{"id":2853,"date":"2026-08-06T17:29:57","date_gmt":"2026-08-06T09:29:57","guid":{"rendered":"http:\/\/0"},"modified":"2026-08-06T09:26:14","modified_gmt":"2026-08-06T01:26:14","slug":"why-water-assist-injection-molding-speeds-up-pipe-cooling","status":"publish","type":"post","link":"https:\/\/www.jcinjectionmolding.com\/vi\/blog\/why-water-assist-injection-molding-speeds-up-pipe-cooling\/","title":{"rendered":"T\u1ea1i Sao \u0110\u00fac Phun H\u1ed7 Tr\u1ee3 N\u01b0\u1edbc T\u0103ng T\u1ed1c L\u00e0m Ngu\u1ed9i \u1ed0ng"},"content":{"rendered":"<article style=\"font-family: -apple-system, BlinkMacSystemFont, &#039;Segoe UI&#039;, Roboto, Helvetica, Arial, sans-serif;color: #333333;width: 100%\">\n<section style=\"margin-bottom: 30px\">\n<p style=\"font-size: 18px;line-height: 1.8em;text-align: left;margin-bottom: 24px\">S\u1ea3n xu\u1ea5t \u1ed1ng v\u1eadn chuy\u1ec3n ch\u1ea5t l\u1ecfng th\u00e0nh d\u00e0y, \u0111\u01b0\u1eddng \u1ed1ng l\u00e0m m\u00e1t \u00f4 t\u00f4 v\u00e0 tay c\u1ea7m k\u1ebft c\u1ea5u \u0111\u00f2i h\u1ecfi ph\u1ea3i lo\u1ea1i b\u1ecf l\u00f5i b\u00ean trong \u0111\u1ec3 gi\u1ea3m l\u01b0\u1ee3ng v\u1eadt li\u1ec7u s\u1eed d\u1ee5ng v\u00e0 r\u00fat ng\u1eafn th\u1eddi gian chu k\u1ef3. \u0110\u00fac h\u1ed7 tr\u1ee3 b\u1eb1ng kh\u00ed t\u1ea1o ra c\u00e1c k\u00eanh r\u1ed7ng m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3, nh\u01b0ng kh\u00ed nit\u01a1 c\u00f3 nhi\u1ec7t dung th\u1ea5p, d\u1eabn \u0111\u1ebfn \u0111\u1ed9 tr\u1ec5 l\u00e0m m\u00e1t l\u00e2u \u0111\u1ed1i v\u1edbi th\u00e0nh polymer d\u00e0y. Ch\u1ec9 \u0111\u1ecbnh \u00e1p su\u1ea5t cao <strong>\u0111\u00fac phun h\u1ed7 tr\u1ee3 b\u1eb1ng n\u01b0\u1edbc<\/strong> kh\u1eafc ph\u1ee5c nh\u1eefng h\u1ea1n ch\u1ebf nhi\u1ec7t n\u00e0y b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng n\u01b0\u1edbc c\u00f3 \u00e1p su\u1ea5t \u0111\u1ec3 t\u1ea1o l\u00f5i nh\u1ef1a n\u00f3ng ch\u1ea3y. JUCHENG v\u1eadn h\u00e0nh c\u00e1c t\u1ebf b\u00e0o s\u1ea3n xu\u1ea5t h\u1ed7 tr\u1ee3 b\u1eb1ng n\u01b0\u1edbc chuy\u00ean d\u1ee5ng, s\u1ea3n xu\u1ea5t c\u00e1c k\u00eanh ch\u1ea5t l\u1ecfng b\u1eb1ng nh\u1ef1a r\u1ed7ng theo \u0111\u00fang t\u1ec7p CAD k\u1ef9 thu\u1eadt c\u1ee7a kh\u00e1ch h\u00e0ng.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2858\" src=\"https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/water-assist-injection-molding-unit.webp\" alt=\"water-assist-injection-molding-unit\" width=\"1376\" height=\"768\" srcset=\"https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/water-assist-injection-molding-unit.webp 1376w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/water-assist-injection-molding-unit-300x167.webp 300w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/water-assist-injection-molding-unit-1024x572.webp 1024w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/water-assist-injection-molding-unit-768x429.webp 768w\" sizes=\"auto, (max-width: 1376px) 100vw, 1376px\" \/><\/p>\n<\/section>\n<p><!-- Table of Contents --><\/p>\n<section style=\"background-color: #f8f9fa;border-left: 4px solid #0056b3;padding: 24px;border-radius: 6px;margin: 40px 0\">\n<h3 style=\"font-size: 22px;font-weight: bold;line-height: 1.5em;margin-top: 0;margin-bottom: 16px;color: #111111\">M\u1ee5c l\u1ee5c<\/h3>\n<ul style=\"list-style-type: none;padding-left: 0;margin: 0\">\n<li style=\"margin-bottom: 12px\"><a style=\"color: #0056b3;text-decoration: none;font-size: 17px;font-weight: 500\" href=\"#water-injection-tech\">1. C\u00f4ng ngh\u1ec7 phun n\u01b0\u1edbc cho k\u00eanh ch\u1ea5t l\u1ecfng r\u1ed7ng &amp; \u1ed1ng \u00f4 t\u00f4<\/a><\/li>\n<li style=\"margin-bottom: 12px\"><a style=\"color: #0056b3;text-decoration: none;font-size: 17px;font-weight: 500\" href=\"#cooling-surface-finish\">2. T\u1ed1c \u0111\u1ed9 l\u00e0m m\u00e1t trong khoang t\u0103ng t\u1ed1c &amp; b\u1ec1 m\u1eb7t b\u00ean trong nh\u1eb5n m\u1ecbn<\/a><\/li>\n<li style=\"margin-bottom: 0\"><a style=\"color: #0056b3;text-decoration: none;font-size: 17px;font-weight: 500\" href=\"#material-compatibility\">3. Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1eadt li\u1ec7u: PA66, PBT &amp; \u0111\u01b0\u1eddng \u1ed1ng ch\u1ea5t l\u1ecfng polypropylene<\/a><\/li>\n<\/ul>\n<\/section>\n<p><!-- Section 1 --><\/p>\n<section id=\"water-injection-tech\" style=\"margin-bottom: 50px\">\n<h2 style=\"font-size: 28px;line-height: 1.5em;font-weight: bold;margin-top: 40px;margin-bottom: 24px;color: #111111;border-bottom: 1px solid #eaeaea;padding-bottom: 8px\">C\u00f4ng ngh\u1ec7 phun n\u01b0\u1edbc cho k\u00eanh ch\u1ea5t l\u1ecfng r\u1ed7ng &amp; \u1ed1ng \u00f4 t\u00f4<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2854\" src=\"https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/water-injector-pin-mold-core.webp\" alt=\"water-injector-pin-mold-core\" width=\"1376\" height=\"768\" srcset=\"https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/water-injector-pin-mold-core.webp 1376w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/water-injector-pin-mold-core-300x167.webp 300w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/water-injector-pin-mold-core-1024x572.webp 1024w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/water-injector-pin-mold-core-768x429.webp 768w\" sizes=\"auto, (max-width: 1376px) 100vw, 1376px\" \/><\/p>\n<p style=\"font-size: 18px;line-height: 1.8em;text-align: left;margin-bottom: 24px\">S\u1eed d\u1ee5ng <strong>c\u00f4ng ngh\u1ec7 phun n\u01b0\u1edbc<\/strong> bao g\u1ed3m vi\u1ec7c phun n\u01b0\u1edbc c\u00f3 \u00e1p su\u1ea5t v\u00e0o trung t\u00e2m c\u1ee7a khoang khu\u00f4n \u0111\u01b0\u1ee3c \u0111i\u1ec1n m\u1ed9t ph\u1ea7n. N\u01b0\u1edbc \u00e1p su\u1ea5t cao \u0111\u1ea9y l\u00f5i polymer n\u00f3ng ch\u1ea3y, \u0111\u1ea9y nh\u1ef1a l\u1ecfng v\u1ec1 ph\u00eda tr\u01b0\u1edbc v\u00e0o c\u00e1c gi\u1ebfng tr\u00e0n ho\u1eb7c c\u00e1c ph\u1ea7n ch\u01b0a \u0111\u01b0\u1ee3c \u0111i\u1ec1n c\u1ee7a khoang. N\u01b0\u1edbc ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t m\u00f4i tr\u01b0\u1eddng l\u1ecfng kh\u00f4ng n\u00e9n \u0111\u01b0\u1ee3c, duy tr\u00ec \u0111\u1ed9 d\u00e0y th\u00e0nh \u0111\u1ed3ng \u0111\u1ec1u d\u1ecdc theo c\u00e1c \u0111\u01b0\u1eddng cong \u1ed1ng ba chi\u1ec1u ph\u1ee9c t\u1ea1p. \u00c1p su\u1ea5t n\u01b0\u1edbc kh\u00f4ng n\u00e9n \u0111\u01b0\u1ee3c ng\u0103n ch\u1eb7n s\u1ef1 s\u1ee5p \u0111\u1ed5 c\u1ee7a th\u00e0nh v\u00e0 duy tr\u00ec \u0111\u01b0\u1eddng k\u00ednh k\u00eanh b\u00ean trong nh\u1ea5t qu\u00e1n trong su\u1ed1t chu k\u1ef3 l\u00e0m m\u00e1t. \u1ed0ng ch\u1ea5t l\u1ecfng \u00f4 t\u00f4 \u0111\u01b0\u1ee3c \u0111\u00fac v\u1edbi s\u1ef1 h\u1ed7 tr\u1ee3 c\u1ee7a n\u01b0\u1edbc cung c\u1ea5p c\u00e1c \u0111\u01b0\u1eddng d\u1eabn d\u00f2ng ch\u1ea3y nh\u1eb5n, kh\u00f4ng b\u1ecb c\u1ea3n tr\u1edf cho ch\u1ea5t l\u00e0m m\u00e1t \u0111\u1ed9ng c\u01a1 v\u00e0 d\u1ea7u th\u1ee7y l\u1ef1c.<\/p>\n<p><!-- Numbered List --><\/p>\n<p style=\"font-size: 18px;line-height: 1.8em;text-align: left;margin-bottom: 16px\">Tr\u00ecnh t\u1ef1 quy tr\u00ecnh phun h\u1ed7 tr\u1ee3 b\u1eb1ng n\u01b0\u1edbc bao g\u1ed3m:<\/p>\n<ol style=\"font-size: 18px;line-height: 1.8em;margin-bottom: 24px;padding-left: 24px;list-style-type: decimal\">\n<li style=\"margin-bottom: 12px;text-align: left\"><strong>\u0110\u1ecbnh l\u01b0\u1ee3ng m\u1ed9t ph\u1ea7n nh\u1ef1a<\/strong>\u2014Ti\u00eam m\u1ed9t th\u1ec3 t\u00edch ch\u00ednh x\u00e1c polymer n\u00f3ng ch\u1ea3y chu\u1ea9n b\u1ecb khoang cho s\u1ef1 d\u1ecbch chuy\u1ec3n l\u00f5i ch\u1ea5t l\u1ecfng.<\/li>\n<li style=\"margin-bottom: 12px;text-align: left\"><strong>N\u01b0\u1edbc \u00e1p su\u1ea5t cao x\u00e2m nh\u1eadp<\/strong>\u2014B\u01a1m n\u01b0\u1edbc c\u00f3 \u00e1p su\u1ea5t qua c\u00e1c ch\u1ed1t kim phun chuy\u00ean d\u1ee5ng t\u1ea1o l\u00f5i ra trung t\u00e2m polymer n\u00f3ng ch\u1ea3y.<\/li>\n<li style=\"margin-bottom: 12px;text-align: left\"><strong>Tu\u1ea7n ho\u00e0n n\u01b0\u1edbc n\u1ed9i b\u1ed9<\/strong>\u2014N\u01b0\u1edbc l\u1ea1nh tu\u1ea7n ho\u00e0n qua l\u00f5i r\u1ed7ng tr\u00edch xu\u1ea5t n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t tr\u1ef1c ti\u1ebfp t\u1eeb th\u00e0nh b\u00ean trong.<\/li>\n<li style=\"margin-bottom: 12px;text-align: left\"><strong>X\u1ea3 n\u01b0\u1edbc v\u00e0 x\u1ea3 kh\u00ed<\/strong>\u2014Vi\u1ec7c h\u00fat n\u01b0\u1edbc b\u00ean trong b\u1eb1ng kh\u00ed n\u00e9n s\u1ebd l\u00e0m kh\u00f4 k\u00eanh r\u1ed7ng tr\u01b0\u1edbc khi m\u1edf khu\u00f4n.<\/li>\n<\/ol>\n<\/section>\n<p><!-- Section 2 --><\/p>\n<section id=\"cooling-surface-finish\" style=\"margin-bottom: 50px\">\n<h2 style=\"font-size: 28px;line-height: 1.5em;font-weight: bold;margin-top: 40px;margin-bottom: 24px;color: #111111;border-bottom: 1px solid #eaeaea;padding-bottom: 8px\">T\u1ed1c \u0111\u1ed9 l\u00e0m ngu\u1ed9i trong khoang \u0111\u01b0\u1ee3c t\u0103ng t\u1ed1c &amp; b\u1ec1 m\u1eb7t b\u00ean trong nh\u1eb5n m\u1ecbn<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2857\" src=\"https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/smooth-inner-wall-pipe-comparison.webp\" alt=\"smooth-inner-wall-pipe-comparison\" width=\"1376\" height=\"768\" srcset=\"https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/smooth-inner-wall-pipe-comparison.webp 1376w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/smooth-inner-wall-pipe-comparison-300x167.webp 300w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/smooth-inner-wall-pipe-comparison-1024x572.webp 1024w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/smooth-inner-wall-pipe-comparison-768x429.webp 768w\" sizes=\"auto, (max-width: 1376px) 100vw, 1376px\" \/><\/p>\n<p style=\"font-size: 18px;line-height: 1.8em;text-align: left;margin-bottom: 24px\">\u0110\u1ea1t \u0111\u01b0\u1ee3c <strong>t\u1ed1c \u0111\u1ed9 l\u00e0m ngu\u1ed9i trong khoang \u0111\u01b0\u1ee3c t\u0103ng t\u1ed1c<\/strong> l\u00e0 l\u1ee3i th\u1ebf v\u1eadt l\u00fd ch\u00ednh c\u1ee7a qu\u00e1 tr\u00ecnh gia c\u00f4ng h\u1ed7 tr\u1ee3 b\u1eb1ng n\u01b0\u1edbc so v\u1edbi h\u1ed7 tr\u1ee3 b\u1eb1ng kh\u00ed. N\u01b0\u1edbc c\u00f3 \u0111\u1ed9 d\u1eabn nhi\u1ec7t v\u00e0 nhi\u1ec7t dung v\u01b0\u1ee3t tr\u1ed9i h\u01a1n h\u1eb3n so v\u1edbi kh\u00ed nit\u01a1. Ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp gi\u1eefa n\u01b0\u1edbc l\u1ea1nh v\u00e0 th\u00e0nh polymer b\u00ean trong gi\u00fap tr\u00edch xu\u1ea5t n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t nhanh ch\u00f3ng t\u1eeb c\u1ea3 hai ph\u00eda c\u1ee7a th\u00e0nh chi ti\u1ebft. Th\u1eddi gian l\u00e0m ngu\u1ed9i gi\u1ea3m t\u1edbi 70% so v\u1edbi \u0111\u00fac phun \u0111\u1eb7c, r\u00fat ng\u1eafn \u0111\u00e1ng k\u1ec3 t\u1ed5ng th\u1eddi gian chu k\u1ef3 \u0111\u1ed1i v\u1edbi c\u00e1c chi ti\u1ebft k\u1ebft c\u1ea5u d\u00e0y. Mang l\u1ea1i <a href=\"https:\/\/www.jcinjectionmolding.com\/vi\/service\/surface-finishes\/\"><strong>b\u1ec1 m\u1eb7t b\u00ean trong nh\u1eb5n m\u1ecbn<\/strong><\/a> kh\u00f4ng c\u00f3 m\u1ea1ng polymer d\u01b0 hay t\u1ea1o b\u1ecdt da b\u00ean trong \u0111\u1ea3m b\u1ea3o \u0111\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u01b0u t\u1ed1i \u01b0u trong c\u00e1c \u1ed1ng d\u1eabn l\u00e0m m\u00e1t \u00f4 t\u00f4.<\/p>\n<\/section>\n<p><!-- Section 3 --><\/p>\n<section id=\"material-compatibility\" style=\"margin-bottom: 50px\">\n<h2 style=\"font-size: 28px;line-height: 1.5em;font-weight: bold;margin-top: 40px;margin-bottom: 24px;color: #111111;border-bottom: 1px solid #eaeaea;padding-bottom: 8px\">T\u01b0\u01a1ng th\u00edch v\u1eadt li\u1ec7u: PA66, PBT &amp; \u0111\u01b0\u1eddng d\u1eabn ch\u1ea5t l\u1ecfng polypropylene<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2855\" src=\"https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/glass-filled-pa66-resin-pellets.webp\" alt=\"glass-filled-pa66-resin-pellets\" width=\"1376\" height=\"768\" srcset=\"https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/glass-filled-pa66-resin-pellets.webp 1376w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/glass-filled-pa66-resin-pellets-300x167.webp 300w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/glass-filled-pa66-resin-pellets-1024x572.webp 1024w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/glass-filled-pa66-resin-pellets-768x429.webp 768w\" sizes=\"auto, (max-width: 1376px) 100vw, 1376px\" \/><\/p>\n<p style=\"font-size: 18px;line-height: 1.8em;text-align: left;margin-bottom: 24px\">Vi\u1ec7c l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u quy\u1ebft \u0111\u1ecbnh kh\u1ea3 n\u0103ng ch\u1ed1ng h\u00f3a ch\u1ea5t v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh th\u1ee7y ph\u00e2n c\u1ee7a c\u00e1c \u1ed1ng d\u1eabn ch\u1ea5t l\u1ecfng r\u1ed7ng. C\u00e1c polymer ph\u00f9 h\u1ee3p cho qu\u00e1 tr\u00ecnh gia c\u00f4ng h\u1ed7 tr\u1ee3 b\u1eb1ng n\u01b0\u1edbc bao g\u1ed3m <strong>PA66-GF30<\/strong>, <a href=\"https:\/\/www.jcinjectionmolding.com\/vi\/materials\/polybutylene-terephthalate-pbt\/\"><strong>PBT<\/strong><\/a>, v\u00e0 <strong>polypropylene (PP)<\/strong>. C\u00e1c c\u1ea5p nh\u1ef1a ph\u1ea3i ch\u1ed1ng l\u1ea1i s\u1ef1 tho\u00e1i h\u00f3a th\u1ee7y ph\u00e2n t\u1ea1m th\u1eddi trong qu\u00e1 tr\u00ecnh ti\u1ebfp x\u00fac ng\u1eafn v\u1edbi n\u01b0\u1edbc nhi\u1ec7t \u0111\u1ed9 cao. Vi\u1ec7c pha ch\u1ebf polyamide v\u1edbi c\u00e1c ch\u1ea5t \u1ed5n \u0111\u1ecbnh th\u1ee7y ph\u00e2n chuy\u00ean d\u1ee5ng ng\u0103n ng\u1eeba s\u1ef1 c\u1eaft m\u1ea1ch polymer trong giai \u0111o\u1ea1n phun. C\u00e1c k\u1ef9 s\u01b0 ch\u1ecdn c\u00e1c c\u1ea5p gia c\u01b0\u1eddng s\u1ee3i th\u1ee7y tinh \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng ch\u1ecbu \u00e1p su\u1ea5t n\u1ed5 cao trong c\u00e1c \u0111\u01b0\u1eddng d\u1eabn ch\u1ea5t l\u00e0m m\u00e1t d\u01b0\u1edbi n\u1eafp ca-p\u00f4 \u00f4 t\u00f4.<\/p>\n<p><!-- Table 1: WIT Resin Comparison Table --><\/p>\n<div style=\"margin: 32px 0\">\n<table style=\"width: 100%;border-collapse: collapse;font-size: 16px;text-align: left;min-width: 600px\">\n<thead>\n<tr style=\"background-color: #f8f9fa;border-bottom: 2px solid #dee2e6\">\n<th style=\"padding: 16px;border: 1px solid #dee2e6;font-weight: 600;color: #111111\">C\u1ea5p polymer WIT m\u1ee5c ti\u00eau<\/th>\n<th style=\"padding: 16px;border: 1px solid #dee2e6;font-weight: 600;color: #111111\">\u00c1p su\u1ea5t n\u01b0\u1edbc (bar)<\/th>\n<th style=\"padding: 16px;border: 1px solid #dee2e6;font-weight: 600;color: #111111\">\u0110\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t th\u00e0nh trong<\/th>\n<th style=\"padding: 16px;border: 1px solid #dee2e6;font-weight: 600;color: #111111\">Gi\u1ea3m th\u1eddi gian l\u00e0m m\u00e1t (%)<\/th>\n<th style=\"padding: 16px;border: 1px solid #dee2e6;font-weight: 600;color: #111111\">Chi ti\u1ebft \u1ed1ng d\u1eabn WIT ch\u00ednh<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"border-bottom: 1px solid #dee2e6\">\n<td style=\"padding: 16px;border: 1px solid #dee2e6;color: #333333\">PA66-GF30 (Zytel 70G33L)<\/td>\n<td style=\"padding: 16px;border: 1px solid #dee2e6;color: #333333\">150 \u2013 250 bar<\/td>\n<td style=\"padding: 16px;border: 1px solid #dee2e6;color: #333333\">M\u1ecbn (Ra &lt; 1,6 \u03bcm)<\/td>\n<td style=\"padding: 16px;border: 1px solid #dee2e6;color: #333333\">50% \u2013 70%<\/td>\n<td style=\"padding: 16px;border: 1px solid #dee2e6;color: #333333\">\u1ed0ng k\u00e9t n\u01b0\u1edbc &amp; \u1ed1ng d\u1ea7u \u00f4 t\u00f4<\/td>\n<\/tr>\n<tr style=\"border-bottom: 1px solid #dee2e6\">\n<td style=\"padding: 16px;border: 1px solid #dee2e6;color: #333333\">PBT-GF30\uff08Valox 420\uff09<\/td>\n<td style=\"padding: 16px;border: 1px solid #dee2e6;color: #333333\">180 \u2013 280 bar<\/td>\n<td style=\"padding: 16px;border: 1px solid #dee2e6;color: #333333\">M\u1ecbn nh\u01b0 th\u1ee7y tinh (Ra &lt; 1,2 \u03bcm)<\/td>\n<td style=\"padding: 16px;border: 1px solid #dee2e6;color: #333333\">55% \u2013 70%<\/td>\n<td style=\"padding: 16px;border: 1px solid #dee2e6;color: #333333\">V\u1ecf van h\u1eb1ng nhi\u1ec7t l\u00e0m m\u00e1t \u0111\u1ed9ng c\u01a1<\/td>\n<\/tr>\n<tr style=\"border-bottom: 1px solid #dee2e6\">\n<td style=\"padding: 16px;border: 1px solid #dee2e6;color: #333333\">Polypropylene (PP-HP500N)<\/td>\n<td style=\"padding: 16px;border: 1px solid #dee2e6;color: #333333\">100 \u2013 200 bar<\/td>\n<td style=\"padding: 16px;border: 1px solid #dee2e6;color: #333333\">M\u1ecbn (Ra &lt; 2,0 \u03bcm)<\/td>\n<td style=\"padding: 16px;border: 1px solid #dee2e6;color: #333333\">40% \u2013 60%<\/td>\n<td style=\"padding: 16px;border: 1px solid #dee2e6;color: #333333\">\u0110\u01b0\u1eddng d\u1eabn ch\u1ea5t l\u1ecfng v\u00e0 tay n\u1eafm c\u1eeda thi\u1ebft b\u1ecb gia d\u1ee5ng<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/section>\n<p><!-- FAQ Section --><\/p>\n<section id=\"faq\" style=\"margin-bottom: 40px\">\n<h2 style=\"font-size: 28px;line-height: 1.5em;font-weight: bold;margin-top: 40px;margin-bottom: 24px;color: #111111;border-bottom: 1px solid #eaeaea;padding-bottom: 8px\">C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p (FAQ)<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2856\" src=\"https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/measuring-plastic-pipe-inner-roughness.webp\" alt=\"measuring-plastic-pipe-inner-roughness\" width=\"1376\" height=\"768\" srcset=\"https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/measuring-plastic-pipe-inner-roughness.webp 1376w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/measuring-plastic-pipe-inner-roughness-300x167.webp 300w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/measuring-plastic-pipe-inner-roughness-1024x572.webp 1024w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/measuring-plastic-pipe-inner-roughness-768x429.webp 768w\" sizes=\"auto, (max-width: 1376px) 100vw, 1376px\" \/><\/p>\n<div style=\"margin-bottom: 30px\">\n<h3 style=\"font-size: 22px;line-height: 1.5em;font-weight: bold;margin-top: 24px;margin-bottom: 12px;color: #111111\">T\u1ea1i sao \u0111\u00fac phun h\u1ed7 tr\u1ee3 b\u1eb1ng n\u01b0\u1edbc l\u1ea1i nhanh h\u01a1n \u0111\u00fac h\u1ed7 tr\u1ee3 b\u1eb1ng kh\u00ed?<\/h3>\n<p style=\"font-size: 18px;line-height: 1.8em;text-align: left;margin-bottom: 24px\">N\u01b0\u1edbc c\u00f3 nhi\u1ec7t dung ri\u00eang v\u00e0 \u0111\u1ed9 d\u1eabn nhi\u1ec7t cao h\u01a1n \u0111\u00e1ng k\u1ec3 so v\u1edbi kh\u00ed nit\u01a1. Vi\u1ec7c phun n\u01b0\u1edbc l\u1ea1nh tr\u1ef1c ti\u1ebfp v\u00e0o l\u00f5i r\u1ed7ng gi\u00fap h\u00fat nhi\u1ec7t t\u1eeb b\u00ean trong th\u00e0nh chi ti\u1ebft, trong khi c\u00e1c k\u00eanh n\u01b0\u1edbc l\u00e0m m\u00e1t khu\u00f4n l\u00e0m m\u00e1t b\u00ean ngo\u00e0i, gi\u00fap gi\u1ea3m th\u1eddi gian chu k\u1ef3 t\u1edbi 70%.<\/p>\n<\/div>\n<div style=\"margin-bottom: 30px\">\n<h3 style=\"font-size: 22px;line-height: 1.5em;font-weight: bold;margin-top: 24px;margin-bottom: 12px;color: #111111\">L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 \u0111\u00fac h\u1ed7 tr\u1ee3 b\u1eb1ng n\u01b0\u1edbc t\u1ea1o ra th\u00e0nh \u1ed1ng b\u00ean trong nh\u1eb5n m\u1ecbn h\u01a1n?<\/h3>\n<p style=\"font-size: 18px;line-height: 1.8em;text-align: left;margin-bottom: 24px\">N\u01b0\u1edbc l\u00e0 ch\u1ea5t l\u1ecfng kh\u00f4ng n\u00e9n \u0111\u01b0\u1ee3c, \u0111\u1ea9y nh\u1ef1a n\u00f3ng ch\u1ea3y \u00e9p v\u00e0o th\u00e0nh khoang v\u1edbi \u00e1p su\u1ea5t th\u1ee7y t\u0129nh \u0111\u1ed3ng \u0111\u1ec1u. \u00c1p su\u1ea5t ch\u1ea5t l\u1ecfng \u0111\u1ed3ng \u0111\u1ec1u ng\u0103n ng\u1eeba hi\u1ec7n t\u01b0\u1ee3ng kh\u00ed t\u1ea1o ng\u00f3n tay, t\u1ea1o b\u1ecdt ho\u1eb7c r\u1ed7 kh\u00ed b\u00ean trong th\u00e0nh, t\u1ea1o ra \u0111\u01b0\u1eddng k\u00ednh trong nh\u1eb5n nh\u01b0 th\u1ee7y tinh, ph\u00f9 h\u1ee3p cho d\u00f2ng ch\u1ea5t l\u1ecfng t\u1ed1c \u0111\u1ed9 cao.<\/p>\n<\/div>\n<div style=\"margin-bottom: 0\">\n<h3 style=\"font-size: 22px;line-height: 1.5em;font-weight: bold;margin-top: 24px;margin-bottom: 12px;color: #111111\">\u0110i\u1ec1u g\u00ec x\u1ea3y ra v\u1edbi n\u01b0\u1edbc b\u00ean trong chi ti\u1ebft tr\u01b0\u1edbc khi m\u1edf khu\u00f4n?<\/h3>\n<p style=\"font-size: 18px;line-height: 1.8em;text-align: left;margin-bottom: 24px\">Tr\u01b0\u1edbc khi m\u1edf khu\u00f4n, kh\u00ed n\u00e9n \u00e1p su\u1ea5t cao \u0111\u01b0\u1ee3c th\u1ed5i \u0111\u1ec3 \u0111\u1ea9y n\u01b0\u1edbc b\u00ean trong ra ngo\u00e0i qua c\u00e1c van x\u1ea3, quay tr\u1edf l\u1ea1i b\u1ec3 thu h\u1ed3i. Vi\u1ec7c th\u1ed5i kh\u00ed l\u00e0m kh\u00f4 ho\u00e0n to\u00e0n k\u00eanh r\u1ed7ng b\u00ean trong, ng\u0103n ng\u1eeba n\u01b0\u1edbc tr\u00e0n l\u00ean b\u00e0n \u00e9p trong qu\u00e1 tr\u00ecnh \u0111\u1ea9y chi ti\u1ebft ra.<\/p>\n<\/div>\n<\/section>\n<\/article>","protected":false},"excerpt":{"rendered":"<p>Manufacturing heavy-walled fluid transport pipes, automotive coolant lines, and structural handles requires internal core evacuation to reduce material usage and shorten cycle times. Gas-assisted molding effectively creates hollow channels, but nitrogen gas possesses low heat capacity, resulting in long cooling delays for thick polymer walls. Specifying high-pressure water assist injection molding overcomes these thermal limitations [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2859,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2853","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/www.jcinjectionmolding.com\/vi\/wp-json\/wp\/v2\/posts\/2853","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.jcinjectionmolding.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.jcinjectionmolding.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.jcinjectionmolding.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.jcinjectionmolding.com\/vi\/wp-json\/wp\/v2\/comments?post=2853"}],"version-history":[{"count":0,"href":"https:\/\/www.jcinjectionmolding.com\/vi\/wp-json\/wp\/v2\/posts\/2853\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.jcinjectionmolding.com\/vi\/wp-json\/wp\/v2\/media\/2859"}],"wp:attachment":[{"href":"https:\/\/www.jcinjectionmolding.com\/vi\/wp-json\/wp\/v2\/media?parent=2853"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.jcinjectionmolding.com\/vi\/wp-json\/wp\/v2\/categories?post=2853"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.jcinjectionmolding.com\/vi\/wp-json\/wp\/v2\/tags?post=2853"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}