" title=\"\u1ed0ng nh\u1ef1a PVC\">\u1ed0ng nh\u1ef1a PVC<\/a><ul class=\"ez-toc-list-level-3\"><li class=\"ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/dpm360.com\/san-pham\/ong-nhua-pvc\/#Tong_quat_ve_ong_nhua_PVC\" title=\"T\u1ed5ng qu\u00e1t v\u1ec1 \u1ed1ng nh\u1ef1a PVC\">T\u1ed5ng qu\u00e1t v\u1ec1 \u1ed1ng nh\u1ef1a PVC<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/dpm360.com\/san-pham\/ong-nhua-pvc\/#Phan_loai_ong_nhua_pvc\" title=\"Ph\u00e2n lo\u1ea1i \u1ed1ng nh\u1ef1a pvc\">Ph\u00e2n lo\u1ea1i \u1ed1ng nh\u1ef1a pvc<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/dpm360.com\/san-pham\/ong-nhua-pvc\/#Lich_su_phat_trien_ong_nhua_PVC\" title=\"L\u1ecbch s\u1eed ph\u00e1t tri\u1ec3n \u1ed1ng nh\u1ef1a PVC\">L\u1ecbch s\u1eed ph\u00e1t tri\u1ec3n \u1ed1ng nh\u1ef1a PVC<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/dpm360.com\/san-pham\/ong-nhua-pvc\/#Toan_canh_nganh_cong_nghiep_ong_PVC\" title=\"To\u00e0n c\u1ea3nh ng\u00e0nh c\u00f4ng nghi\u1ec7p \u1ed1ng PVC\">To\u00e0n c\u1ea3nh ng\u00e0nh c\u00f4ng nghi\u1ec7p \u1ed1ng PVC<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/dpm360.com\/san-pham\/ong-nhua-pvc\/#Xu_huong_phat_trien\" title=\"Xu h\u01b0\u1edbng ph\u00e1t tri\u1ec3n\">Xu h\u01b0\u1edbng ph\u00e1t tri\u1ec3n<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/dpm360.com\/san-pham\/ong-nhua-pvc\/#Tinh_trang_phat_trien_ong_nhua_PVC\" title=\"T\u00ecnh tr\u1ea1ng ph\u00e1t tri\u1ec3n \u1ed1ng nh\u1ef1a PVC\">T\u00ecnh tr\u1ea1ng ph\u00e1t tri\u1ec3n \u1ed1ng nh\u1ef1a PVC<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/dpm360.com\/san-pham\/ong-nhua-pvc\/#Quan_diem_ve_ong_nhua_PVC\" title=\"Quan \u0111i\u1ec3m v\u1ec1 \u1ed1ng nh\u1ef1a PVC\">Quan \u0111i\u1ec3m v\u1ec1 \u1ed1ng nh\u1ef1a PVC<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/dpm360.com\/san-pham\/ong-nhua-pvc\/#Ong_thoat_nuoc_PVC\" title=\"\u1ed0ng tho\u00e1t n\u01b0\u1edbc PVC\">\u1ed0ng tho\u00e1t n\u01b0\u1edbc PVC<\/a><ul class=\"ez-toc-list-level-4\"><li class=\"ez-toc-heading-level-4\"><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/dpm360.com\/san-pham\/ong-nhua-pvc\/#Uu_diem_cua_san_pham_ong_thoat_nuoc_PVC\" title=\"\u01afu \u0111i\u1ec3m c\u1ee7a s\u1ea3n ph\u1ea9m \u1ed1ng tho\u00e1t n\u01b0\u1edbc PVC\">\u01afu \u0111i\u1ec3m c\u1ee7a s\u1ea3n ph\u1ea9m \u1ed1ng tho\u00e1t n\u01b0\u1edbc PVC<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-4\"><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/dpm360.com\/san-pham\/ong-nhua-pvc\/#Huong_dan_lap_dat_ong_nhua_PVC\" title=\"H\u01b0\u1edbng d\u1eabn l\u1eafp \u0111\u1eb7t \u1ed1ng nh\u1ef1a PVC\">H\u01b0\u1edbng d\u1eabn l\u1eafp \u0111\u1eb7t \u1ed1ng nh\u1ef1a PVC<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-4\"><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/dpm360.com\/san-pham\/ong-nhua-pvc\/#Phuong_phap_thiet_ke_cong_thuc_cua_ong_nhua_PVC\" title=\"Ph\u01b0\u01a1ng ph\u00e1p thi\u1ebft k\u1ebf c\u00f4ng th\u1ee9c c\u1ee7a \u1ed1ng nh\u1ef1a PVC\">Ph\u01b0\u01a1ng ph\u00e1p thi\u1ebft k\u1ebf c\u00f4ng th\u1ee9c c\u1ee7a \u1ed1ng nh\u1ef1a PVC<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-4\"><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/dpm360.com\/san-pham\/ong-nhua-pvc\/#Yeu_cau_ve_xay_dung_va_chon_cat_ong_thoat_nuoc_PVC\" title=\"Y\u00eau c\u1ea7u v\u1ec1 x\u00e2y d\u1ef1ng v\u00e0 ch\u00f4n c\u1ea5t \u1ed1ng tho\u00e1t n\u01b0\u1edbc PVC\">Y\u00eau c\u1ea7u v\u1ec1 x\u00e2y d\u1ef1ng v\u00e0 ch\u00f4n c\u1ea5t \u1ed1ng tho\u00e1t n\u01b0\u1edbc PVC<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-4\"><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/dpm360.com\/san-pham\/ong-nhua-pvc\/#Ung_dung_ong_nhua_thoat_nuoc\" title=\"\u1ee8ng d\u1ee5ng \u1ed1ng nh\u1ef1a tho\u00e1t n\u01b0\u1edbc\">\u1ee8ng d\u1ee5ng \u1ed1ng nh\u1ef1a tho\u00e1t n\u01b0\u1edbc<\/a><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Ong_nhua_PVC\"><\/span><span style=\"color: #008000; font-size: 12pt;\"><em><strong>\u1ed0ng nh\u1ef1a PVC<\/strong><\/em><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-size: 12pt;\">\u1ed0ng nh\u1ef1a PVC\u00a0 l\u00e0m t\u1eeb ch\u1ea5t li\u1ec7u PVC c\u00f3 t\u00ean vi\u1ebft t\u1eaft c\u1ee7a (Polyvinylchlorid), th\u00e0nh ph\u1ea7n ch\u00ednh l\u00e0 polyvinyl clorua v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n kh\u00e1c \u0111\u01b0\u1ee3c th\u00eam v\u00e0o \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t, \u0111\u1ed9 d\u1ebbo dai v\u00e0 \u0111\u1ed9 d\u1ebbo c\u1ee7a n\u00f3. L\u1edbp tr\u00ean c\u00f9ng c\u1ee7a l\u1edbp m\u00e0ng b\u1ec1 m\u1eb7t n\u00e0y l\u00e0 s\u01a1n m\u00e0i, th\u00e0nh ph\u1ea7n ch\u00ednh \u1edf gi\u1eefa l\u00e0 polyvinyl clorua v\u00e0 l\u1edbp d\u01b0\u1edbi c\u00f9ng l\u00e0 ch\u1ea5t k\u1ebft d\u00ednh ph\u1ee7 m\u1eb7t sau.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">N\u00f3 l\u00e0 m\u1ed9t v\u1eadt li\u1ec7u t\u1ed5ng h\u1ee3p \u0111\u01b0\u1ee3c y\u00eau th\u00edch, ph\u1ed5 bi\u1ebfn v\u00e0 s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i tr\u00ean th\u1ebf gi\u1edbi hi\u1ec7n nay. M\u1ee9c s\u1eed d\u1ee5ng to\u00e0n c\u1ea7u c\u1ee7a n\u00f3 l\u00e0 cao th\u1ee9 hai trong s\u1ed1 t\u1ea5t c\u1ea3 c\u00e1c v\u1eadt li\u1ec7u t\u1ed5ng h\u1ee3p.<\/span><\/p>\n<figure id=\"attachment_3762\" aria-describedby=\"caption-attachment-3762\" style=\"width: 300px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" class=\"wp-image-3762 size-medium\" src=\"https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/ong-nhua-pvc-300x300.jpg\" alt=\"\u1ed0ng nh\u1ef1a PVC\" width=\"300\" height=\"300\" srcset=\"https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/ong-nhua-pvc-300x300.jpg 300w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/ong-nhua-pvc-150x150.jpg 150w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/ong-nhua-pvc-768x768.jpg 768w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/ong-nhua-pvc-100x100.jpg 100w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/ong-nhua-pvc-600x600.jpg 600w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/ong-nhua-pvc.jpg 800w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-3762\" class=\"wp-caption-text\"><span style=\"font-size: 12pt;\">\u1ed0ng nh\u1ef1a PVC<\/span><\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"Tong_quat_ve_ong_nhua_PVC\"><\/span><span style=\"color: #ff0000; font-size: 12pt;\"><em><strong>T\u1ed5ng qu\u00e1t v\u1ec1 \u1ed1ng nh\u1ef1a PVC<\/strong><\/em><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-size: 12pt;\"><span style=\"color: #800080;\"><a style=\"color: #800080;\" href=\"https:\/\/dpm360.com\/san-pham\/ong-nhua-pvc\/\">\u1ed0ng nh\u1ef1a PVC<\/a><\/span> (\u0111\u01b0\u1ee3c chia th\u00e0nh \u1ed1ng PVC-U, \u1ed1ng PVC-M v\u00e0 \u1ed1ng PVC-O), \u1ed1ng polyvinyl clorua c\u1ee9ng \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng nh\u1ef1a polyvinyl clorua, ch\u1ea5t \u1ed5n \u0111\u1ecbnh, ch\u1ea5t b\u00f4i tr\u01a1n v\u00e0 sau \u0111\u00f3 \u0111\u01b0\u1ee3c \u00e9p \u0111\u00f9n b\u1eb1ng c\u00e1ch \u00e9p n\u00f3ng. \u1ed0ng nh\u1ef1a s\u1edbm nh\u1ea5t \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n v\u00e0 \u0111\u00e3 \u00e1p d\u1ee5ng.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">\u1ed0ng PVC-U c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n m\u1ea1nh, d\u1ec5 li\u00ean k\u1ebft, gi\u00e1 r\u1ebb v\u00e0 k\u1ebft c\u1ea5u c\u1ee9ng, nh\u01b0ng do ti\u1ebft ra t\u1eeb monome PVC-U v\u00e0 c\u00e1c ch\u1ea5t ph\u1ee5 gia n\u00ean ch\u1ec9 th\u00edch h\u1ee3p cho c\u00e1c h\u1ec7 th\u1ed1ng c\u1ea5p n\u01b0\u1edbc c\u00f3 nhi\u1ec7t \u0111\u1ed9 truy\u1ec1n t\u1ea3i kh\u00f4ng qu\u00e1 45 \u00b0 C. \u1ed0ng nh\u1ef1a \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong h\u1ec7 th\u1ed1ng tho\u00e1t n\u01b0\u1edbc, n\u01b0\u1edbc th\u1ea3i, h\u00f3a ch\u1ea5t, ch\u1ea5t l\u1ecfng l\u00e0m n\u00f3ng v\u00e0 l\u00e0m m\u00e1t, th\u1ef1c ph\u1ea9m, ch\u1ea5t l\u1ecfng si\u00eau tinh khi\u1ebft, b\u00f9n, kh\u00ed, kh\u00ed n\u00e9n v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng h\u1ec7 th\u1ed1ng ch\u00e2n kh\u00f4ng.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">\u1ed0ng PVC-O, t\u00ean ti\u1ebfng Vi\u1ec7t Nam l\u00e0 polyvinyl clorua \u0111\u1ecbnh h\u01b0\u1edbng hai tr\u1ee5c, l\u00e0 s\u1ef1 ph\u00e1t tri\u1ec3n m\u1edbi nh\u1ea5t c\u1ee7a \u1ed1ng PVC, \u1ed1ng \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1eb1ng c\u00f4ng ngh\u1ec7 x\u1eed l\u00fd \u0111\u1ecbnh h\u01b0\u1edbng \u0111\u1eb7c bi\u1ec7t, \u1ed1ng PVC-U \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p \u0111\u00f9n ch\u1ecbu k\u00e9o d\u00e0i theo tr\u1ee5c v\u00e0 \u0111\u01b0\u1eddng k\u00ednh d\u00e0i &#8211; chu\u1ed7i ph\u00e2n t\u1eed PVC trong \u1ed1ng \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp \u0111\u1ec1u \u0111\u1eb7n theo h\u01b0\u1edbng hai tr\u1ee5c v\u00e0 thu \u0111\u01b0\u1ee3c m\u1ed9t lo\u1ea1i \u1ed1ng PVC m\u1edbi c\u00f3 \u0111\u1ed9 b\u1ec1n cao, \u0111\u1ed9 d\u1ebbo dai cao, kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp v\u00e0 ch\u1ed1ng m\u1ecfi cao.<\/span><\/p>\n<figure id=\"attachment_3763\" aria-describedby=\"caption-attachment-3763\" style=\"width: 300px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" class=\"wp-image-3763 size-medium\" src=\"https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/ong-nuoc-pvc-300x300.jpg\" alt=\"\u1ed0ng n\u01b0\u1edbc PVC m\u00e0u tr\u1eafng\" width=\"300\" height=\"300\" srcset=\"https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/ong-nuoc-pvc-300x300.jpg 300w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/ong-nuoc-pvc-150x150.jpg 150w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/ong-nuoc-pvc-768x768.jpg 768w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/ong-nuoc-pvc-100x100.jpg 100w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/ong-nuoc-pvc-600x600.jpg 600w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/ong-nuoc-pvc.jpg 800w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-3763\" class=\"wp-caption-text\"><span style=\"font-size: 12pt;\">\u1ed0ng n\u01b0\u1edbc PVC m\u00e0u tr\u1eafng<\/span><\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"Phan_loai_ong_nhua_pvc\"><\/span><span style=\"color: #ff0000; font-size: 12pt;\"><em><strong>Ph\u00e2n lo\u1ea1i \u1ed1ng nh\u1ef1a pvc<\/strong><\/em><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-size: 12pt;\">PVC c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh PVC m\u1ec1m v\u00e0 PVC c\u1ee9ng. Trong \u0111\u00f3, PVC c\u1ee9ng chi\u1ebfm kho\u1ea3ng 2\/3 th\u1ecb tr\u01b0\u1eddng v\u00e0 PVC m\u1ec1m chi\u1ebfm 1\/3. PVC m\u1ec1m th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho l\u1edbp b\u1ec1 m\u1eb7t c\u1ee7a s\u00e0n nh\u00e0, tr\u1ea7n nh\u00e0 v\u00e0 da, nh\u01b0ng v\u00ec PVC m\u1ec1m c\u00f3 ch\u1ee9a ch\u1ea5t h\u00f3a d\u1ebbo (\u0111\u00e2y c\u0169ng l\u00e0 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa PVC m\u1ec1m v\u00e0 PVC c\u1ee9ng) n\u00ean t\u00ednh ch\u1ea5t v\u1eadt l\u00fd k\u00e9m (v\u00ed d\u1ee5, \u1ed1ng n\u01b0\u1edbc tr\u00ean c\u1ea7n \u0111\u1ec3 ch\u1ecbu m\u1ed9t \u00e1p l\u1ef1c n\u01b0\u1edbc nh\u1ea5t \u0111\u1ecbnh, PVC m\u1ec1m kh\u00f4ng th\u00edch h\u1ee3p \u0111\u1ec3 s\u1eed d\u1ee5ng). Do \u0111\u00f3 ph\u1ea1m vi s\u1eed d\u1ee5ng c\u1ee7a n\u00f3 b\u1ecb h\u1ea1n ch\u1ebf. PVC c\u1ee9ng kh\u00f4ng ch\u1ee9a ch\u1ea5t h\u00f3a d\u1ebbo n\u00ean d\u1ec5 t\u1ea1o h\u00ecnh, c\u00f3 t\u00ednh ch\u1ea5t v\u1eadt l\u00fd t\u1ed1t n\u00ean c\u00f3 gi\u00e1 tr\u1ecb ph\u00e1t tri\u1ec3n v\u00e0 \u1ee9ng d\u1ee5ng r\u1ea5t l\u1edbn. Trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t v\u1eadt li\u1ec7u polyvinyl clorua, m\u1ed9t s\u1ed1 ch\u1ea5t ph\u1ee5 gia nh\u1ea5t \u0111\u1ecbnh ph\u1ea3i \u0111\u01b0\u1ee3c th\u00eam v\u00e0o, ch\u1eb3ng h\u1ea1n nh\u01b0 ch\u1ea5t \u1ed5n \u0111\u1ecbnh, ch\u1ea5t h\u00f3a d\u1ebbo&#8230;N\u1ebfu s\u1eed d\u1ee5ng t\u1ea5t c\u1ea3 c\u00e1c ch\u1ea5t ph\u1ee5 gia b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng th\u00ec \u1ed1ng nh\u1ef1a PVC c\u0169ng l\u00e0 s\u1ea3n ph\u1ea9m kh\u00f4ng \u0111\u1ed9c, kh\u00f4ng v\u1ecb v\u00e0 th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng.<\/span><\/p>\n<figure id=\"attachment_3764\" aria-describedby=\"caption-attachment-3764\" style=\"width: 300px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" class=\"wp-image-3764 size-medium\" src=\"https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/ong-nhua-pvc-u-300x300.jpg\" alt=\"\u1ed0ng nh\u1ef1a PVC U\" width=\"300\" height=\"300\" srcset=\"https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/ong-nhua-pvc-u-300x300.jpg 300w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/ong-nhua-pvc-u-150x150.jpg 150w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/ong-nhua-pvc-u-100x100.jpg 100w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/ong-nhua-pvc-u-600x600.jpg 600w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/ong-nhua-pvc-u.jpg 634w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-3764\" class=\"wp-caption-text\"><span style=\"font-size: 12pt;\">\u1ed0ng nh\u1ef1a PVC U<\/span><\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"Lich_su_phat_trien_ong_nhua_PVC\"><\/span><span style=\"color: #ff0000; font-size: 12pt;\"><em><strong>L\u1ecbch s\u1eed ph\u00e1t tri\u1ec3n \u1ed1ng nh\u1ef1a PVC<\/strong><\/em><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-size: 12pt;\">S\u1ea3n ph\u1ea9m PVC profile \u0111\u00e3 tr\u1ea3i qua m\u1ed9t th\u1eddi k\u1ef3 gi\u1edbi thi\u1ec7u v\u00e0 m\u1ed9t th\u1eddi k\u1ef3 ph\u00e1t tri\u1ec3n v\u1edbi t\u1ed1c \u0111\u1ed9 cao, x\u00e9t t\u1eeb kh\u00eda c\u1ea1nh th\u1eddi gian, ch\u00fang c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh l\u00e0 nh\u1eefng n\u0103m 1980 \u0111\u1ebfn gi\u1eefa nh\u1eefng n\u0103m 1990 v\u00e0 1995 \u0111\u1ebfn 2002. Sau n\u0103m 2003, ng\u00e0nh PVC \u0111\u1ecbnh h\u00ecnh b\u01b0\u1edbc v\u00e0o giai \u0111o\u1ea1n chuy\u1ec3n \u0111\u1ed5i. Trong giai \u0111o\u1ea1n gi\u1edbi thi\u1ec7u s\u1ea3n ph\u1ea9m: c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t th\u01b0\u1eddng theo \u0111u\u1ed5i chi ph\u00ed th\u1ea5p, \u0111\u01a1n gi\u1ea3n h\u00f3a ph\u1ea7n c\u1eeda \u0111i v\u00e0 c\u1eeda s\u1ed5 v\u00e0 b\u1ed5 sung m\u1ed9t l\u01b0\u1ee3ng l\u1edbn canxi cacbonat trong c\u00f4ng th\u1ee9c, d\u1eabn \u0111\u1ebfn hi\u1ec7u su\u1ea5t s\u1ea3n ph\u1ea9m th\u1ea5p v\u00e0 nhi\u1ec1u v\u1ea5n \u0111\u1ec1 v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn vi\u1ec7c qu\u1ea3ng b\u00e1 s\u1ea3n ph\u1ea9m.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">B\u1eaft \u0111\u1ea7u t\u1eeb n\u0103m 1995, m\u1ed9t nh\u00f3m doanh nghi\u1ec7p h\u00f9ng m\u1ea1nh b\u1eaft \u0111\u1ea7u ti\u1ebfp thu v\u00e0 ti\u1ebfp thu tinh hoa k\u1ef9 thu\u1eadt c\u1ee7a c\u00e1c lo\u1ea1i profile ki\u1ec3u Ch\u00e2u \u00c2u c\u1ee7a n\u01b0\u1edbc ngo\u00e0i, t\u1ef1 ph\u00e1t tri\u1ec3n c\u00e1c d\u00f2ng s\u1ea3n ph\u1ea9m c\u1eeda \u0111i, c\u1eeda s\u1ed5 v\u00e0 tr\u1edf th\u00e0nh \u0111\u01a1n v\u1ecb d\u1eabn \u0111\u1ea7u ng\u00e0nh c\u1eeda nh\u1ef1a trong n\u01b0\u1edbc ph\u00e1t tri\u1ec3n v\u00e0 t\u0103ng tr\u01b0\u1edfng nhanh ch\u00f3ng. Sau khi b\u01b0\u1edbc v\u00e0o th\u1eddi k\u1ef3 ch\u00edn mu\u1ed3i c\u1ee7a s\u1ea3n ph\u1ea9m, t\u1ee9c l\u00e0 t\u1eeb n\u0103m 2003, nhi\u1ec1u m\u1eb7t h\u1ea1n ch\u1ebf b\u1eaft \u0111\u1ea7u b\u1ed9c l\u1ed9, t\u1ef7 su\u1ea5t l\u1ee3i nhu\u1eadn qu\u00e1 cao d\u1eabn \u0111\u1ebfn \u0111\u1ea7u t\u01b0 qu\u00e1 m\u1ee9c m\u1ed9t c\u00e1ch m\u00f9 qu\u00e1ng, l\u00e0m cho n\u0103ng l\u1ef1c s\u1ea3n xu\u1ea5t to\u00e0n ng\u00e0nh \u0111\u1ea1t g\u1ea7n 3 tri\u1ec7u t\u1ea5n, cao h\u01a1n nhi\u1ec1u so v\u1edbi nhu c\u1ea7u th\u1ecb tr\u01b0\u1eddng. <\/span><\/p>\n<p><span style=\"font-size: 12pt;\">Nh\u1eefng ng\u01b0\u1eddi kh\u00f4ng b\u1eaft \u0111\u1ea7u b\u1eb1ng \u0111\u1ed5i m\u1edbi s\u1ea3n ph\u1ea9m v\u00e0 \u0111\u1ed5i m\u1edbi c\u00f4ng ngh\u1ec7, m\u00e0 ch\u1ec9 \u0111\u01a1n gi\u1ea3n l\u00e0 b\u1eaft ch\u01b0\u1edbc, ho\u1eb7c th\u1eadm ch\u00ed c\u1eaft x\u00e9n, h\u00e0ng gi\u1ea3 v\u00e0 k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng, th\u00ec s\u1ef1 c\u1ea1nh tranh tr\u00ean th\u1ecb tr\u01b0\u1eddng ng\u00e0nh \u1edf tr\u1ea1ng th\u00e1i kh\u00f4ng l\u00e0nh m\u1ea1nh. Gi\u00e1 nguy\u00ean v\u1eadt li\u1ec7u tr\u00ean th\u1ecb tr\u01b0\u1eddng t\u0103ng cao \u0111\u00e3 l\u00e0m gia t\u0103ng t\u00ecnh tr\u1ea1ng c\u1ea1nh tranh thi\u1ebfu l\u00e0nh m\u1ea1nh n\u00e0y, khi\u1ebfn m\u1ed9t s\u1ed1 doanh nghi\u1ec7p l\u00e2m v\u00e0o t\u00ecnh tr\u1ea1ng kh\u00f3 kh\u0103n ph\u1ea3i ng\u1eebng s\u1ea3n xu\u1ea5t ho\u1eb7c b\u00e1n ng\u1eebng s\u1ea3n xu\u1ea5t.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">Trong ng\u00e0nh n\u00e0y c\u00f2n c\u00f3 m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn c\u00e1c doanh nghi\u1ec7p s\u1ea3n xu\u1ea5t, s\u1ea3n l\u01b0\u1ee3ng nh\u1ecf v\u00e0 n\u0103ng l\u1ef1c s\u1ea3n xu\u1ea5t l\u1edbn (kho\u1ea3ng 1,5 tri\u1ec7u t\u1ea5n), nhu c\u1ea7u nh\u1ecf (1, tri\u1ec7u t\u1ea5n ti\u00eau th\u1ee5 c\u1ea3 n\u01b0\u1edbc n\u0103m 2008), v\u00e0 kh\u00f4ng \u0111\u1ee7 n\u0103ng l\u1ef1c s\u1ea3n xu\u1ea5t. Ch\u1ec9 c\u00f3 d\u01b0\u1edbi v\u00e0i doanh nghi\u1ec7p s\u1ea3n xu\u1ea5t tr\u00ean 1.000 t\u1ea5n, ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u, v\u1eabn c\u00f2n th\u1ecb tr\u01b0\u1eddng ti\u00eau th\u1ee5 s\u1ea3n ph\u1ea9m k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng, ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt th\u1ea5p kh\u00f4ng c\u00f3 l\u1ee3i cho ti\u1ebfn b\u1ed9 c\u00f4ng ngh\u1ec7, d\u1eabn \u0111\u1ebfn s\u1ef1 tr\u1edf l\u1ea1i c\u1ee7a nh\u00f4m thay th\u1ebf v\u1eadt li\u1ec7u. Th\u1ecb tr\u01b0\u1eddng cao c\u1ea5p (20%) do c\u00e1c th\u01b0\u01a1ng hi\u1ec7u n\u01b0\u1edbc ngo\u00e0i chi\u1ebfm gi\u1eef, c\u00f2n th\u1ecb tr\u01b0\u1eddng trung c\u1ea5p v\u00e0 b\u00ecnh d\u00e2n kh\u00f4ng c\u00f3 l\u1ee3i nhu\u1eadn v\u00e0 c\u1ea1nh tranh cao, v\u00e0 m\u00f4 h\u00ecnh cu\u1ed1i c\u00f9ng v\u1eabn ch\u01b0a \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh.<\/span><\/p>\n<figure id=\"attachment_3765\" aria-describedby=\"caption-attachment-3765\" style=\"width: 300px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" class=\"wp-image-3765 size-medium\" src=\"https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/ong-nhua-den-300x300.jpg\" alt=\"\u1ed0ng nh\u1ef1a \u0111en\" width=\"300\" height=\"300\" srcset=\"https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/ong-nhua-den-300x300.jpg 300w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/ong-nhua-den-150x150.jpg 150w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/ong-nhua-den-768x768.jpg 768w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/ong-nhua-den-100x100.jpg 100w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/ong-nhua-den-600x600.jpg 600w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/ong-nhua-den.jpg 800w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-3765\" class=\"wp-caption-text\"><span style=\"font-size: 12pt;\">\u1ed0ng nh\u1ef1a \u0111en<\/span><\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"Toan_canh_nganh_cong_nghiep_ong_PVC\"><\/span><span style=\"color: #ff0000; font-size: 12pt;\"><em><strong>To\u00e0n c\u1ea3nh ng\u00e0nh c\u00f4ng nghi\u1ec7p \u1ed1ng PVC<\/strong><\/em><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-size: 12pt;\">L\u00e0 m\u1ed9t trong nh\u1eefng s\u1ea3n ph\u1ea9m c\u1ee7a s\u1ef1 ph\u00e1t tri\u1ec3n khoa h\u1ecdc c\u00f4ng ngh\u1ec7, c\u00f3 th\u1ec3 th\u1ea5y \u1ed1ng nh\u1ef1a PVC trong cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y. \u1ede Ch\u00e2u \u00c2u, t\u1ed1c \u0111\u1ed9 t\u0103ng tr\u01b0\u1edfng \u1ed1ng nh\u1ef1a t\u1eeb 1980 \u0111\u1ebfn 1990 l\u00e0 8%, s\u1ea3n l\u01b0\u1ee3ng n\u0103m 2001 \u0111\u1ea1t 3,5 tri\u1ec7u t\u1ea5n, trong \u0111\u00f3 \u1ed1ng PVC chi\u1ebfm 60%. N\u0103m 1985, s\u1ea3n l\u01b0\u1ee3ng \u1ed1ng nh\u1ef1a c\u1ee7a Hoa K\u1ef3 l\u00e0 1,6 tri\u1ec7u t\u1ea5n, \u0111\u1ebfn n\u0103m 1999, s\u1ea3n l\u01b0\u1ee3ng kho\u1ea3ng 3,6 tri\u1ec7u t\u1ea5n, trong \u0111\u00f3 \u1ed1ng nh\u1ef1a PVC chi\u1ebfm 78%. <\/span><\/p>\n<p><span style=\"font-size: 12pt;\">\u1ed0ng loe UPVV \u0111\u1ea7u ti\u00ean \u1edf Vi\u1ec7t Nam n\u0103m 1995. K\u1ec3 t\u1eeb \u0111\u00f3, Vi\u1ec7t Nam c\u00f3 n\u0103ng l\u1ef1c s\u1ea3n xu\u1ea5t \u1ed1ng PVC v\u00e0 \u1ed1ng tho\u00e1t n\u01b0\u1edbc. Trong k\u1ef3, m\u1ed9t s\u1ed1 nh\u00e0 m\u00e1y c\u00f3 c\u00f4ng su\u1ea5t s\u1ea3n xu\u1ea5t h\u00e0ng n\u0103m tr\u00ean 50.000 t\u1ea5n \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng v\u00e0 \u0111i v\u00e0o ho\u1ea1t \u0111\u1ed9ng, h\u01a1n 30 nh\u00e0 m\u00e1y s\u1ea3n xu\u1ea5t \u1ed1ng PVC v\u1edbi quy m\u00f4 s\u1ea3n xu\u1ea5t tr\u00ean 10.000 t\u1ea5n \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng. N\u0103ng l\u1ef1c s\u1ea3n xu\u1ea5t \u1ed1ng nh\u1ef1a h\u00e0ng n\u0103m l\u00e0 2 tri\u1ec7u t\u1ea5n.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">\u1ed0ng PVC-O \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u n\u0103m \u1edf Anh, Ph\u00e1p, H\u00e0 Lan, B\u1ed3 \u0110\u00e0o Nha, Hoa K\u1ef3, \u00dac, Nam Phi v\u00e0 Nh\u1eadt B\u1ea3n. Hoa K\u1ef3, \u00dac v\u00e0 c\u00e1c qu\u1ed1c gia kh\u00e1c \u0111\u00e3 ban h\u00e0nh ti\u00eau chu\u1ea9n s\u1ea3n ph\u1ea9m c\u1ee7a PVC-O v\u00e0 t\u1ed5 ch\u1ee9c Ti\u00eau chu\u1ea9n Qu\u1ed1c t\u1ebf c\u0169ng \u0111\u00e3 c\u00f4ng b\u1ed1 ti\u00eau chu\u1ea9n PVC-O-ISO \/ DIS 16422-2006.<\/span><\/p>\n<figure id=\"attachment_3766\" aria-describedby=\"caption-attachment-3766\" style=\"width: 300px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" class=\"wp-image-3766 size-medium\" src=\"https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/phu-kien-ong-nhua-300x300.jpg\" alt=\"Ph\u1ee5 ki\u1ec7n \u1ed1ng nh\u1ef1a \" width=\"300\" height=\"300\" srcset=\"https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/phu-kien-ong-nhua-300x300.jpg 300w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/phu-kien-ong-nhua-150x150.jpg 150w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/phu-kien-ong-nhua-100x100.jpg 100w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/phu-kien-ong-nhua.jpg 600w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-3766\" class=\"wp-caption-text\"><span style=\"font-size: 12pt;\">Ph\u1ee5 ki\u1ec7n \u1ed1ng nh\u1ef1a<\/span><\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"Xu_huong_phat_trien\"><\/span><span style=\"color: #ff0000; font-size: 12pt;\"><em><strong>Xu h\u01b0\u1edbng ph\u00e1t tri\u1ec3n<\/strong><\/em><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-size: 12pt;\">\u1ed0ng PVC \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1ed9ng \u0111\u1ed3ng k\u1ef9 thu\u1eadt \u0111\u00f3n nh\u1eadn v\u00ec tr\u1ecdng l\u01b0\u1ee3ng nh\u1eb9, ch\u1ed1ng \u0103n m\u00f2n, c\u01b0\u1eddng \u0111\u1ed9 n\u00e9n cao, an to\u00e0n v\u00e0 ti\u1ec7n l\u1ee3i. Trong nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y, \u0111\u01b0\u1ee3c th\u00fac \u0111\u1ea9y b\u1edfi s\u1ef1 ph\u00e1t tri\u1ec3n nhanh ch\u00f3ng c\u1ee7a n\u1ec1n kinh t\u1ebf trong n\u01b0\u1edbc, \u1ed1ng nh\u1ef1a PVC c\u1ee7a n\u01b0\u1edbc t\u00f4i \u0111\u00e3 ph\u00e1t tri\u1ec3n nhanh ch\u00f3ng.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">C\u00e1c nh\u00e0 ph\u00e2n t\u00edch trong ng\u00e0nh ch\u1ec9 ra: \u0110\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi chu\u1ed7i c\u00f4ng nghi\u1ec7p h\u1ed7 tr\u1ee3 ho\u00e0n ch\u1ec9nh c\u1ee7a PVC v\u00e0 ngu\u1ed3n nguy\u00ean li\u1ec7u trong n\u01b0\u1edbc, s\u1ea3n l\u01b0\u1ee3ng \u1ed1ng PVC n\u0103m 2010 chi\u1ebfm 55% t\u1ed5ng s\u1ea3n l\u01b0\u1ee3ng. Trong nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y, th\u1ecb tr\u01b0\u1eddng \u1ed1ng PVC \u0111\u00e3 b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi nhi\u1ec1u y\u1ebfu t\u1ed1 kh\u00e1c nhau v\u00e0 th\u1ecb ph\u1ea7n c\u1ee7a n\u00f3 ng\u00e0y c\u00e0ng gi\u1ea3m. C\u00f3 3 nguy\u00ean nh\u00e2n ch\u00ednh d\u1eabn \u0111\u1ebfn s\u1ef1 s\u1ee5t gi\u1ea3m th\u1ecb ph\u1ea7n \u1ed1ng nh\u1ef1a PVC:<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">Th\u1ee9 nh\u1ea5t, th\u1ecb tr\u01b0\u1eddng \u1ed1ng PVC \u0111\u00e3 b\u1ecb t\u00e1c \u0111\u1ed9ng b\u1edfi c\u00e1c lo\u1ea1i \u1ed1ng nh\u1ef1a kh\u00e1c nh\u01b0 PE v\u00e0 PPR v\u00e0 \u0111\u00e3 chi\u1ebfm \u0111\u01b0\u1ee3c m\u1ed9t th\u1ecb ph\u1ea7n nh\u1ea5t \u0111\u1ecbnh<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">Th\u1ee9 hai l\u00e0: vi\u1ec7c c\u1ea5m ch\u1ea5t \u1ed5n \u0111\u1ecbnh ch\u1ee9a ch\u00ec trong \u1ed1ng PVC ti\u1ebfp x\u00fac v\u1edbi s\u1ea3n ph\u1ea9m th\u1ef1c ph\u1ea9m c\u00f3 t\u00e1c \u0111\u1ed9ng ti\u00eau c\u1ef1c nh\u1ea5t \u0111\u1ecbnh \u0111\u1ebfn s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a \u1ed1ng PVC<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">Th\u1ee9 ba l\u00e0: Hi\u1ec7n nay, ph\u00e1t tri\u1ec3n \u1ed1ng nh\u1ef1a PVC \u0111ang trong th\u1eddi k\u1ef3 ph\u00e1t tri\u1ec3n nhanh, n\u0103ng l\u1ef1c s\u1ea3n xu\u1ea5t c\u1ee7a ng\u00e0nh kh\u00f4ng ng\u1eebng \u0111\u01b0\u1ee3c m\u1edf r\u1ed9ng, \u0111\u1ec3 n\u1eafm b\u1eaft th\u1ecb tr\u01b0\u1eddng v\u00e0 gi\u1ea3m gi\u00e1 th\u00e0nh, nhi\u1ec1u doanh nghi\u1ec7p v\u1eeba v\u00e0 nh\u1ecf \u0111\u00e3 l\u1ea5p \u0111\u1ea7y c\u00f4ng th\u1ee9c c\u00f3 h\u00e0m l\u01b0\u1ee3ng canxi cacbonat l\u1edbn, \u0111\u00e3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn h\u00ecnh \u1ea3nh c\u1ee7a to\u00e0n ng\u00e0nh s\u1ea3n xu\u1ea5t \u1ed1ng nh\u1ef1a PVC, \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn th\u1ecb ph\u1ea7n PVC v\u00e0 \u0111\u1ea9y nhanh vi\u1ec7c m\u1ea5t th\u1ecb ph\u1ea7n PVC.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">Nh\u01b0ng nh\u00ecn chung, d\u00f9 th\u1ecb ph\u1ea7n \u1ed1ng nh\u1ef1a PVC ng\u00e0y c\u00e0ng gi\u1ea3m nh\u01b0ng v\u1eabn chi\u1ebfm v\u1ecb tr\u00ed th\u1ed1ng l\u0129nh th\u1ecb tr\u01b0\u1eddng \u1ed1ng nh\u1ef1a. V\u00e0 tri\u1ec3n v\u1ecdng h\u1ea5p d\u1eabn c\u1ee7a ng\u00e0nh \u1ed1ng nh\u1ef1a v\u1eabn l\u00e0 \u0111i\u1ec3m s\u00e1ng th\u00fac \u0111\u1ea9y s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a ng\u00e0nh \u1ed1ng nh\u1ef1a PVC.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">Hi\u1ec7n t\u1ea1i, n\u0103ng l\u1ef1c gia c\u00f4ng c\u1ee7a c\u00e1c doanh nghi\u1ec7p v\u1eeba v\u00e0 nh\u1ecf \u1ed1ng PVC trong n\u01b0\u1edbc ch\u1ee7 y\u1ebfu t\u1eadp trung \u1edf \u1ed1ng tho\u00e1t n\u01b0\u1edbc PVC. Trong giai \u0111o\u1ea1n x\u00e2y d\u1ef1ng nh\u00e0 \u1edf v\u00e0 c\u01a1 kh\u00ed \u0111\u00f4 th\u1ecb s\u1ebd v\u1eabn cung c\u1ea5p nhu c\u1ea7u n\u1ed9i \u0111\u1ecba \u1ed5n \u0111\u1ecbnh, \u0111i\u1ec1u n\u00e0y s\u1ebd th\u00fac \u0111\u1ea9y nhu c\u1ea7u th\u1ecb tr\u01b0\u1eddng \u0111\u1ed1i v\u1edbi \u1ed1ng tho\u00e1t n\u01b0\u1edbc PVC t\u0103ng l\u00ean.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\"> Trong m\u1ed9t kho\u1ea3ng th\u1eddi gian trong t\u01b0\u01a1ng lai, nhu c\u1ea7u th\u1ecb tr\u01b0\u1eddng \u0111\u1ed1i v\u1edbi \u1ed1ng PVC v\u1eabn s\u1ebd \u0111\u01b0\u1ee3c th\u00fac \u0111\u1ea9y b\u1edfi nhu c\u1ea7u x\u00e2y d\u1ef1ng v\u00e0 s\u1ebd ti\u1ebfp t\u1ee5c t\u0103ng tr\u01b0\u1edfng, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn c\u00e1c c\u00f4ng tr\u00ecnh nh\u00e0 \u1edf gi\u00e1 r\u1ebb \u0111\u01b0\u1ee3c ho\u00e0n th\u00e0nh. Nh\u01b0ng c\u1ea7n l\u01b0u \u00fd c\u00e1c doanh nghi\u1ec7p s\u1ea3n xu\u1ea5t \u1ed1ng nh\u1ef1a PVC c\u0169ng c\u1ea7n \u0111i\u1ec1u ch\u1ec9nh c\u01a1 c\u1ea5u s\u1ea3n ph\u1ea9m theo t\u00ecnh h\u00ecnh th\u1ef1c t\u1ebf, ch\u00fa tr\u1ecdng ph\u00e1t tri\u1ec3n c\u00e1c s\u1ea3n ph\u1ea9m v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng \u0111\u00e1p \u1ee9ng nhu c\u1ea7u th\u1ecb tr\u01b0\u1eddng, l\u1ea5y ch\u1ea5t l\u01b0\u1ee3ng b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng l\u00e0m c\u1ed1t l\u00f5i \u0111\u1ec3 ng\u00e0nh \u1ed1ng nh\u1ef1a b\u1ea5t kh\u1ea3 chi\u1ebfn b\u1ea1i th\u1ecb tr\u01b0\u1eddng.<\/span><\/p>\n<figure id=\"attachment_3767\" aria-describedby=\"caption-attachment-3767\" style=\"width: 300px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" class=\"wp-image-3767 size-medium\" src=\"https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/ong-nhua-gia-re-300x300.jpg\" alt=\"\u1ed0ng nh\u1ef1a gi\u00e1 r\u1ebb\" width=\"300\" height=\"300\" srcset=\"https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/ong-nhua-gia-re-300x300.jpg 300w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/ong-nhua-gia-re-150x150.jpg 150w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/ong-nhua-gia-re-768x768.jpg 768w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/ong-nhua-gia-re-100x100.jpg 100w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/ong-nhua-gia-re-600x600.jpg 600w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/ong-nhua-gia-re.jpg 787w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-3767\" class=\"wp-caption-text\"><span style=\"font-size: 12pt;\">\u1ed0ng nh\u1ef1a gi\u00e1 r\u1ebb<\/span><\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"Tinh_trang_phat_trien_ong_nhua_PVC\"><\/span><span style=\"color: #ff0000; font-size: 12pt;\"><em><strong>T\u00ecnh tr\u1ea1ng ph\u00e1t tri\u1ec3n \u1ed1ng nh\u1ef1a PVC<\/strong><\/em><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-size: 12pt;\">K\u1ec3 t\u1eeb \u0111\u1ea7u nh\u1eefng n\u0103m 1990, \u0111\u1ea5t n\u01b0\u1edbc ch\u00fang ta \u0111\u00e3 th\u00fac \u0111\u1ea9y m\u1ea1nh m\u1ebd vi\u1ec7c \u00e1p d\u1ee5ng \u1ed1ng nh\u1ef1a upvc, \u0111\u1ed3ng th\u1eddi x\u00e2y d\u1ef1ng h\u00e0ng lo\u1ea1t ch\u00ednh s\u00e1ch, h\u1ec7 th\u1ed1ng v\u00e0 ti\u00eau chu\u1ea9n, \u0111\u1ed3ng th\u1eddi t\u00edch l\u0169y \u0111\u01b0\u1ee3c nhi\u1ec1u kinh nghi\u1ec7m. Ng\u00e0y nay, n\u00f3 c\u00f3 c\u00e1c ti\u00eau chu\u1ea9n s\u1ea3n ph\u1ea9m ho\u00e0n h\u1ea3o, ti\u00eau chu\u1ea9n ph\u01b0\u01a1ng ph\u00e1p th\u1eed v\u00e0 ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m, ch\u1ec9 ti\u00eau k\u1ef9 thu\u1eadt k\u1ef9 thu\u1eadt x\u00e2y d\u1ef1ng, \u0111\u1ec3 th\u1ed1ng nh\u1ea5t c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u00e0 ch\u1ec9 ti\u00eau ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a s\u1ea3n ph\u1ea9m v\u00e0 nh\u1eadn ra kh\u1ea3 n\u0103ng thay th\u1ebf cho nhau c\u1ee7a s\u1ea3n ph\u1ea9m. \u0110i\u1ec1u n\u00e0y cho th\u1ea5y s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a \u0111\u01b0\u1eddng \u1ed1ng c\u1ea5p n\u01b0\u1edbc pvc \u0111\u00e3 b\u01b0\u1edbc v\u00e0o giai \u0111o\u1ea1n ch\u00edn mu\u1ed3i, ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng c\u00f4ng tr\u00ecnh \u0111\u01b0\u1ee3c \u0111\u1ea3m b\u1ea3o n\u00ean \u0111\u1ea3m b\u1ea3o \u0111\u01b0\u1ee3c hi\u1ec7u qu\u1ea3 s\u1eed d\u1ee5ng c\u1ee7a \u0111\u01b0\u1eddng \u1ed1ng c\u1ea5p n\u01b0\u1edbc pvc.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">Ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf v\u1ec1 \u1ed1ng PE \u0111\u1ec3 c\u1ea5p n\u01b0\u1edbc (ISO4427) m\u00e3i \u0111\u1ebfn n\u0103m 1996 m\u1edbi \u0111\u01b0\u1ee3c ch\u00ednh th\u1ee9c ban h\u00e0nh, nh\u01b0ng c\u00e1c ti\u00eau chu\u1ea9n v\u00e0 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt k\u1ef9 thu\u1eadt c\u1ee7a ph\u1ee5 ki\u1ec7n \u1ed1ng pe v\u00e0 <span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/dpm360.com\/san-pham\/ong-teflon\/\">\u1ed1ng teflon<\/a><\/span> v\u1eabn \u0111ang \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n. \u0110i\u1ec1u n\u00e0y cho th\u1ea5y ch\u1ea5t l\u01b0\u1ee3ng \u1ed1ng pe trong n\u01b0\u1edbc kh\u00f4ng \u1ed5n \u0111\u1ecbnh, s\u1ef1 \u0103n kh\u1edbp c\u1ee7a \u1ed1ng v\u00e0 ph\u1ee5 ki\u1ec7n kh\u00f4ng ho\u00e0n h\u1ea3o n\u00ean kh\u00f4ng th\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng trong s\u1ea3n xu\u1ea5t v\u00e0 thi c\u00f4ng.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Quan_diem_ve_ong_nhua_PVC\"><\/span><span style=\"color: #ff0000; font-size: 12pt;\"><em><strong>Quan \u0111i\u1ec3m v\u1ec1 \u1ed1ng nh\u1ef1a PVC<\/strong><\/em><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-size: 12pt;\">N\u0103ng l\u1ef1c s\u1ea3n xu\u1ea5t \u1ed1ng nh\u1ef1a c\u1ee7a Vi\u1ec7t Nam \u0111\u1ea1t 3 tri\u1ec7u t\u1ea5n, ch\u1ee7 y\u1ebfu l\u00e0 \u1ed1ng PVC, PE v\u00e0 PP-R. Trong \u0111\u00f3, \u1ed1ng nh\u1ef1a PVC l\u00e0 lo\u1ea1i \u1ed1ng nh\u1ef1a chi\u1ebfm th\u1ecb ph\u1ea7n l\u1edbn nh\u1ea5t, chi\u1ebfm g\u1ea7n 70% c\u00e1c lo\u1ea1i \u1ed1ng nh\u1ef1a. C\u00f3 h\u01a1n 1600 d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t \u1ed1ng PVC. N\u0103ng l\u1ef1c s\u1ea3n xu\u1ea5t h\u00e0ng n\u0103m h\u01a1n 2,5 tri\u1ec7u t\u1ea5n, n\u0103m 2003, s\u1ea3n l\u01b0\u1ee3ng \u1ed1ng nh\u1ef1a PVC (ph\u1ee5 ki\u1ec7n \u0111\u01b0\u1eddng \u1ed1ng) h\u00e0ng n\u0103m \u0111\u1ea1t h\u01a1n 1,2 tri\u1ec7u t\u1ea5n. Trong ng\u00e0nh \u1ed1ng nh\u1ef1a, t\u1ef7 tr\u1ecdng c\u1ee7a PVC l\u00e0 70%, PE chi\u1ebfm 25%, PP-R chi\u1ebfm 4% v\u00e0 c\u00e1c lo\u1ea1i kh\u00e1c chi\u1ebfm 1%.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">M\u1eb7c d\u00f9 s\u1ef1 ph\u00e1t tri\u1ec3n nhanh ch\u00f3ng c\u1ee7a \u1ed1ng nh\u1ef1a PVC \u0111\u00e3 thu h\u00fat nhi\u1ec1u doanh nghi\u1ec7p \u0111\u1ea7u t\u01b0 v\u00e0o ng\u00e0nh n\u00e0y, nh\u01b0ng trong s\u1ed1 nhi\u1ec1u nh\u00e0 s\u1ea3n xu\u1ea5t trong n\u01b0\u1edbc (h\u01a1n 2.000), ch\u1ec9 c\u00f3 h\u01a1n 70 doanh nghi\u1ec7p c\u00f3 c\u00f4ng su\u1ea5t s\u1ea3n xu\u1ea5t h\u00e0ng n\u0103m 10.000 t\u1ea5n, c\u00f2n nh\u1eefng doanh nghi\u1ec7p c\u00f3 s\u1ea3n l\u01b0\u1ee3ng h\u00e0ng n\u0103m h\u01a1n 30.000 t\u1ea5n l\u00e0 h\u01a1n 20 v\u00e0 s\u1edf h\u1eefu 60% s\u1ea3n l\u01b0\u1ee3ng c\u1ee7a ng\u00e0nh.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">Nh\u00ecn chung, c\u00f3 nhi\u1ec1u doanh nghi\u1ec7p \u0111\u01b0\u1eddng \u1ed1ng \u0111\u01b0\u1eddng k\u00ednh nh\u1ecf v\u00e0 gi\u00e1 tr\u1ecb gia t\u0103ng th\u1ea5p \u1edf Vi\u1ec7t Nam v\u00e0 r\u1ea5t \u00edt doanh nghi\u1ec7p \u0111\u01b0\u1eddng k\u00ednh l\u1edbn v\u00e0 c\u00f4ng ngh\u1ec7 cao. S\u1ef1 ph\u00e2n b\u1ed1 c\u00f4ng su\u1ea5t x\u1eed l\u00fd c\u1ee7a \u1ed1ng PVC v\u1ec1 m\u1eb7t k\u1ebft c\u1ea5u ch\u01b0a h\u1ee3p l\u00fd. N\u0103ng l\u1ef1c gia c\u00f4ng c\u1ee7a c\u00e1c doanh nghi\u1ec7p v\u1eeba v\u00e0 nh\u1ecf t\u1eadp trung ch\u1ee7 y\u1ebfu \u1edf \u1ed1ng tho\u00e1t n\u01b0\u1edbc PVC, trong khi m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn c\u00e1c lo\u1ea1i \u1ed1ng kh\u00f4ng \u0111\u1ea1t ti\u00eau chu\u1ea9n v\u1eabn tr\u00e0n ng\u1eadp th\u1ecb tr\u01b0\u1eddng, khi\u1ebfn th\u1ecb tr\u01b0\u1eddng m\u1ea5t tr\u1eadt t\u1ef1 v\u00e0 c\u1ea1nh tranh h\u1ed7n lo\u1ea1n.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">Trong l\u0129nh v\u1ef1c m\u1ed9t s\u1ed1 lo\u1ea1i \u1ed1ng nh\u1ef1a PVC truy\u1ec1n th\u1ed1ng, \u0111\u00e0 thay th\u1ebf c\u1ee7a PE v\u00e0 PP-R l\u00e0 \u0111i\u1ec1u hi\u1ec3n nhi\u00ean. Vi\u1ec7c c\u00e1c gi\u1ed1ng kh\u00e1c l\u1ea5n chi\u1ebfm th\u1ecb ph\u1ea7n v\u00e0 vi\u1ec7c c\u1ea5m ch\u1ea5t \u1ed5n \u0111\u1ecbnh ch\u1ee9a ch\u00ec trong \u1ed1ng PVC ti\u1ebfp x\u00fac v\u1edbi th\u1ef1c ph\u1ea9m s\u1ebd c\u00f3 t\u00e1c \u0111\u1ed9ng ti\u00eau c\u1ef1c \u0111\u1ebfn s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a \u1ed1ng PVC. Trong \u0111\u00f3, nguy\u00ean li\u1ec7u th\u00f4 PVC n\u00f3i chung chi\u1ebfm 70 &#8211; 80% t\u1ed5ng gi\u00e1 th\u00e0nh, gi\u00e1 nguy\u00ean li\u1ec7u ch\u00ednh <span style=\"color: #ff6600;\"><a style=\"color: #ff6600;\" href=\"https:\/\/dpm360.com\/san-pham\/mang-nhua-pvc\/\">m\u00e0ng nh\u1ef1a PVC<\/a><\/span> thay \u0111\u1ed5i \u1ea3nh h\u01b0\u1edfng kh\u00f4ng nh\u1ecf \u0111\u1ebfn doanh nghi\u1ec7p, sau n\u0103m 1995, n\u0103ng l\u1ef1c s\u1ea3n xu\u1ea5t m\u1edf r\u1ed9ng, th\u1ecb tr\u01b0\u1eddng c\u1ea1nh tranh gay g\u1eaft, gi\u00e1 c\u1ea3 gi\u1ea3m, PVC gi\u00e1 nguy\u00ean li\u1ec7u th\u00f4 t\u0103ng v\u00e0 l\u1ee3i nhu\u1eadn c\u1ee7a ng\u00e0nh gi\u1ea3m. Nhi\u1ec1u doanh nghi\u1ec7p v\u1eeba v\u00e0 nh\u1ecf c\u1eaft x\u00e9n, s\u1ea3n ph\u1ea9m k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng, ch\u1eadt v\u1eadt t\u1ed3n t\u1ea1i. B\u1ea3n th\u00e2n \u1ed1ng nh\u1ef1a PVC g\u00e2y l\u00e3ng ph\u00ed r\u1ea5t nhi\u1ec1u kh\u00f4ng gian v\u1eadn chuy\u1ec3n v\u00e0 ch\u1ea5t h\u00e0ng v\u00e0 s\u1ef1 ra \u0111\u1eddi c\u1ee7a c\u00e1c quy \u0111\u1ecbnh giao th\u00f4ng \u0111\u01b0\u1eddng b\u1ed9 m\u1edbi c\u00e0ng l\u00e0m t\u0103ng chi ph\u00ed v\u1eadn chuy\u1ec3n.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Ong_thoat_nuoc_PVC\"><\/span><span style=\"color: #ff0000; font-size: 12pt;\"><em><strong>\u1ed0ng tho\u00e1t n\u01b0\u1edbc PVC<\/strong><\/em><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-size: 12pt;\">C\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt th\u00f4ng th\u01b0\u1eddng c\u1ee7a \u1ed1ng tho\u00e1t n\u01b0\u1edbc PVC th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 sau: \u0110\u01b0\u1eddng k\u00ednh ngo\u00e0i danh ngh\u0129a l\u00e0: 32mm, 40mm, 50mm, 75mm, 90mm, 110mm, 125mm, 160mm, 180, 200mm, 250mm, 315mm, 400mm, 500mm, 630mm&#8230;PVC-U chi\u1ec1u d\u00e0i c\u1ee7a \u1ed1ng th\u01b0\u1eddng l\u00e0 4m ho\u1eb7c 6m v\u00e0 c\u00e1c chi\u1ec1u d\u00e0i kh\u00e1c \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1eb1ng c\u00e1ch th\u01b0\u01a1ng l\u01b0\u1ee3ng gi\u1eefa nh\u00e0 cung c\u1ea5p v\u00e0 ng\u01b0\u1eddi mua.<\/span><\/p>\n<table style=\"border-collapse: collapse; width: 100%; height: 287px;\">\n<tbody>\n<tr style=\"height: 26px;\">\n<td style=\"width: 50%; height: 26px;\"><span style=\"font-size: 12pt;\">S\u1ee9c m\u1ea1nh n\u0103ng su\u1ea5t b\u1ec1n k\u00e9o<\/span><\/td>\n<td style=\"width: 50%; height: 26px;\"><span style=\"font-size: 12pt;\">y\u00eau c\u1ea7u ti\u00eau chu\u1ea9n<\/span><\/td>\n<\/tr>\n<tr style=\"height: 26px;\">\n<td style=\"width: 50%; height: 26px;\"><span style=\"font-size: 12pt;\">Nhi\u1ec7t \u0111\u1ed9 l\u00e0m m\u1ec1m Vicat<\/span><\/td>\n<td style=\"width: 50%; height: 26px;\"><span style=\"font-size: 12pt;\">\u226540MPa<\/span><\/td>\n<\/tr>\n<tr style=\"height: 26px;\">\n<td style=\"width: 50%; height: 26px;\"><span style=\"font-size: 12pt;\">Ki\u1ec3m tra b\u1eb1ng ph\u1eb3ng<\/span><\/td>\n<td style=\"width: 50%; height: 26px;\"><span style=\"font-size: 12pt;\">\u226590\u2103<\/span><\/td>\n<\/tr>\n<tr style=\"height: 26px;\">\n<td style=\"width: 50%; height: 26px;\"><span style=\"font-size: 12pt;\">Ki\u1ec3m tra t\u00e1c \u0111\u1ed9ng gi\u1ea3m tr\u1ecdng l\u01b0\u1ee3ng<\/span><\/td>\n<td style=\"width: 50%; height: 26px;\"><span style=\"font-size: 12pt;\">Kh\u00f4ng b\u1ecb v\u1ee1<\/span><\/td>\n<\/tr>\n<tr style=\"height: 26px;\">\n<td style=\"width: 50%; height: 26px;\"><span style=\"font-size: 12pt;\">Ngo\u1ea1i th\u1ea5t<\/span><\/td>\n<td style=\"width: 50%; height: 26px;\"><span style=\"font-size: 12pt;\">\u226410%<\/span><\/td>\n<\/tr>\n<tr style=\"height: 79px;\">\n<td style=\"width: 50%; height: 79px;\"><span style=\"font-size: 12pt;\">K\u00edch th\u01b0\u1edbc ti\u00eau chu\u1ea9n<\/span><\/td>\n<td style=\"width: 50%; height: 79px;\"><span style=\"font-size: 12pt;\">Cho ph\u00e9p c\u00e1c b\u1ee9c t\u01b0\u1eddng b\u00ean trong v\u00e0 b\u00ean ngo\u00e0i nh\u1eb5n v\u00e0 ph\u1eb3ng, kh\u00f4ng c\u00f3 bong b\u00f3ng, v\u1ebft n\u1ee9t v\u00e0 v\u1ebft h\u1eb1n r\u00f5 r\u00e0ng, ch\u1ed7 l\u00f5m, m\u00e0u kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u v\u00e0 c\u00e1c \u0111\u01b0\u1eddng \u0111\u1ed5i m\u00e0u ph\u00e2n h\u1ee7y \u0111\u01b0\u1ee3c cho ph\u00e9p<\/span><\/td>\n<\/tr>\n<tr style=\"height: 26px;\">\n<td style=\"width: 50%; height: 26px;\"><span style=\"font-size: 12pt;\">\u0110\u01b0\u1eddng k\u00ednh ngo\u00e0i \u0111\u1ed9 d\u00e0y th\u00e0nh<\/span><\/td>\n<td style=\"width: 50%; height: 26px;\"><span style=\"font-size: 12pt;\">Tu\u00e2n th\u1ee7 GB \/ T5836.1<\/span><\/td>\n<\/tr>\n<tr style=\"height: 26px;\">\n<td style=\"width: 50%; height: 26px;\"><span style=\"font-size: 12pt;\">\u0110\u1ed9 l\u1ec7ch \u0111\u1ed9 d\u00e0y t\u01b0\u1eddng c\u1ee7a c\u00f9ng m\u1ed9t ph\u1ea7n<\/span><\/td>\n<td style=\"width: 50%; height: 26px;\"><span style=\"font-size: 12pt;\">\u226414%<\/span><\/td>\n<\/tr>\n<tr style=\"height: 26px;\">\n<td style=\"width: 50%; height: 26px;\"><span style=\"font-size: 12pt;\">R\u00fat l\u1ea1i theo chi\u1ec1u d\u1ecdc<\/span><\/td>\n<td style=\"width: 50%; height: 26px;\"><span style=\"font-size: 12pt;\">\u22645%<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4><span class=\"ez-toc-section\" id=\"Uu_diem_cua_san_pham_ong_thoat_nuoc_PVC\"><\/span><span style=\"color: #003366; font-size: 12pt;\"><em><strong>\u01afu \u0111i\u1ec3m c\u1ee7a s\u1ea3n ph\u1ea9m \u1ed1ng tho\u00e1t n\u01b0\u1edbc PVC<\/strong><\/em><\/span><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li><span style=\"font-size: 12pt;\">1. \u0110\u1ed9 c\u1ee9ng b\u1ec1 m\u1eb7t v\u00e0 \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a \u1ed1ng l\u00e0 tuy\u1ec7t v\u1eddi, v\u00e0 h\u1ec7 s\u1ed1 an to\u00e0n c\u1ee7a \u1ed1ng cao.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">2. Ch\u1ed1ng l\u00e3o h\u00f3a t\u1ed1t, tu\u1ed5i th\u1ecd b\u00ecnh th\u01b0\u1eddng c\u00f3 th\u1ec3 \u0111\u1ea1t h\u01a1n 50 n\u0103m.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">3. \u0110\u01b0\u1eddng \u1ed1ng c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n tuy\u1ec7t v\u1eddi \u0111\u1ed1i v\u1edbi axit, ki\u1ec1m v\u00e0 mu\u1ed1i v\u00f4 c\u01a1, th\u00edch h\u1ee3p cho vi\u1ec7c x\u1ea3 v\u00e0 v\u1eadn chuy\u1ec3n n\u01b0\u1edbc th\u1ea3i c\u00f4ng nghi\u1ec7p.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">4. H\u1ec7 s\u1ed1 ma s\u00e1t c\u1ee7a \u0111\u01b0\u1eddng \u1ed1ng nh\u1ecf, d\u00f2ng n\u01b0\u1edbc th\u00f4ng su\u1ed1t, kh\u00f4ng d\u1ec5 b\u1ecb t\u1eafc ngh\u1ebdn, kh\u1ed1i l\u01b0\u1ee3ng c\u00f4ng vi\u1ec7c b\u1ea3o d\u01b0\u1ee1ng \u00edt.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">5. V\u1eadt li\u1ec7u c\u00f3 ch\u1ec9 s\u1ed1 oxy cao v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng t\u1ef1 ch\u1eefa ch\u00e1y.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">6. H\u1ec7 s\u1ed1 gi\u00e3n n\u1edf tuy\u1ebfn t\u00ednh c\u1ee7a \u0111\u01b0\u1eddng \u1ed1ng nh\u1ecf, l\u00e0 0,07mm \/ \u2103, v\u00e0 l\u01b0\u1ee3ng bi\u1ebfn d\u1ea1ng nh\u1ecf do \u1ea3nh h\u01b0\u1edfng c\u1ee7a nhi\u1ec7t \u0111\u1ed9. H\u1ec7 s\u1ed1 d\u1eabn nhi\u1ec7t v\u00e0 m\u00f4 \u0111un \u0111\u00e0n h\u1ed3i nh\u1ecf, v\u00e0 hi\u1ec7u su\u1ea5t ch\u1ed1ng \u0111\u00f3ng b\u0103ng tuy\u1ec7t v\u1eddi so v\u1edbi \u1ed1ng tho\u00e1t n\u01b0\u1edbc b\u1eb1ng gang.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">7. C\u00e1c \u1ed1ng v\u00e0 ph\u1ee5 ki\u1ec7n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i b\u1eb1ng li\u00ean k\u1ebft, ph\u01b0\u01a1ng ph\u00e1p thi c\u00f4ng \u0111\u01a1n gi\u1ea3n, v\u1eadn h\u00e0nh thu\u1eadn ti\u1ec7n v\u00e0 hi\u1ec7u qu\u1ea3 l\u1eafp \u0111\u1eb7t cao.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">8. \u0110\u1ed9 k\u00edn n\u01b0\u1edbc t\u1ed1t: Vi\u1ec7c l\u1eafp \u0111\u1eb7t \u1ed1ng PVC-U c\u00f3 \u0111\u1ed9 k\u00edn n\u01b0\u1edbc t\u1ed1t d\u00f9 \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i b\u1eb1ng li\u00ean k\u1ebft hay v\u00f2ng cao su.<\/span><\/li>\n<\/ul>\n<h4><span class=\"ez-toc-section\" id=\"Huong_dan_lap_dat_ong_nhua_PVC\"><\/span><span style=\"color: #003366; font-size: 12pt;\"><em><strong>H\u01b0\u1edbng d\u1eabn l\u1eafp \u0111\u1eb7t \u1ed1ng nh\u1ef1a PVC<\/strong><\/em><\/span><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-size: 12pt;\"><em><strong>1. \u0110\u01b0\u1eddng \u1ed1ng v\u00e0 r\u00e3nh c\u01b0a:<\/strong><\/em><\/span><\/p>\n<p><span style=\"font-size: 12pt;\">Chi\u1ec1u d\u00e0i c\u1ee7a \u1ed1ng c\u01b0a \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh t\u1eebng l\u1edbp theo s\u1ed1 \u0111o th\u1ef1c t\u1ebf v\u00e0 k\u1ebft h\u1ee3p v\u1edbi k\u00edch th\u01b0\u1edbc c\u1ee7a t\u1eebng \u1ed1ng n\u1ed1i. D\u1ee5ng c\u1ee5 c\u01b0a \u1ed1ng n\u00ean s\u1eed d\u1ee5ng c\u01b0a r\u0103ng m\u1ecbn, m\u00e1y c\u1eaft v\u00e0 m\u00e1y c\u1eaft \u1ed1ng. V\u1ebft g\u00e3y ph\u1ea3i ph\u1eb3ng v\u00e0 kh\u00f4ng c\u00f3 bi\u1ebfn d\u1ea1ng \u1edf m\u1eb7t c\u1eaft. Ph\u1ea7n c\u1ee7a \u1ed5 c\u1eafm \u0111\u01b0\u1ee3c li\u00ean k\u1ebft c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c d\u0169a th\u00e0nh r\u00e3nh 15o ~ 30o b\u1eb1ng gi\u0169a t\u1ea5m trung b\u00ecnh. Chi\u1ec1u d\u00e0i c\u1ee7a r\u00e3nh th\u01b0\u1eddng kh\u00f4ng nh\u1ecf h\u01a1n 3mm v\u00e0 \u0111\u1ed9 d\u00e0y c\u1ee7a r\u00e3nh ph\u1ea3i b\u1eb1ng 1\/3 ~ 1\/2 \u0111\u1ed9 d\u00e0y c\u1ee7a th\u00e0nh \u1ed1ng. Sau khi ho\u00e0n t\u1ea5t vi\u1ec7c v\u00e1t m\u00e9p, c\u00e1c m\u1ea3nh v\u1ee5n c\u1ea7n \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\"><em><strong>2. B\u1ea3o v\u1ec7 giao di\u1ec7n \u1ed5 c\u1eafm:<\/strong><\/em><\/span><\/p>\n<p><span style=\"font-size: 12pt;\">Sau khi giao di\u1ec7n \u1ed5 c\u1eafm \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i, ch\u1ea5t k\u1ebft d\u00ednh \u00e9p \u0111\u00f9n ph\u1ea3i \u0111\u01b0\u1ee3c lau s\u1ea1ch b\u1eb1ng g\u1ea1c b\u00f4ng ho\u1eb7c v\u1ea3i kh\u00f4 nh\u00fang v\u00e0o m\u1ed9t \u00edt axeton ho\u1eb7c ch\u1ea5t l\u00e0m s\u1ea1ch kh\u00e1c. T\u00f9y thu\u1ed9c v\u00e0o \u0111\u1eb7c t\u00ednh c\u1ee7a ch\u1ea5t k\u1ebft d\u00ednh v\u00e0 \u0111i\u1ec1u ki\u1ec7n kh\u00ed h\u1eadu, h\u00e3y \u0111\u1ee3i cho \u0111\u1ebfn khi m\u1ed1i n\u1ed1i \u0111\u01b0\u1ee3c \u0111\u00f3ng r\u1eafn. Th\u1eddi gian b\u1ea3o d\u01b0\u1ee1ng n\u00ean \u0111\u01b0\u1ee3c k\u00e9o d\u00e0i m\u1ed9t c\u00e1ch th\u00edch h\u1ee3p trong qu\u00e1 tr\u00ecnh thi c\u00f4ng m\u00f9a \u0111\u00f4ng.<\/span><\/p>\n<h4><span class=\"ez-toc-section\" id=\"Phuong_phap_thiet_ke_cong_thuc_cua_ong_nhua_PVC\"><\/span><span style=\"color: #003366; font-size: 12pt;\"><em><strong>Ph\u01b0\u01a1ng ph\u00e1p thi\u1ebft k\u1ebf c\u00f4ng th\u1ee9c c\u1ee7a \u1ed1ng nh\u1ef1a PVC<\/strong><\/em><\/span><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-size: 12pt;\">1. C\u00f4ng ngh\u1ec7 v\u00e0 nguy\u00ean l\u00fd thi\u1ebft k\u1ebf \u1ed1ng nh\u1ef1a PVC<\/span><\/p>\n<ul>\n<li><span style=\"font-size: 12pt;\">Nh\u1ef1a n\u00ean l\u00e0 nh\u1ef1a PVC-SC5 ho\u1eb7c nh\u1ef1a PVC-SG4, t\u1ee9c l\u00e0 nh\u1ef1a polyvinyl clorua v\u1edbi m\u1ee9c \u0111\u1ed9 tr\u00f9ng h\u1ee3p 1200-1000.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">Ph\u1ea3i b\u1ed5 sung h\u1ec7 th\u1ed1ng \u1ed5n \u0111\u1ecbnh nhi\u1ec7t. L\u1ef1a ch\u1ecdn theo y\u00eau c\u1ea7u th\u1ef1c t\u1ebf s\u1ea3n xu\u1ea5t, ch\u00fa \u00fd \u0111\u1ebfn t\u00e1c d\u1ee5ng hi\u1ec7p \u0111\u1ed3ng v\u00e0 t\u00e1c d\u1ee5ng \u0111\u1ed1i \u0111\u1ea7u gi\u1eefa c\u00e1c b\u1ed9 \u1ed5n nhi\u1ec7t.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">C\u00f4ng c\u1ee5 \u0111i\u1ec1u ch\u1ec9nh t\u00e1c \u0111\u1ed9ng ph\u1ea3i \u0111\u01b0\u1ee3c th\u00eam v\u00e0o. C\u00f3 s\u1eb5n c\u00e1c c\u00f4ng c\u1ee5 \u0111i\u1ec1u ch\u1ec9nh t\u00e1c \u0111\u1ed9ng CPE v\u00e0 ACR. Theo c\u00e1c th\u00e0nh ph\u1ea7n kh\u00e1c trong c\u00f4ng th\u1ee9c v\u00e0 kh\u1ea3 n\u0103ng h\u00f3a d\u1ebbo c\u1ee7a m\u00e1y \u0111\u00f9n, l\u01b0\u1ee3ng b\u1ed5 sung l\u00e0 8 \u0111\u1ebfn 12 ph\u1ea7n. Gi\u00e1 c\u1ee7a CPE th\u1ea5p, ngu\u1ed3n r\u1ed9ng, kh\u1ea3 n\u0103ng ch\u1ed1ng l\u00e3o h\u00f3a c\u1ee7a ACR cao v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a fillet h\u00e0n cao.<\/span><\/li>\n<\/ul>\n<h4><span class=\"ez-toc-section\" id=\"Yeu_cau_ve_xay_dung_va_chon_cat_ong_thoat_nuoc_PVC\"><\/span><span style=\"color: #003366; font-size: 12pt;\"><em><strong>Y\u00eau c\u1ea7u v\u1ec1 x\u00e2y d\u1ef1ng v\u00e0 ch\u00f4n c\u1ea5t \u1ed1ng tho\u00e1t n\u01b0\u1edbc PVC<\/strong><\/em><\/span><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li><span style=\"font-size: 12pt;\">1. Tr\u01b0\u1edbc khi thi c\u00f4ng l\u1edbp ph\u1ee5, \u0111\u01b0\u1eddng \u1ed1ng tho\u00e1t n\u01b0\u1edbc ngang \u0111ai gi\u1eefa ph\u1ea3i \u0111\u01b0\u1ee3c ch\u00f4n l\u1ea5p.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">2. R\u00e3nh: t\u1ea1o r\u00e3nh nh\u00e2n t\u1ea1o theo v\u1ecb tr\u00ed c\u1ecdc s\u1ed1 thi\u1ebft k\u1ebf do c\u00e1n b\u1ed9 thi\u1ebft k\u1ebf v\u00e0 kh\u1ea3o s\u00e1t b\u1ea3n v\u1ebd \u0111o. Chi\u1ec1u r\u1ed9ng r\u00e3nh \u1ed1ng PE r\u1ed9ng h\u01a1n \u0111\u01b0\u1eddng k\u00ednh \u1ed1ng 1 ~ 2 cm, chi\u1ec1u s\u00e2u r\u00e3nh d\u01b0\u1edbi l\u00e0 23 cm b\u1ec1 m\u1eb7t n\u1ec1n \u0111\u01b0\u1eddng. Chi\u1ec1u d\u00e0i r\u00e3nh Y\u00eau c\u1ea7u m\u1eb7t trong c\u00e1ch tim \u0111\u01b0\u1eddng 10 cm, m\u1eb7t ngo\u00e0i k\u00e9o d\u00e0i theo m\u00e1i taluy b\u00ean, m\u1edf r\u1ed9ng \u0111o\u1ea1n \u0111\u00e0o \u0111\u1ebfn t\u01b0\u1eddng trong c\u1ee7a r\u00e3nh ph\u1ee5. \u0110\u1ed9 d\u1ed1c c\u1ee7a r\u00e3nh ph\u1ea3i theo \u0111\u1ed9 d\u1ed1c tho\u00e1t n\u01b0\u1edbc ngang c\u1ee7a \u0111\u01b0\u1eddng, kh\u00f4ng \u0111\u01b0\u1ee3c d\u1ed1c ng\u01b0\u1ee3c \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o n\u01b0\u1edbc trong \u0111\u01b0\u1eddng tho\u00e1t ra b\u00ean ngo\u00e0i l\u1edbp ph\u1ee5, k\u00e9o d\u00e2y \u0111\u1ea3m b\u1ea3o th\u1eb3ng.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">3. Ti\u1ebfp qu\u1ea3n: Hai giao di\u1ec7n c\u1ee7a m\u1ed7i \u1ed1ng PVC ph\u1ea3i \u0111\u01b0\u1ee3c si\u1ebft ch\u1eb7t b\u1eb1ng v\u00f2ng cao su \u0111\u1ec3 tr\u00e1nh r\u00f2 r\u1ec9 n\u01b0\u1edbc.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">4. \u0110\u01b0\u1eddng \u1ed1ng xu\u1ed1ng: Sau khi l\u00e0m s\u1ea1ch \u0111\u00e1y r\u00e3nh v\u00e0 n\u1ed1i \u1ed1ng theo chi\u1ec1u d\u00e0i c\u1ee7a r\u00e3nh, \u0111\u1eb7t \u0111\u01b0\u1eddng \u1ed1ng v\u00e0o r\u00e3nh, bu\u1ed9c ch\u1eb7t mi\u1ec7ng b\u1eb1ng bao t\u1ea3i \u1edf cu\u1ed1i \u0111ai chia trung t\u00e2m \u0111\u1ec3 tr\u00e1nh c\u00e1c m\u1ea3nh v\u1ee5n l\u1ecdt v\u00e0o. \u0111\u01b0\u1eddng \u1ed1ng v\u00e0 g\u00e2y t\u1eafc ngh\u1ebdn.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">5. Ho\u00e0n th\u1ed5: Ch\u1ecdn lo\u1ea1i \u0111\u1ea5t m\u1ecbn \u0111\u00e0o \u0111\u1eafp ho\u1eb7c d\u00f9ng \u0111\u1ea5t c\u00e1t \u0111\u1ec3 san l\u1ea5p, ph\u1ea3i lo\u1ea1i b\u1ecf \u0111\u00e1 l\u1edbn, sau khi ho\u00e0n th\u1ed5 ph\u1ea3i lu l\u00e8n th\u1ee7 c\u00f4ng, m\u1eb7t tr\u00ean c\u1ee7a l\u1edbp \u0111\u1ea5t \u0111\u1eafp kh\u00f4ng \u0111\u01b0\u1ee3c cao h\u01a1n m\u1eb7t \u0111\u01b0\u1eddng. lu\u1ed1ng, v\u00e0 ph\u1ea3i l\u00e0 1 ~ 2 cm l\u00e0 th\u00edch h\u1ee3p, n\u1ebfu kh\u00f4ng n\u00f3 s\u1ebd b\u1ecb xe \u0111\u00e8 l\u00ean v\u00e0 kh\u00f4ng th\u1ec3 tho\u00e1t ra kh\u1ecfi m\u1eb7t n\u01b0\u1edbc.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">6. V\u1ec7 sinh: Ph\u1ea7n \u0111\u1ea5t c\u00f2n l\u1ea1i sau khi ho\u00e0n th\u1ed5 c\u1ea7n \u0111\u01b0\u1ee3c v\u1eadn chuy\u1ec3n ra ngo\u00e0i ngay, v\u1ec7 sinh m\u1eb7t \u0111\u01b0\u1eddng, ph\u1ea7n \u0111\u1ea5t c\u00f2n l\u1ea1i c\u1ee7a \u1ed1ng PE n\u00ean b\u1ed1c d\u1ee1 \u1edf nh\u1eefng n\u01a1i quy \u0111\u1ecbnh nh\u01b0 b\u00e3i m\u01b0\u1ee3n, kh\u00f4ng n\u00ean t\u1ef1 \u00fd b\u1ed1c d\u1ee1 tr\u00ean \u0111\u01b0\u1eddng.\u00a0<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">7. Sau khi thi c\u00f4ng xong ph\u1ea7n \u0111\u1ebf ph\u1ee5 c\u1ee7a \u0111o\u1ea1n \u0111\u1eafp, tr\u00ean d\u1ed1c ch\u1ea3i, t\u1ea1i c\u1eeda tho\u00e1t n\u01b0\u1edbc theo k\u00edch th\u01b0\u1edbc thi\u1ebft k\u1ebf, \u0111\u00fac t\u1ea5m \u0111\u1ebf tho\u00e1t n\u01b0\u1edbc h\u00ecnh thang, \u0111\u00f3ng \u0111inh v\u00e0o 3 thanh tre d\u00e0i 25 cm cho \u1ed5n \u0111\u1ecbnh.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">8. Ch\u00fa \u00fd \u0111\u1ea3m b\u1ea3o c\u00f3 \u0111\u01b0\u1eddng \u1ed1ng tho\u00e1t n\u01b0\u1edbc t\u1ea1i \u0111i\u1ec3m th\u1ea5p nh\u1ea5t c\u1ee7a \u0111\u01b0\u1eddng cong \u0111\u1ee9ng c\u1ee7a tuy\u1ebfn \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o m\u1eb7t \u0111\u01b0\u1eddng kh\u00f4ng b\u1ecb \u0111\u1ecdng n\u01b0\u1edbc, ph\u1ea3i ch\u00f4n \u0111\u01b0\u1eddng \u1ed1ng si\u00eau cao \u00e1p trong c\u1ef1c \u0111\u00e3 l\u1ea5p \u0111\u1ea7y. \u0110o\u1ea1n \u0111\u01b0\u1eddng cao v\u00e0 sau khi ki\u1ec3m tra n\u1ec1n \u0111\u01b0\u1eddng, ti\u1ebfn h\u00e0nh \u0111o \u0111\u1ea1c v\u00e0 c\u1eafm c\u1ecdc k\u1ecbp th\u1eddi theo v\u1ecb tr\u00ed \u0111\u00e3 thi\u1ebft k\u1ebf trong b\u1ea3n v\u1ebd. X\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed \u0111\u01b0\u1eddng \u1ed1ng v\u00e0 gi\u1ebfng, ph\u1ed1i h\u1ee3p th\u1ee7 c\u00f4ng v\u1edbi m\u00e1y x\u00fac nh\u1ecf \u0111\u1ec3 l\u00e0m r\u00e3nh, \u0111\u1ed9 d\u1ed1c \u0111\u00e1y r\u00e3nh \u0111\u1ea1t y\u00eau c\u1ea7u thi\u1ebft k\u1ebf \u0111\u1ea3m b\u1ea3o tho\u00e1t n\u01b0\u1edbc thu\u1eadn l\u1ee3i, b\u1ec1 r\u1ed9ng r\u00e3nh kh\u00f4ng nh\u1ecf h\u01a1n 47cm, lo\u1ea1i b\u1ecf b\u00e3 th\u1ea3i \u0111\u00e0o k\u1ecbp th\u1eddi, \u0111\u1ed1i v\u1edbi ti\u1ebft di\u1ec7n vu\u00f4ng, \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 d\u00e0y c\u1ee7a \u0111\u1ea5t. B\u1ecbt \u0111\u1ea7u \u1ed1ng v\u00e0 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u1ed1ng PVC kh\u00f4ng b\u1ecb d\u1eadp, h\u1ea1 r\u00e3nh \u0111\u00e1y 20 cm, \u1edf ph\u1ea7n h\u1ea1 t\u1ea7ng si\u00eau cao c\u1ee7a ph\u1ea7n \u0111\u00e0o \u0111\u00e1 ti\u1ebfn h\u00e0nh thi c\u00f4ng \u0111\u00e0o ph\u00eda sau sau khi h\u1ea1 r\u00e3nh. c\u01a1 s\u1edf \u0111\u01b0\u1ee3c ho\u00e0n th\u00e0nh.<\/span><\/li>\n<\/ul>\n<h4><span class=\"ez-toc-section\" id=\"Ung_dung_ong_nhua_thoat_nuoc\"><\/span><span style=\"color: #003366; font-size: 12pt;\"><em><strong>\u1ee8ng d\u1ee5ng \u1ed1ng nh\u1ef1a tho\u00e1t n\u01b0\u1edbc<\/strong><\/em><\/span><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-size: 12pt;\">\u1ed0ng tho\u00e1t n\u01b0\u1edbc PVC ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p, v\u1eadt li\u1ec7u ch\u00ednh c\u1ee7a \u1ed1ng tho\u00e1t n\u01b0\u1edbc PVC l\u00e0 polyvinyl clorua Polyvinyl clorua c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t v\u00e0 ch\u1ed1ng \u0103n m\u00f2n r\u1ea5t m\u1ea1nh, \u0111\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao polyvinyl clorua \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">V\u1edbi m\u1ee5c \u0111\u00edch l\u00e0m \u0111\u1eb9p h\u01a1n cho m\u1eb7t ti\u1ec1n c\u1ee7a c\u00f4ng tr\u00ecnh, h\u1ec7 th\u1ed1ng tho\u00e1t n\u01b0\u1edbc m\u01b0a trong nh\u00e0 ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i h\u01a1n, \u0111\u01b0\u1eddng \u1ed1ng d\u1eabn n\u01b0\u1edbc m\u01b0a trong nh\u00e0 nh\u00ecn chung \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf theo d\u00f2ng ch\u1ea3y kh\u00f4ng \u0111i\u1ec1u \u00e1p, tuy nhi\u00ean do l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc m\u01b0a \u0111\u00f4i khi l\u1edbn v\u00e0 t\u1eadp trung n\u00ean \u0111\u01b0\u1eddng \u1ed1ng d\u1eabn \u0111\u1ed3ng th\u1eddi C\u00f3 hai tr\u1ea1ng th\u00e1i l\u00e0 d\u00f2ng ch\u1ea3y t\u1ef1 ch\u1ea3y v\u00e0 d\u00f2ng ch\u1ea3y \u00e1p l\u1ef1c, v\u00ec v\u1eady \u0111\u01b0\u1eddng \u1ed1ng d\u1eabn n\u01b0\u1edbc m\u01b0a trong nh\u00e0 b\u1eaft bu\u1ed9c ph\u1ea3i c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu \u00e1p l\u1ef1c m\u1ea1nh h\u01a1n c\u00e1c \u0111\u01b0\u1eddng \u1ed1ng tho\u00e1t n\u01b0\u1edbc kh\u00e1c.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">\u1ed0ng tho\u00e1t n\u01b0\u1edbc PVC l\u00e0 s\u1ea3n ph\u1ea9m thay th\u1ebf cho \u1ed1ng tho\u00e1t n\u01b0\u1edbc truy\u1ec1n th\u1ed1ng v\u00e0 c\u00f3 t\u00ednh ch\u1ea5t l\u00fd h\u00f3a t\u1ed1t h\u01a1n, th\u00e0nh b\u00ean trong nh\u1eb5n v\u00e0 \u00edt ma s\u00e1t h\u01a1n so v\u1edbi v\u1eadt li\u1ec7u tho\u00e1t n\u01b0\u1edbc th\u00f4ng th\u01b0\u1eddng n\u00ean \u0111\u1ed9 d\u1ed1c l\u1eafp \u0111\u1eb7t c\u1ee7a \u1ed1ng ngang nh\u1ecf h\u01a1n, c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 tho\u00e1ng trong nh\u00e0. \u0110\u1ed3ng th\u1eddi, \u1ed1ng tho\u00e1t n\u01b0\u1edbc PVC c\u00f3 tr\u1ecdng l\u01b0\u1ee3ng nh\u1eb9, b\u1eb1ng 1\/5 \u1ed1ng gang, d\u1ec5 v\u1eadn chuy\u1ec3n v\u00e0 v\u1eadn h\u00e0nh. S\u1eed d\u1ee5ng k\u1ebft n\u1ed1i d\u00ednh, thu\u1eadn ti\u1ec7n cho vi\u1ec7c l\u1eafp \u0111\u1eb7t v\u00e0 b\u1ea3o tr\u00ec, gi\u00e1 th\u00e0nh th\u1ea5p h\u01a1n h\u01a1n so v\u1edbi c\u00e1c lo\u1ea1i \u1ed1ng tho\u00e1t n\u01b0\u1edbc th\u00f4ng th\u01b0\u1eddng, gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 chi ph\u00ed d\u1ef1 \u00e1n. Ch\u1ed1ng \u0103n m\u00f2n m\u1ea1nh trong x\u00e2y d\u1ef1ng h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u1ed1ng d\u1eabn n\u01b0\u1edbc th\u1ea3i v\u00e0 n\u01b0\u1edbc m\u01b0a \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\"> Ngo\u00e0i ra, vi\u1ec7c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i \u1ed1ng tho\u00e1t n\u01b0\u1edbc PVC gi\u00fap ti\u1ebft ki\u1ec7m th\u00e9p, \u0111i\u1ec1u n\u00e0y r\u1ea5t t\u1ed1t c\u00f3 \u00fd ngh\u0129a \u0111\u1ed1i v\u1edbi vi\u1ec7c gi\u1ea3m thi\u1ec3u t\u00ecnh tr\u1ea1ng thi\u1ebfu th\u00e9p \u1edf n\u01b0\u1edbc ta so v\u1edbi \u1ed1ng gang v\u00e0 \u1ed1ng th\u00e9p th\u00ec \u1ed1ng tho\u00e1t n\u01b0\u1edbc PVC-U c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u01b0\u1ee3c. Nh\u01b0\u1ee3c \u0111i\u1ec3m l\u00e0 ch\u1ecbu \u00e1p l\u1ef1c th\u1ea5p v\u00e0 ch\u1ecbu va \u0111\u1eadp y\u1ebfu, ngo\u00e0i ra, m\u1eb7c d\u00f9 \u1ed1ng tho\u00e1t n\u01b0\u1edbc PVC-U l\u00e0 m\u1ed9t v\u1eadt li\u1ec7u ch\u1ed1ng ch\u00e1y, \u0111\u1ed1i v\u1edbi c\u00e1c \u0111\u01b0\u1eddng \u1ed1ng l\u1ed9 ra trong nh\u00e0, c\u00f3 kh\u1ea3 n\u0103ng \u0111\u00e1m ch\u00e1y s\u1ebd lan l\u00ean theo \u0111\u01b0\u1eddng \u1ed1ng tho\u00e1t n\u01b0\u1edbc.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">H\u1ec7 s\u1ed1 gi\u00e3n n\u1edf tuy\u1ebfn t\u00ednh c\u1ee7a \u1ed1ng tho\u00e1t n\u01b0\u1edbc PVC l\u1edbn, c\u1ea7n l\u1eafp th\u00eam khe co gi\u00e3n \u0111\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 co gi\u00e3n trong qu\u00e1 tr\u00ecnh thi c\u00f4ng. Theo c\u00f4ng th\u1ee9c t\u00ednh \u0111\u1ed9 gi\u00e3n n\u1edf co c\u1ee7a \u1ed1ng tho\u00e1t n\u01b0\u1edbc PVC-U do thay \u0111\u1ed5i m\u00f4i tr\u01b0\u1eddng xung quanh nhi\u1ec7t \u0111\u1ed9:<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">\u25b3 L = L \u00b7 a \u00b7 At<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">Trong c\u00f4ng th\u1ee9c, \u25b3 L-l\u01b0\u1ee3ng gi\u00e3n n\u1edf v\u00e0 co l\u1ea1i c\u1ee7a \u0111\u01b0\u1eddng \u1ed1ng (m)<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">Chi\u1ec1u d\u00e0i \u1ed1ng ch\u1eef L (mk)<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">a &#8211; H\u1ec7 s\u1ed1 m\u1edf r\u1ed9ng tuy\u1ebfn t\u00ednh, s\u1eed d\u1ee5ng 6 \u00d7 10-5 \uff5e 8X10-5-m \/ (m \u00b7 \u2103)<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">\u25b3 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 t (\u2103)<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">Ngo\u00e0i \u1ed1ng nh\u1ef1a PVC th\u00ec <strong><span style=\"color: #008000;\"><em>c\u00f4ng ty<\/em><\/span> <\/strong><span style=\"color: #008000;\"><em><strong>TNHH Qu\u1ed1c T\u1ebf BiNa Vi\u1ec7t Nam<\/strong> <\/em><\/span>c\u00f2n cung c\u1ea5p <span style=\"color: #33cccc;\"><a style=\"color: #33cccc;\" href=\"https:\/\/dpm360.com\/san-pham\/mang-co-nhiet-pvc\/\">m\u00e0ng co nhi\u1ec7t PVC<\/a><\/span> ch\u1ea5t l\u01b0\u1ee3ng cao, c\u00e1c \u0111\u1ed1i t\u00e1c c\u1ee7a ch\u00fang t\u00f4i v\u00f4 c\u00f9ng h\u00e0i l\u00f2ng v\u1ec1 s\u1ea3n ph\u1ea9m v\u00e0 gi\u00e1 c\u1ea3.\u00a0<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>M\u1ee5c l\u1ee5c \u1ed0ng nh\u1ef1a PVCT\u1ed5ng qu\u00e1t v\u1ec1 \u1ed1ng nh\u1ef1a PVCPh\u00e2n lo\u1ea1i \u1ed1ng nh\u1ef1a pvcL\u1ecbch s\u1eed ph\u00e1t tri\u1ec3n \u1ed1ng nh\u1ef1a PVCTo\u00e0n c\u1ea3nh ng\u00e0nh c\u00f4ng nghi\u1ec7p \u1ed1ng PVCXu h\u01b0\u1edbng ph\u00e1t tri\u1ec3nT\u00ecnh tr\u1ea1ng ph\u00e1t tri\u1ec3n \u1ed1ng nh\u1ef1a PVCQuan \u0111i\u1ec3m v\u1ec1 \u1ed1ng nh\u1ef1a PVC\u1ed0ng tho\u00e1t n\u01b0\u1edbc PVC\u01afu \u0111i\u1ec3m c\u1ee7a s\u1ea3n ph\u1ea9m \u1ed1ng tho\u00e1t n\u01b0\u1edbc PVCH\u01b0\u1edbng d\u1eabn l\u1eafp \u0111\u1eb7t \u1ed1ng &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/dpm360.com\/san-pham\/ong-nhua-pvc\/\" class=\"more-link\">\u0110\u1ecdc ti\u1ebfp<span class=\"screen-reader-text\"> &#8220;\u1ed0ng nh\u1ef1a PVC&#8221;<\/span><\/a><\/p>\n","protected":false},"featured_media":3762,"comment_status":"open","ping_status":"closed","template":"","meta":[],"yoast_head":"\n<title>\u1ed0ng nh\u1ef1a PVC - 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