{"id":694,"date":"2025-12-03T14:03:34","date_gmt":"2025-12-03T06:03:34","guid":{"rendered":"https:\/\/www.dstpvc.com\/?post_type=products&p=694"},"modified":"2026-01-29T09:59:09","modified_gmt":"2026-01-29T01:59:09","slug":"pvc-u-granules-for-dwv-pipes","status":"publish","type":"products","link":"https:\/\/www.dstpvc.com\/vi\/products\/pvc-u-granules-for-dwv-pipes\/","title":{"rendered":"H\u1ea1t nh\u1ef1a PVC-U d\u00f9ng cho \u1ed1ng tho\u00e1t n\u01b0\u1edbc m\u01b0a"},"content":{"rendered":"

B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y t\u00f3m t\u1eaft c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt quan tr\u1ecdng nh\u1ea5t c\u1ea7n ch\u00fa \u00fd:<\/span><\/p>\n

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T\u00ednh Ch\u1ea5t<\/span><\/th>\nT\u1ea1i sao \u0111i\u1ec1u n\u00e0y l\u1ea1i quan tr\u1ecdng \u0111\u1ed1i v\u1edbi DWV<\/span><\/th>\nC\u00e1c ti\u00eau chu\u1ea9n\/y\u00eau c\u1ea7u ch\u00ednh<\/span><\/th>\n<\/tr>\n<\/thead>\n
Impact Resistance<\/span><\/strong><\/td>\nNg\u0103n ng\u1eeba n\u1ee9t v\u1ee1 do x\u1eed l\u00fd, l\u1eafp \u0111\u1eb7t ho\u1eb7c r\u00e1c th\u1ea3i trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng<\/span>.<\/span><\/td>\nTh\u1eed nghi\u1ec7m va \u0111\u1eadp tr\u1ecdng l\u01b0\u1ee3ng r\u01a1i<\/span><\/strong>\u00a0(v\u00ed d\u1ee5: kh\u00f4ng h\u1ecfng \u1edf -10\u00b0C ho\u1eb7c th\u1ea5p h\u01a1n)<\/span>.<\/span><\/td>\n<\/tr>\n
\u0110\u1ed9 c\u1ee9ng v\u00f2ng (SN)<\/span><\/strong><\/td>\nCh\u1ecbu \u0111\u01b0\u1ee3c bi\u1ebfn d\u1ea1ng do t\u1ea3i tr\u1ecdng \u0111\u1ea5t l\u1ea5p \u0111\u1ea7y v\u00e0 \u00e1p l\u1ef1c m\u1eb7t \u0111\u1ea5t<\/span>.<\/span><\/td>\nPh\u00e2n lo\u1ea1i theo c\u00e1c c\u1ea5p \u0111\u1ed9 c\u1ee9ng (v\u00ed d\u1ee5: SN2, SN4, SN8) theo c\u00e1c ti\u00eau chu\u1ea9n nh\u01b0 EN 1401-1<\/span>.<\/span><\/td>\n<\/tr>\n
\u0110\u1ed9 c\u1ee9ng \u1ed1ng & kh\u1ea3 n\u0103ng ch\u1ed1ng nghi\u1ec1n<\/span><\/strong><\/td>\n\u0110\u1ea3m b\u1ea3o \u1ed1ng kh\u00f4ng b\u1ecb s\u1ee5p \u0111\u1ed5 d\u01b0\u1edbi t\u1ea3i tr\u1ecdng t\u0129nh ho\u1eb7c \u0111\u1ed9ng<\/span>.<\/span><\/td>\n\u0110\u01b0\u1ee3c quy \u0111\u1ecbnh trong c\u00e1c ti\u00eau chu\u1ea9n nh\u01b0 ASTM F2390 d\u00e0nh cho \u1ed1ng DWV<\/span>.<\/span><\/td>\n<\/tr>\n
Kh\u1ea3 n\u0103ng ch\u1ed1ng n\u1ed5 th\u1ee7y t\u0129nh<\/span><\/strong><\/td>\n\u0110\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n d\u00f9 c\u00f3 nh\u1eefng \u0111\u1ed9t bi\u1ebfn \u00e1p su\u1ea5t ho\u1eb7c t\u1eafc ngh\u1ebdn b\u1ea5t th\u01b0\u1eddng<\/span>.<\/span><\/td>\n\u00c1p su\u1ea5t n\u1ed5 t\u1ed1i thi\u1ec3u \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh trong c\u00e1c ti\u00eau chu\u1ea9n nh\u01b0 ASTM F2390<\/span>.<\/span><\/td>\n<\/tr>\n
\u0110\u1ed9 \u1ed5n \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc<\/span><\/strong><\/td>\nNg\u0103n ng\u1eeba r\u00f2 r\u1ec9 t\u1ea1i m\u1ed1i n\u1ed1i v\u00e0 h\u1ecfng h\u00f3c h\u1ec7 th\u1ed1ng do co r\u00fat nhi\u1ec7t<\/span>.<\/span><\/td>\n\u0110\u1ed9 h\u1ed3i ph\u1ee5c d\u1ecdc<\/span><\/strong>\u00a0th\u1eed nghi\u1ec7m (co r\u00fat th\u1ea5p %)<\/span>.<\/span><\/td>\n<\/tr>\n
Heat Resistance<\/span><\/strong><\/td>\nDuy tr\u00ec h\u00ecnh d\u1ea1ng v\u00e0 \u0111\u1ed9 b\u1ec1n khi ti\u1ebfp x\u00fac v\u1edbi n\u01b0\u1edbc th\u1ea3i n\u00f3ng<\/span>.<\/span><\/td>\nNhi\u1ec7t \u0111\u1ed9 m\u1ec1m Vicat<\/span><\/strong>\u00a0(th\u01b0\u1eddng \u226579\u00b0C)<\/span>.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

\ud83e\uddea H\u01b0\u1edbng d\u1eabn pha ch\u1ebf c\u1ee5 th\u1ec3<\/span><\/h3>\n

\u0110\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u00e1c \u0111\u1eb7c t\u00ednh tr\u00ean, c\u1ea7n m\u1ed9t \u201cc\u00f4ng th\u1ee9c\u201d c\u00e2n b\u1eb1ng c\u1ea9n th\u1eadn. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh v\u00e0 vai tr\u00f2 c\u1ee7a ch\u00fang trong c\u00f4ng th\u1ee9c PVC-U t\u1ed1i \u01b0u h\u00f3a cho DWV:<\/span><\/p>\n

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    Nh\u1ef1a PVC<\/span><\/strong>: S\u1eed d\u1ee5ng nh\u1ef1a c\u00f3\u00a0<\/span>gi\u00e1 tr\u1ecb K t\u1eeb 65-68<\/span><\/strong>\u00a0\u0111\u1ec3 c\u00f3 s\u1ef1 c\u00e2n b\u1eb1ng t\u1ed1t gi\u1eefa \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc v\u00e0 kh\u1ea3 n\u0103ng gia c\u00f4ng<\/span>.<\/span><\/p>\n<\/li>\n

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    Ch\u1ea5t c\u1ea3i ti\u1ebfn t\u00e1c \u0111\u1ed9ng<\/span><\/strong>: Thi\u1ebft y\u1ebfu \u0111\u1ec3 t\u0103ng \u0111\u1ed9 dai.\u00a0<\/span>Polyethylene clo h\u00f3a (CPE)<\/span><\/strong>\u00a0ho\u1eb7c\u00a0<\/span>ch\u1ea5t \u0111i\u1ec1u ch\u1ec9nh g\u1ed1c acrylic<\/span><\/strong>\u00a0th\u01b0\u1eddng \u0111\u01b0\u1ee3c th\u00eam v\u00e0o \u0111\u1ec3 h\u1ea5p th\u1ee5 n\u0103ng l\u01b0\u1ee3ng va \u0111\u1eadp v\u00e0 ng\u0103n ng\u1eeba g\u00e3y gi\u00f2n<\/span>.<\/span><\/p>\n<\/li>\n

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    Ch\u1ea5t \u1ed5n \u0111\u1ecbnh nhi\u1ec7t<\/span><\/strong>: Quan tr\u1ecdng \u0111\u1ec3 ng\u0103n ch\u1eb7n s\u1ef1 suy gi\u1ea3m trong qu\u00e1 tr\u00ecnh \u00e9p \u0111\u00f9n \u1edf nhi\u1ec7t \u0111\u1ed9 cao.\u00a0<\/span>Canxi-K\u1ebdm (Ca-Zn)<\/span><\/strong>\u00a0l\u00e0 l\u1ef1a ch\u1ecdn th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng h\u00e0ng \u0111\u1ea7u, thay th\u1ebf c\u00e1c ch\u1ea5t \u1ed5n \u0111\u1ecbnh ch\u00ec truy\u1ec1n th\u1ed1ng, \u0111\u1eb7c bi\u1ec7t \u0111\u1ed1i v\u1edbi c\u00e1c \u1ed1ng c\u00f3 th\u1ec3 ti\u1ebfp x\u00fac v\u1edbi n\u01b0\u1edbc th\u1ea3i<\/span>.<\/span><\/p>\n<\/li>\n

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    Ch\u1ea5t b\u00f4i tr\u01a1n<\/span><\/strong>: M\u1ed9t h\u1ec7 th\u1ed1ng c\u00e2n b\u1eb1ng c\u1ee7a\u00a0<\/span>b\u00ean trong<\/span><\/strong>\u00a0(v\u00ed d\u1ee5: axit stearic) v\u00e0\u00a0<\/span>b\u00ean ngo\u00e0i<\/span><\/strong>\u00a0(v\u00ed d\u1ee5: s\u00e1p paraffin) \u0111\u1ea3m b\u1ea3o qu\u00e1 tr\u00ecnh gia c\u00f4ng tr\u01a1n tru, b\u1ec1 m\u1eb7t ho\u00e0n thi\u1ec7n t\u1ed1t v\u00e0 ng\u0103n ch\u1eb7n v\u1eadt li\u1ec7u n\u00f3ng ch\u1ea3y d\u00ednh v\u00e0o thi\u1ebft b\u1ecb<\/span>.<\/span><\/p>\n<\/li>\n

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    Ch\u1ea5t \u0111\u1ed9n<\/span><\/strong>:\u00a0<\/span>Canxi cacbonat (CaCO\u2083)<\/span><\/strong>\u00a0l\u00e0 ch\u1ea5t \u0111\u1ed9n ch\u00ednh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 gi\u1ea3m chi ph\u00ed v\u00e0 t\u0103ng \u0111\u1ed9 c\u1ee9ng. \u0110\u1ed1i v\u1edbi \u1ed1ng DWV kh\u00f4ng ch\u1ecbu \u00e1p l\u1ef1c,\u00a0<\/span>l\u01b0\u1ee3ng \u0111\u1ed9n cao h\u01a1n (t\u1edbi 40 phr ho\u1eb7c h\u01a1n)<\/span><\/strong>\u00a0c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng so v\u1edbi \u1ed1ng ch\u1ecbu \u00e1p l\u1ef1c, gi\u00fap c\u1ea3i thi\u1ec7n \u0111\u1ed9 c\u1ee9ng v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed<\/span>.<\/span><\/p>\n<\/li>\n

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    Ch\u1ea5t tr\u1ee3 gia c\u00f4ng & ph\u1ea9m m\u00e0u<\/span><\/strong>: Ch\u1ea5t tr\u1ee3 gia c\u00f4ng g\u1ed1c acrylic\u00a0<\/span>\u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3<\/span><\/strong>\u00a0th\u00fac \u0111\u1ea9y s\u1ef1 h\u1ee3p nh\u1ea5t v\u00e0 c\u1ea3i thi\u1ec7n \u0111\u1ed9 b\u1ec1n n\u00f3ng ch\u1ea3y<\/span>.\u00a0<\/span>Titanium dioxide (TiO\u2082)<\/span><\/strong>\u00a0l\u00e0 ph\u1ea9m m\u00e0u ph\u1ed5 bi\u1ebfn mang l\u1ea1i m\u00e0u s\u1eafc (th\u01b0\u1eddng tr\u1eafng\/x\u00e1m cho DWV) v\u00e0 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 ch\u1ea5t ch\u1ed1ng tia UV<\/span>.<\/span><\/p>\n<\/li>\n<\/ul>\n

    M\u1ed9t c\u00f4ng th\u1ee9c m\u1eabu t\u1eeb b\u1eb1ng s\u00e1ng ch\u1ebf cho \u1ed1ng d\u1eabn ng\u1ea7m bao g\u1ed3m 100 ph\u1ea7n nh\u1ef1a PVC, 2 ph\u1ea7n canxi stearat, 3 ph\u1ea7n TiO\u2082, 2 ph\u1ea7n CaCO\u2083 v\u00e0 1 ph\u1ea7n ch\u1ea5t tr\u1ee3 gia c\u00f4ng, nh\u1ea5n m\u1ea1nh c\u1ea5u tr\u00fac ph\u1ee5 gia \u0111i\u1ec3n h\u00ecnh<\/span>.<\/span><\/p>","protected":false},"excerpt":{"rendered":"

    \u0110\u1ed1i v\u1edbi h\u1ea1t PVC-U d\u00f9ng trong \u1ed1ng tho\u00e1t n\u01b0\u1edbc-th\u1ea3i-vent (DWV), c\u00e1c y\u00eau c\u1ea7u hi\u1ec7u su\u1ea5t quan tr\u1ecdng nh\u1ea5t chuy\u1ec3n t\u1eeb kh\u1ea3 n\u0103ng ch\u1ecbu \u00e1p su\u1ea5t cao (c\u1ea7n thi\u1ebft cho c\u1ea5p n\u01b0\u1edbc) sang\u00a0kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp v\u00e0 \u0111\u1ed9 c\u1ee9ng c\u1ea5u tr\u00fac<\/strong>. Nh\u1eefng \u1ed1ng n\u00e0y ph\u1ea3i ch\u1ecbu \u0111\u01b0\u1ee3c c\u00e1c t\u00e1c \u0111\u1ed9ng khi l\u1eafp \u0111\u1eb7t, t\u1ea3i tr\u1ecdng t\u1eeb \u0111\u1ea5t v\u00e0 c\u00e1c t\u1eafc ngh\u1ebdn c\u00f3 th\u1ec3 x\u1ea3y ra m\u00e0 kh\u00f4ng b\u1ecb n\u1ee9t v\u1ee1.<\/p>","protected":false},"featured_media":621,"template":"","adweb_product_categories":[70,19],"adweb_product_tags":[245,247,243,244,246,251,252,250,248,249],"class_list":["post-694","products","type-products","status-publish","has-post-thumbnail","hentry","adweb_product_cat-pvc-extrusion-grade-granules","adweb_product_cat-pvc-granules","adweb_product_tag-buy-pvc-u-granules-for-dwv-pipes","adweb_product_tag-cheap-pvc-u-granules-for-dwv-pipes","adweb_product_tag-china-pvc-u-granules-for-dwv-pipes","adweb_product_tag-high-quality-pvc-u-granules-for-dwv-pipes","adweb_product_tag-hot-sale-pvc-u-granules-for-dwv-pipes","adweb_product_tag-pvc-u-granules-for-dwv-pipes-factory","adweb_product_tag-pvc-u-granules-for-dwv-pipes-for-sale","adweb_product_tag-pvc-u-granules-for-dwv-pipes-manufacturer","adweb_product_tag-pvc-u-granules-for-dwv-pipes-price","adweb_product_tag-pvc-u-granules-for-dwv-pipes-wholesale"],"gallery":[625,624,619],"order":"0","acf":[],"_links":{"self":[{"href":"https:\/\/www.dstpvc.com\/vi\/wp-json\/wp\/v2\/adweb_products\/694","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.dstpvc.com\/vi\/wp-json\/wp\/v2\/adweb_products"}],"about":[{"href":"https:\/\/www.dstpvc.com\/vi\/wp-json\/wp\/v2\/types\/products"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.dstpvc.com\/vi\/wp-json\/wp\/v2\/media\/621"}],"wp:attachment":[{"href":"https:\/\/www.dstpvc.com\/vi\/wp-json\/wp\/v2\/media?parent=694"}],"wp:term":[{"taxonomy":"adweb_product_cat","embeddable":true,"href":"https:\/\/www.dstpvc.com\/vi\/wp-json\/wp\/v2\/adweb_product_categories?post=694"},{"taxonomy":"adweb_product_tag","embeddable":true,"href":"https:\/\/www.dstpvc.com\/vi\/wp-json\/wp\/v2\/adweb_product_tags?post=694"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}