K\u00edch th\u01b0\u1edbc m\u00e0ng co nhi\u1ec7t PVC<\/span><\/figcaption><\/figure>\n\u0110\u1ed1i v\u1edbi m\u00e0ng co nhi\u1ec7t PVC c\u1ee9ng, t\u1ed1t nh\u1ea5t n\u00ean s\u1eed d\u1ee5ng lo\u1ea1i nh\u1ef1a treo lo\u1ea1i 6 ho\u1eb7c 7. M\u1eb7c d\u00f9 \u0111i\u1ec7n tr\u1edf su\u1ea5t th\u1ec3 t\u00edch c\u1ee7a m\u00e0ng co nhi\u1ec7t d\u00f9ng cho k\u1ebft n\u1ed1i d\u00e2y v\u00e0 c\u00e1p kh\u00f4ng cao b\u1eb1ng lo\u1ea1i nh\u1ef1a lo\u1ea1i 2 ho\u1eb7c lo\u1ea1i 3, lo\u1ea1i 7. Lo\u1ea1i nh\u1ef1a c\u00f3 kh\u1ea3 n\u0103ng t\u1ea1o h\u00ecnh t\u1ed1t th\u1ef1c t\u1ebf s\u1ea3n xu\u1ea5t \u0111\u00e3 ch\u1ee9ng minh r\u1eb1ng r\u1ea5t kh\u00f3 t\u1ea1o h\u00ecnh khi s\u1eed d\u1ee5ng nh\u1ef1a lo\u1ea1i 2 ho\u1eb7c lo\u1ea1i 3. M\u00e0ng co nhi\u1ec7t PVC c\u1ee9ng \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t ra r\u1ea5t c\u1ee9ng v\u00e0 gi\u00f2n, kh\u00f4ng th\u1ec3 g\u1ea5p l\u1ea1i v\u00e0 c\u00e1n \u0111\u01b0\u1ee3c.<\/span><\/p>\nKhi s\u1eed d\u1ee5ng ch\u1ea5t h\u00f3a d\u1ebbo \u0111\u1ec3 h\u00f3a d\u1ebbo, nhi\u1ec7t \u0111\u1ed9 co ng\u00f3t nhi\u1ec7t s\u1ebd gi\u1ea3m khi h\u00e0m l\u01b0\u1ee3ng ch\u1ea5t h\u00f3a d\u1ebbo t\u0103ng l\u00ean, v\u00ed d\u1ee5: s\u1eed d\u1ee5ng b\u1ed9t nh\u1ef1a PVC 3 lo\u1ea1i l\u01a1 l\u1eedng v\u00e0 th\u00eam ch\u1ea5t h\u00f3a d\u1ebbo DOP 30-50 PHR, nhi\u1ec7t \u0111\u1ed9 c\u00f3 th\u1ec3 kho\u1ea3ng 70 \u2103. K\u00e9o d\u00e0i \u1edf nhi\u1ec7t \u0111\u1ed9 cao, s\u1ea3n ph\u1ea9m c\u1ee7a n\u00f3 c\u00f3 th\u1ec3 co l\u1ea1i \u1edf kho\u1ea3ng 40 \u00b0 C v\u00e0 kh\u00f4ng th\u1ec3 b\u1ea3o qu\u1ea3n trong th\u1eddi ti\u1ebft n\u00f3ng. <\/span><\/p>\nH\u01a1n n\u1eefa, v\u1edbi s\u1ef1 gia t\u0103ng c\u1ee7a h\u00e0m l\u01b0\u1ee3ng ch\u1ea5t h\u00f3a d\u1ebbo, \u0111i\u1ec7n tr\u1edf su\u1ea5t th\u1ec3 t\u00edch c\u1ee7a \u1ed1ng b\u1ecdc co nhi\u1ec7t cho d\u00e2y v\u00e0 c\u00e1p gi\u1ea3m. Do \u0111\u00f3, ch\u00fang t\u00f4i v\u1eabn s\u1eed d\u1ee5ng nh\u1ef1a lo\u1ea1i 6 ho\u1eb7c 7, d\u1ec5 gia c\u00f4ng h\u01a1n khi s\u1ea3n xu\u1ea5t \u1ed1ng b\u1ecdc co nhi\u1ec7t PVC cho c\u00e1c m\u1ed1i n\u1ed1i d\u00e2y v\u00e0 c\u00e1p. \u0110\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng c\u00e1ch nhi\u1ec7t, m\u1ed9t ch\u1ea5t \u1ed5n \u0111\u1ecbnh nhi\u1ec7t k\u1ebft h\u1ee3p mu\u1ed1i tri v\u00e0 mu\u1ed1i di \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u00e0 \u0111\u1ed9 d\u00e0y c\u1ee7a m\u00e0ng \u0111\u01b0\u1ee3c t\u0103ng l\u00ean m\u1ed9t c\u00e1ch th\u00edch h\u1ee3p \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00e1ch nhi\u1ec7t. <\/span><\/p>\nCao su nitrile P83 kh\u00f4ng ch\u1ec9 c\u00f3 kh\u1ea3 n\u0103ng x\u1eed l\u00fd t\u1ed1t, \u0111\u00e0n h\u1ed3i v\u00e0 ch\u1ecbu l\u1ea1nh, m\u00e0 c\u00f2n c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 b\u1ec1n v\u00e0 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng n\u1ee9t do \u1ee9ng su\u1ea5t c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m PVC. CaCO3 ho\u1ea1t t\u00ednh ch\u1ee7 y\u1ebfu c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng c\u00e1ch nhi\u1ec7t, ch\u1ed1ng ch\u00e1y v\u00e0 gi\u1ea3m gi\u00e1 th\u00e0nh s\u1ea3n ph\u1ea9m.<\/span><\/p>\n