{"id":695,"date":"2025-12-03T13:55:17","date_gmt":"2025-12-03T05:55:17","guid":{"rendered":"https:\/\/www.dstpvc.com\/?p=695"},"modified":"2026-01-07T11:28:57","modified_gmt":"2026-01-07T03:28:57","slug":"dsv-pvc-granules-formulation-designed-for-dwv-pipe","status":"publish","type":"post","link":"https:\/\/www.dstpvc.com\/vi\/dsv-pvc-granules-formulation-designed-for-dwv-pipe\/","title":{"rendered":"H\u1ea1t nh\u1ef1a PVC DST - C\u00f4ng th\u1ee9c \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf d\u00e0nh cho \u1ed1ng DWV"},"content":{"rendered":"

\u0110\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u su\u1ea5t ti\u00eau chu\u1ea9n cho \u1ed1ng PVC-U DWV, b\u1ea1n c\u1ea7n m\u1ed9t c\u00f4ng th\u1ee9c ph\u1ed1i tr\u1ed9n ph\u1ee5 gia \u0111\u01b0\u1ee3c c\u00e2n \u0111\u1ed1i c\u1ea9n th\u1eadn. M\u1ed7i th\u00e0nh ph\u1ea7n \u0111\u00f3ng vai tr\u00f2 c\u1ee5 th\u1ec3 trong vi\u1ec7c \u0111\u1ea3m b\u1ea3o \u1ed1ng cu\u1ed1i c\u00f9ng \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u v\u1ec1 \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc, kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp v\u00e0 t\u00ednh d\u1ec5 gia c\u00f4ng.<\/p>\n

\"Dst<\/p>\n

D\u01b0\u1edbi \u0111\u00e2y l\u00e0 ph\u00e2n t\u00edch chi ti\u1ebft v\u1ec1 c\u00e1c nh\u00f3m ph\u1ee5 gia c\u1ea7n thi\u1ebft, li\u1ec1u l\u01b0\u1ee3ng \u0111i\u1ec3n h\u00ecnh c\u1ee7a ch\u00fang v\u00e0 ch\u1ee9c n\u0103ng ch\u00ednh c\u1ee7a ch\u00fang trong h\u1ed7n h\u1ee3p.<\/p>\n

\ud83e\uddea C\u00e1c ph\u1ee5 gia thi\u1ebft y\u1ebfu cho c\u00f4ng th\u1ee9c \u1ed1ng PVC-U DWV<\/h3>\n

C\u00f4ng th\u1ee9c c\u1ed1t l\u00f5i d\u1ef1a tr\u00ean\u00a0100 ph\u1ea7n tr\u1ecdng l\u01b0\u1ee3ng nh\u1ef1a PVC (phr)<\/strong>. M\u1ed9t \u201cc\u00f4ng th\u1ee9c\u201d \u0111i\u1ec3n h\u00ecnh bao g\u1ed3m c\u00e1c ph\u1ee5 gia ch\u00ednh sau:<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n
Danh m\u1ee5c ch\u1ea5t ph\u1ee5 gia<\/th>\nC\u00e1c lo\u1ea1i c\u1ee5 th\u1ec3 & v\u00ed d\u1ee5<\/th>\nLi\u1ec1u l\u01b0\u1ee3ng \u0111i\u1ec3n h\u00ecnh (phr)<\/th>\nCh\u1ee9c n\u0103ng ch\u00ednh<\/th>\n<\/tr>\n<\/thead>\n
Ch\u1ea5t \u1ed5n \u0111\u1ecbnh nhi\u1ec7t<\/strong><\/td>\nCanxi-K\u1ebdm (Ca\/Zn), Organotin (v\u00ed d\u1ee5: Methyltin)<\/td>\n2 \u2013 4<\/td>\nNg\u0103n ng\u1eeba s\u1ef1 suy gi\u1ea3m nhi\u1ec7t c\u1ee7a PVC trong qu\u00e1 tr\u00ecnh \u00e9p \u0111\u00f9n \u1edf nhi\u1ec7t \u0111\u1ed9 cao, duy tr\u00ec \u0111\u1ed9 b\u1ec1n v\u00e0 m\u00e0u s\u1eafc c\u1ee7a v\u1eadt li\u1ec7u.<\/td>\n<\/tr>\n
Ch\u1ea5t c\u1ea3i ti\u1ebfn t\u00e1c \u0111\u1ed9ng<\/strong><\/td>\nPolyethylene clo h\u00f3a (CPE), ch\u1ea5t \u0111i\u1ec1u ch\u1ec9nh g\u1ed1c acrylic (ACR)<\/td>\n6 \u2013 12<\/td>\nR\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi DWV.<\/strong>\u00a0H\u1ea5p th\u1ee5 n\u0103ng l\u01b0\u1ee3ng \u0111\u1ec3 ng\u0103n g\u00e3y gi\u00f2n, c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 \u0111\u1ed9 dai v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu va \u0111\u1eadp.<\/td>\n<\/tr>\n
Ch\u1ea5t \u0111\u1ed9n<\/strong><\/td>\nCanxi cacbonat k\u1ebft t\u1ee7a (CaCO\u2083), x\u1eed l\u00fd b\u1ec1 m\u1eb7t \u0111\u1ec3 li\u00ean k\u1ebft t\u1ed1t h\u01a1n<\/td>\n5 \u2013 40+<\/td>\nT\u0103ng \u0111\u1ed9 c\u1ee9ng (\u0111\u1ed9 c\u1ee9ng v\u00f2ng), gi\u1ea3m chi ph\u00ed nguy\u00ean li\u1ec7u th\u00f4 v\u00e0 c\u1ea3i thi\u1ec7n \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc.<\/td>\n<\/tr>\n
Ch\u1ea5t b\u00f4i tr\u01a1n<\/strong><\/td>\nTrong n\u1ed9i b\u1ed9:<\/strong>\u00a0Axit stearic, Canxi stearat
\nB\u00ean ngo\u00e0i:<\/strong>\u00a0S\u00e1p paraffin, S\u00e1p polyethylene oxy h\u00f3a<\/td>\n		1 \u2013 2<\/td>\nGi\u1ea3m ma s\u00e1t:\u00a0Trong n\u1ed9i b\u1ed9<\/strong>\u00a0(gi\u1eefa c\u00e1c chu\u1ed7i PVC) gi\u00fap h\u1ed7 tr\u1ee3 s\u1ef1 h\u1ee3p nh\u1ea5t;\u00a0B\u00ean ngo\u00e0i<\/strong>\u00a0(gi\u1eefa nh\u1ef1a n\u00f3ng ch\u1ea3y v\u00e0 thi\u1ebft b\u1ecb) \u0111\u1ea3m b\u1ea3o qu\u00e1 tr\u00ecnh gia c\u00f4ng tr\u01a1n tru v\u00e0 b\u1ec1 m\u1eb7t ho\u00e0n thi\u1ec7n.<\/td>\n<\/tr>\n
Ph\u1ee5 gia x\u1eed l\u00fd<\/strong><\/td>\nPolyme g\u1ed1c acrylic (ch\u1ea5t h\u1ed7 tr\u1ee3 gia c\u00f4ng ACR)<\/td>\n1 \u2013 2<\/td>\nTh\u00fac \u0111\u1ea9y s\u1ef1 h\u1ee3p nh\u1ea5t \u0111\u1ed3ng \u0111\u1ec1u c\u1ee7a h\u1ea1t PVC, c\u1ea3i thi\u1ec7n \u0111\u1ed9 b\u1ec1n n\u00f3ng ch\u1ea3y \u0111\u1ec3 \u00e9p \u0111\u00f9n tr\u01a1n tru, \u0111\u1ed3ng th\u1eddi gi\u00fap ng\u0103n ng\u1eeba c\u00e1c khuy\u1ebft t\u1eadt b\u1ec1 m\u1eb7t nh\u01b0 \u201cda c\u00e1 m\u1eadp\u201d.\u201d<\/td>\n<\/tr>\n
B\u1ed9t m\u00e0u<\/strong><\/td>\nTitanium dioxide (TiO\u2082)<\/td>\n1 \u2013 4<\/td>\nMang l\u1ea1i m\u00e0u tr\u1eafng ho\u1eb7c x\u00e1m ti\u00eau chu\u1ea9n v\u00e0 cung c\u1ea5p m\u1ed9t s\u1ed1 b\u1ea3o v\u1ec7 ch\u1ed1ng suy tho\u00e1i UV cho \u1ed1ng ti\u1ebfp x\u00fac v\u1edbi \u00e1nh s\u00e1ng.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

\ud83d\udca1 Nh\u1eefng hi\u1ec3u bi\u1ebft quan tr\u1ecdng v\u1ec1 c\u00f4ng th\u1ee9c cho \u1ed1ng DWV<\/h3>\n
    \n
  1. \n

    T\u00ednh t\u1ea5t y\u1ebfu c\u1ee7a Canxi-K\u1ebdm (Ca\/Zn)<\/strong>: \u0110\u1ed1i v\u1edbi c\u00e1c \u1ed1ng hi\u1ec7n \u0111\u1ea1i, th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng (\u0111\u1eb7c bi\u1ec7t cho n\u01b0\u1edbc u\u1ed1ng ho\u1eb7c n\u01b0\u1edbc th\u1ea3i),\u00a0Ch\u1ea5t \u1ed5n \u0111\u1ecbnh Canxi-K\u1ebdm l\u00e0 ti\u00eau chu\u1ea9n ng\u00e0nh<\/strong>, \u0111\u00e3 ph\u1ea7n l\u1edbn thay th\u1ebf c\u00e1c ch\u1ea5t \u1ed5n \u0111\u1ecbnh g\u1ed1c ch\u00ec. Ch\u00fang r\u1ea5t c\u1ea7n thi\u1ebft \u0111\u1ec3 s\u1ea3n xu\u1ea5t an to\u00e0n v\u00e0 tu\u00e2n th\u1ee7 quy \u0111\u1ecbnh.<\/p>\n<\/li>\n

  2. \n

    C\u00e2n b\u1eb1ng gi\u1eefa kh\u1ea3 n\u0103ng ch\u1ecbu va \u0111\u1eadp v\u00e0 t\u00ednh d\u1ec5 gia c\u00f4ng<\/strong>: Trung t\u00e2m c\u1ee7a c\u00f4ng th\u1ee9c DWV l\u00e0\u00a0ch\u1ea5t \u0111i\u1ec1u ch\u1ec9nh va \u0111\u1eadp<\/strong>\u00a0(nh\u01b0 CPE). Tuy nhi\u00ean, vi\u1ec7c s\u1eed d\u1ee5ng n\u00f3 l\u00e0m t\u0103ng \u0111\u1ed9 nh\u1edbt n\u00f3ng ch\u1ea3y. \u0110\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao m\u1ed9t h\u1ec7 th\u1ed1ng b\u00f4i tr\u01a1n \u0111\u01b0\u1ee3c c\u00e2n \u0111\u1ed1i t\u1ed1t\u00a0l\u00e0 kh\u00f4ng th\u1ec3 thi\u1ebfu\u2014n\u00f3 kh\u1eafc ph\u1ee5c t\u00ecnh tr\u1ea1ng d\u00ednh v\u00e0 \u0111\u1ea3m b\u1ea3o h\u1ed7n h\u1ee3p dai v\u1eabn c\u00f3 th\u1ec3 gia c\u00f4ng hi\u1ec7u qu\u1ea3.<\/strong>\u00a0Vai tr\u00f2 c\u1ee7a ch\u1ea5t \u0111\u1ed9n.<\/p>\n<\/li>\n

  3. \n

    : Kh\u00e1c v\u1edbi \u1ed1ng \u00e1p l\u1ef1c,<\/strong>\u1ed1ng DWV c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng h\u00e0m l\u01b0\u1ee3ng canxi cacbonat cao h\u01a1n,\u00a0v\u00ec \u00e1p su\u1ea5t th\u1ee7y t\u0129nh t\u1ed1i \u0111a \u00edt quan tr\u1ecdng h\u01a1n. \u0110i\u1ec1u n\u00e0y gi\u00fap t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 c\u1ee9ng hi\u1ec7u qu\u1ea3 v\u00e0 gi\u1ea3m chi ph\u00ed, nh\u01b0ng ch\u1ea5t \u0111\u1ed9n ph\u1ea3i c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t v\u00e0 ph\u00e2n t\u00e1n \u0111\u1ec1u \u0111\u1ec3 tr\u00e1nh l\u00e0m y\u1ebfu v\u1eadt li\u1ec7u.<\/strong>\u00a0Nh\u1eefng g\u00ec KH\u00d4NG c\u00f3 trong h\u1ed7n h\u1ee3p.<\/p>\n<\/li>\n

  4. \n

    Ch\u1ea5t h\u00f3a d\u1ebbo (nh\u01b0 DOP, DINP) b\u1ecb lo\u1ea1i tr\u1eeb c\u00f3 ch\u1ee7 \u00fd<\/strong>:\u00a0. \u1ed0ng DWV \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb<\/strong>. PVC-U c\u1ee9ng (kh\u00f4ng h\u00f3a d\u1ebbo)\u00a0, v\u00ec v\u1eady c\u00f4ng th\u1ee9c d\u1ef1a v\u00e0o c\u00e1c ch\u1ea5t \u0111i\u1ec1u ch\u1ec9nh va \u0111\u1eadp \u0111\u1ec3 t\u1ea1o \u0111\u1ed9 dai, ch\u1ee9 kh\u00f4ng ph\u1ea3i ch\u1ea5t h\u00f3a d\u1ebbo \u0111\u1ec3 t\u1ea1o \u0111\u1ed9 m\u1ec1m d\u1ebbo.<\/strong>, H\u1ec7 th\u1ed1ng ph\u1ee5 gia n\u00e0y t\u1ea1o ra hi\u1ec7u \u1ee9ng hi\u1ec7p \u0111\u1ed3ng, s\u1ea3n xu\u1ea5t c\u00e1c h\u1ea1t \u00e9p \u0111\u00f9n th\u00e0nh \u1ed1ng v\u1edbi s\u1ef1 c\u00e2n b\u1eb1ng l\u00fd t\u01b0\u1edfng gi\u1eefa.<\/p>\n<\/li>\n<\/ol>\n

    \u0111\u1ed9 b\u1ec1n va \u0111\u1eadp cao, \u0111\u1ed9 c\u1ee9ng v\u00f2ng tuy\u1ec7t v\u1eddi, \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t t\u1ed1t v\u00e0 t\u00ednh d\u1ec5 gia c\u00f4ng tr\u01a1n tru\u00a0high impact strength, excellent ring stiffness, good thermal stability, and smooth processability<\/strong>.<\/p>","protected":false},"excerpt":{"rendered":"

    To achieve the standard performance for PVC-U DWV pipes, you need a carefully balanced formulation of additives. Each component plays a specific role in ensuring the final pipe meets the required mechanical strength, impact resistance, and processability. Here is a breakdown of the necessary additive categories, their typical dosages, and their primary functions within the […]<\/p>\n","protected":false},"author":4,"featured_media":623,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[36],"tags":[],"class_list":["post-695","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.dstpvc.com\/vi\/wp-json\/wp\/v2\/posts\/695","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.dstpvc.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.dstpvc.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.dstpvc.com\/vi\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dstpvc.com\/vi\/wp-json\/wp\/v2\/comments?post=695"}],"version-history":[{"count":0,"href":"https:\/\/www.dstpvc.com\/vi\/wp-json\/wp\/v2\/posts\/695\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.dstpvc.com\/vi\/wp-json\/wp\/v2\/media\/623"}],"wp:attachment":[{"href":"https:\/\/www.dstpvc.com\/vi\/wp-json\/wp\/v2\/media?parent=695"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dstpvc.com\/vi\/wp-json\/wp\/v2\/categories?post=695"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dstpvc.com\/vi\/wp-json\/wp\/v2\/tags?post=695"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}