{"id":2874,"date":"2026-08-08T10:03:58","date_gmt":"2026-08-08T02:03:58","guid":{"rendered":"http:\/\/0"},"modified":"2026-08-04T17:52:45","modified_gmt":"2026-08-04T09:52:45","slug":"microcellular-foam-injection-molding-eliminates-sink-marks","status":"publish","type":"post","link":"https:\/\/www.jcinjectionmolding.com\/vi\/blog\/microcellular-foam-injection-molding-eliminates-sink-marks\/","title":{"rendered":"Microcellular Foam Injection Molding Eliminates Sink Marks"},"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\">C\u00e1c nh\u00e0 thi\u1ebft k\u1ebf k\u1ebft c\u1ea5u \u00f4 t\u00f4 v\u00e0 k\u1ef9 s\u01b0 bao b\u00ec c\u00f4ng nghi\u1ec7p \u0111\u1ed1i m\u1eb7t v\u1edbi \u00e1p l\u1ef1c li\u00ean t\u1ee5c trong vi\u1ec7c gi\u1ea3m kh\u1ed1i l\u01b0\u1ee3ng chi ti\u1ebft m\u00e0 kh\u00f4ng l\u00e0m gi\u1ea3m \u0111\u1ed9 c\u1ee9ng u\u1ed1n c\u01a1 h\u1ecdc. C\u00e1c chi ti\u1ebft nh\u1ef1a \u0111\u1eb7c c\u00f3 th\u00e0nh d\u00e0y b\u1ecb co nhi\u1ec7t c\u1ee5c b\u1ed9, t\u1ea1o ra v\u1ebft l\u00f5m b\u1ec1 m\u1eb7t kh\u00f3 coi, \u1ee9ng su\u1ea5t n\u1ed9i cao v\u00e0 th\u1eddi gian l\u00e0m ngu\u1ed9i k\u00e9o d\u00e0i. Vi\u1ec7c phun ch\u1ea5t t\u1ea1o b\u1ecdt v\u1eadt l\u00fd v\u00e0o nh\u1ef1a nhi\u1ec7t d\u1ebbo n\u00f3ng ch\u1ea3y t\u1ea1o ra \u00e1p su\u1ea5t kh\u00ed b\u00ean trong ch\u1ed1ng l\u1ea1i s\u1ef1 co th\u1ec3 t\u00edch \u0111\u1ed3ng th\u1eddi gi\u1ea3m tr\u1ecdng l\u01b0\u1ee3ng chi ti\u1ebft. H\u01b0\u1edbng d\u1eabn k\u1ef9 thu\u1eadt n\u00e0y xem x\u00e9t x\u1eed l\u00fd ch\u1ea5t l\u1ecfng si\u00eau t\u1edbi h\u1ea1n v\u1eadt l\u00fd, c\u01a1 ch\u1ebf gi\u1ea3m \u00e1p su\u1ea5t khoang khu\u00f4n v\u00e0 \u1ee9ng d\u1ee5ng polyme k\u1ebft c\u1ea5u.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2875\" src=\"https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/supercritical-fluid-dosing-unit.webp\" alt=\"supercritical-fluid-dosing-unit\" width=\"1376\" height=\"768\" srcset=\"https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/supercritical-fluid-dosing-unit.webp 1376w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/supercritical-fluid-dosing-unit-300x167.webp 300w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/supercritical-fluid-dosing-unit-1024x572.webp 1024w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/supercritical-fluid-dosing-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=\"#mucell-foaming\">1. C\u00f4ng ngh\u1ec7 t\u1ea1o b\u1ecdt vi t\u1ebf b\u00e0o (MuCell) \u0111\u1ec3 gi\u1ea3m tr\u1ecdng l\u01b0\u1ee3ng<\/a><\/li>\n<li style=\"margin-bottom: 12px\"><a style=\"color: #0056b3;text-decoration: none;font-size: 17px;font-weight: 500\" href=\"#eliminating-sink-marks\">2. Lo\u1ea1i b\u1ecf v\u1ebft l\u00f5m b\u1ec1 m\u1eb7t &amp; gi\u1ea3m \u00e1p su\u1ea5t khoang khu\u00f4n b\u00ean trong<\/a><\/li>\n<li style=\"margin-bottom: 0\"><a style=\"color: #0056b3;text-decoration: none;font-size: 17px;font-weight: 500\" href=\"#structural-foaming\">3. T\u1ea1o b\u1ecdt polyme k\u1ebft c\u1ea5u cho v\u1ecf l\u1edbn &amp; linh ki\u1ec7n \u00f4 t\u00f4<\/a><\/li>\n<\/ul>\n<\/section>\n<p><!-- Section 1 --><\/p>\n<section id=\"mucell-foaming\" 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 t\u1ea1o b\u1ecdt vi t\u1ebf b\u00e0o (MuCell) \u0111\u1ec3 gi\u1ea3m tr\u1ecdng l\u01b0\u1ee3ng<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2879\" src=\"https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/mucell-microcell-structure-microscope.webp\" alt=\"mucell-microcell-structure-microscope\" width=\"1376\" height=\"768\" srcset=\"https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/mucell-microcell-structure-microscope.webp 1376w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/mucell-microcell-structure-microscope-300x167.webp 300w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/mucell-microcell-structure-microscope-1024x572.webp 1024w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/mucell-microcell-structure-microscope-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\">Th\u1ef1c hi\u1ec7n v\u1eadt l\u00fd <a href=\"https:\/\/www.jcinjectionmolding.com\/vi\/service\/custom-mold-making\/\"><strong>\u0111\u00fac phun b\u1ecdt<\/strong><\/a> s\u1eed d\u1ee5ng <strong>c\u00f4ng ngh\u1ec7 MuCell<\/strong> \u0111\u1ec3 h\u00f2a tan ch\u1ea5t l\u1ecfng si\u00eau t\u1edbi h\u1ea1n v\u00e0o nh\u1ef1a n\u00f3ng ch\u1ea3y. Vi\u1ec7c phun nit\u01a1 ho\u1eb7c carbon dioxide si\u00eau t\u1edbi h\u1ea1n v\u00e0o th\u00f9ng m\u00e1y \u1edf 15 \u0111\u1ebfn 25 MPa t\u1ea1o th\u00e0nh dung d\u1ecbch polyme-kh\u00ed m\u1ed9t pha. Khi dung d\u1ecbch m\u1ed9t pha \u0111i v\u00e0o khoang khu\u00f4n v\u00e0 tr\u1ea3i qua s\u1ef1 gi\u1ea3m \u00e1p su\u1ea5t nhanh, h\u00e0ng t\u1ef7 <strong>t\u1ebf b\u00e0o b\u1ecdt vi t\u1ebf b\u00e0o<\/strong> t\u1ea1o m\u1ea7m ngay l\u1eadp t\u1ee9c. Vi\u1ec7c t\u1ea1o ra c\u00e1c vi bong b\u00f3ng k\u00edn c\u00f3 k\u00edch th\u01b0\u1edbc 5 \u0111\u1ebfn 50 micron gi\u00fap gi\u1ea3m tr\u1ecdng l\u01b0\u1ee3ng chi ti\u1ebft t\u1eeb 10% \u0111\u1ebfn 20% trong khi v\u1eabn duy tr\u00ec m\u00f4 men qu\u00e1n t\u00ednh k\u1ebft c\u1ea5u. T\u1ea1o b\u1ecdt si\u00eau t\u1edbi h\u1ea1n v\u1eadt l\u00fd kh\u00f4ng \u0111\u1ec3 l\u1ea1i c\u1eb7n ph\u1ee5 ph\u1ea9m h\u00f3a h\u1ecdc, b\u1ea3o to\u00e0n \u0111\u1ed9 tinh khi\u1ebft v\u00e0 kh\u1ea3 n\u0103ng t\u00e1i ch\u1ebf c\u1ee7a nguy\u00ean li\u1ec7u.<\/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 qu\u00e1 tr\u00ecnh t\u1ea1o b\u1ecdt si\u00eau t\u1edbi h\u1ea1n 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>C\u1ea5p ch\u1ea5t l\u1ecfng si\u00eau t\u1edbi h\u1ea1n<\/strong>\u2014Phun kh\u00ed nit\u01a1 \u1edf tr\u1ea1ng th\u00e1i si\u00eau t\u1edbi h\u1ea1n \u0111\u1ea3m b\u1ea3o h\u00f2a tan ho\u00e0n to\u00e0n v\u00e0o nh\u1ef1a polyme n\u00f3ng ch\u1ea3y.<\/li>\n<li style=\"margin-bottom: 12px;text-align: left\"><strong>Tr\u1ed9n dung d\u1ecbch m\u1ed9t pha<\/strong>\u2014Tr\u1ed9n kh\u00ed v\u00e0 nh\u1ef1a n\u00f3ng ch\u1ea3y d\u01b0\u1edbi \u00e1p su\u1ea5t th\u00f9ng cao t\u1ea1o ra dung d\u1ecbch polyme-kh\u00ed \u0111\u1ed3ng nh\u1ea5t.<\/li>\n<li style=\"margin-bottom: 12px;text-align: left\"><strong>T\u1ea1o m\u1ea7m vi t\u1ebf b\u00e0o<\/strong>\u2014Gi\u1ea3m \u00e1p su\u1ea5t khi nh\u1ef1a n\u00f3ng ch\u1ea3y \u0111i v\u00e0o khoang khu\u00f4n k\u00edch ho\u1ea1t qu\u00e1 tr\u00ecnh t\u1ea1o m\u1ea7m nhanh ch\u00f3ng c\u1ee7a h\u00e0ng t\u1ef7 b\u1ecdt vi m\u00f4.<\/li>\n<li style=\"margin-bottom: 12px;text-align: left\"><strong>Gi\u00e3n n\u1edf khoang b\u00ean trong<\/strong>\u2014C\u00e1c b\u1ecdt kh\u00ed gi\u00e3n n\u1edf \u0111\u1ea9y nh\u1ef1a n\u00f3ng ch\u1ea3y ra ngo\u00e0i \u00e1p v\u00e0o th\u00e0nh khu\u00f4n, t\u1ea1o l\u1edbp da \u0111\u1eb7c v\u00e0 l\u00f5i x\u1ed1p.<\/li>\n<\/ol>\n<\/section>\n<p><!-- Section 2 --><\/p>\n<section id=\"eliminating-sink-marks\" 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\">Lo\u1ea1i b\u1ecf v\u1ebft l\u00f5m &amp; gi\u1ea3m \u00e1p su\u1ea5t khoang khu\u00f4n b\u00ean trong<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2880\" src=\"https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/sink-mark-comparison-plastic-part.webp\" alt=\"sink-mark-comparison-plastic-part\" width=\"1376\" height=\"768\" srcset=\"https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/sink-mark-comparison-plastic-part.webp 1376w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/sink-mark-comparison-plastic-part-300x167.webp 300w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/sink-mark-comparison-plastic-part-1024x572.webp 1024w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/sink-mark-comparison-plastic-part-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\">C\u00e1c b\u1ecdt vi m\u00f4 gi\u00e3n n\u1edf t\u1ea1o ra \u00e1p su\u1ea5t <strong>t\u1ef1 \u0111\u00f3ng g\u00f3i<\/strong> li\u00ean t\u1ee5c t\u1eeb b\u00ean trong l\u00f5i chi ti\u1ebft su\u1ed1t giai \u0111o\u1ea1n l\u00e0m ngu\u1ed9i. S\u1ef1 gi\u00e3n n\u1edf kh\u00ed b\u00ean trong \u0111\u1ea9y polyme \u0111ang ngu\u1ed9i \u00e1p v\u00e0o th\u00e9p khoang khu\u00f4n, lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n v\u1ebft l\u00f5m b\u1ec1 m\u1eb7t tr\u00ean c\u00e1c g\u00e2n k\u1ebft c\u1ea5u d\u00e0y. Gi\u1ea3m \u0111\u1ed9 nh\u1edbt nh\u1ef1a n\u00f3ng ch\u1ea3y nh\u1edd kh\u00ed h\u00f2a tan cho ph\u00e9p \u0111\u00fac phun x\u1ed1p \u1edf \u00e1p su\u1ea5t khoang th\u1ea5p h\u01a1n 30% \u0111\u1ebfn 50% so v\u1edbi \u0111\u00fac \u0111\u1eb7c. \u00c1p su\u1ea5t khoang gi\u1ea3m lo\u1ea1i b\u1ecf \u1ee9ng su\u1ea5t d\u01b0 trong khu\u00f4n v\u00e0 gi\u1ea3m thi\u1ec3u cong v\u00eanh chi ti\u1ebft, cho ph\u00e9p m\u00e1y \u00e9p c\u00f3 l\u1ef1c k\u1eb9p nh\u1ecf h\u01a1n \u0111\u00fac c\u00e1c n\u1eafp k\u1ebft c\u1ea5u l\u1edbn.<\/p>\n<\/section>\n<p><!-- Section 3 --><\/p>\n<section id=\"structural-foaming\" 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\u1ea1o x\u1ed1p polyme k\u1ebft c\u1ea5u cho v\u1ecf l\u1edbn &amp; linh ki\u1ec7n \u00f4 t\u00f4<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2876\" src=\"https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/automotive-engine-shroud-foamed-plastic.webp\" alt=\"automotive-engine-shroud-foamed-plastic\" width=\"1376\" height=\"768\" srcset=\"https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/automotive-engine-shroud-foamed-plastic.webp 1376w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/automotive-engine-shroud-foamed-plastic-300x167.webp 300w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/automotive-engine-shroud-foamed-plastic-1024x572.webp 1024w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/automotive-engine-shroud-foamed-plastic-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\">T\u1ea1o x\u1ed1p k\u1ebft c\u1ea5u ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 tr\u00ean nhi\u1ec1u lo\u1ea1i nh\u1ef1a k\u1ef9 thu\u1eadt, bao g\u1ed3m nh\u1ef1a gia c\u01b0\u1eddng s\u1ee3i th\u1ee7y tinh <a href=\"https:\/\/www.jcinjectionmolding.com\/vi\/materials\/glass-fiber-gf\/\"><strong>PA66-GF30<\/strong><\/a>, <strong>polypropylene (PP)<\/strong>, <strong>PC\/ABS<\/strong>, v\u00e0 <strong>PBT<\/strong>. N\u1eafp \u0111\u1ed9ng c\u01a1 \u00f4 t\u00f4, gi\u00e1 \u0111\u1ee1 b\u1ea3ng t\u00e1p l\u00f4 v\u00e0 t\u1ea5m v\u1ecf c\u00f4ng nghi\u1ec7p \u0111\u1ea1t \u0111\u1ed9 c\u1ee9ng k\u1ebft c\u1ea5u t\u1ed1i \u0111a tr\u00ean m\u1ed7i \u0111\u01a1n v\u1ecb kh\u1ed1i l\u01b0\u1ee3ng nh\u1edd x\u1eed l\u00fd vi t\u1ebf b\u00e0o. K\u1ebft h\u1ee3p gi\u1ea3m tr\u1ecdng l\u01b0\u1ee3ng v\u1edbi \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc kh\u00f4ng cong v\u00eanh gi\u00fap \u0111\u1ea9y nhanh vi\u1ec7c ph\u00ea duy\u1ec7t linh ki\u1ec7n tr\u00ean c\u00e1c n\u1ec1n t\u1ea3ng xe \u0111i\u1ec7n kh\u1eaft khe. Tri\u1ec3n khai \u0111i\u1ec1u khi\u1ec3n quy tr\u00ecnh ti\u00ean ti\u1ebfn trong \u0111\u00fac phun x\u1ed1p mang l\u1ea1i tr\u1ecdng l\u01b0\u1ee3ng chi ti\u1ebft nh\u1ea5t qu\u00e1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u1ecfi c\u01a1 h\u1ecdc. C\u00e1c k\u1ef9 s\u01b0 ch\u1ec9 \u0111\u1ecbnh \u0111\u00fac phun x\u1ed1p cho \u1ee9ng d\u1ee5ng k\u1ebft c\u1ea5u \u0111\u1ea1t \u0111\u01b0\u1ee3c ti\u1ebft ki\u1ec7m v\u1eadt li\u1ec7u \u0111\u00e1ng k\u1ec3 m\u00e0 kh\u00f4ng hy sinh hi\u1ec7u su\u1ea5t ch\u1ecbu va \u0111\u1eadp.<\/p>\n<p><!-- Table 1: Foaming 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 nh\u1ef1a k\u1ef9 thu\u1eadt<\/th>\n<th style=\"padding: 16px;border: 1px solid #dee2e6;font-weight: 600;color: #111111\">Lo\u1ea1i ch\u1ea5t t\u1ea1o kh\u00ed<\/th>\n<th style=\"padding: 16px;border: 1px solid #dee2e6;font-weight: 600;color: #111111\">K\u00edch th\u01b0\u1edbc \u00f4 trung b\u00ecnh (\u03bcm)<\/th>\n<th style=\"padding: 16px;border: 1px solid #dee2e6;font-weight: 600;color: #111111\">Gi\u1ea3m kh\u1ed1i l\u01b0\u1ee3ng (%)<\/th>\n<th style=\"padding: 16px;border: 1px solid #dee2e6;font-weight: 600;color: #111111\">\u1ee8ng d\u1ee5ng t\u1ea1o b\u1ecdt 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\">Nit\u01a1 si\u00eau t\u1edbi h\u1ea1n (N2)<\/td>\n<td style=\"padding: 16px;border: 1px solid #dee2e6;color: #333333\">10 \u2013 25 \u03bcm<\/td>\n<td style=\"padding: 16px;border: 1px solid #dee2e6;color: #333333\">12% \u2013 18%<\/td>\n<td style=\"padding: 16px;border: 1px solid #dee2e6;color: #333333\">T\u1ea5m ch\u1eafn \u0111\u1ed9ng c\u01a1 \u00f4 t\u00f4 &amp; n\u1eafp c\u00f2<\/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\">N2 \/ CO2 si\u00eau t\u1edbi h\u1ea1n<\/td>\n<td style=\"padding: 16px;border: 1px solid #dee2e6;color: #333333\">20 \u2013 50 \u03bcm<\/td>\n<td style=\"padding: 16px;border: 1px solid #dee2e6;color: #333333\">15% \u2013 25%<\/td>\n<td style=\"padding: 16px;border: 1px solid #dee2e6;color: #333333\">Gi\u00e1 \u0111\u1ee1 c\u1eeda n\u1ed9i th\u1ea5t l\u1edbn &amp; t\u1ea5m l\u00f3t c\u1ed1p<\/td>\n<\/tr>\n<tr style=\"border-bottom: 1px solid #dee2e6\">\n<td style=\"padding: 16px;border: 1px solid #dee2e6;color: #333333\">H\u1ee3p kim PC\/ABS (Bayblend)<\/td>\n<td style=\"padding: 16px;border: 1px solid #dee2e6;color: #333333\">Nit\u01a1 si\u00eau t\u1edbi h\u1ea1n (N2)<\/td>\n<td style=\"padding: 16px;border: 1px solid #dee2e6;color: #333333\">15 \u2013 30 \u03bcm<\/td>\n<td style=\"padding: 16px;border: 1px solid #dee2e6;color: #333333\">10% \u2013 15%<\/td>\n<td style=\"padding: 16px;border: 1px solid #dee2e6;color: #333333\">T\u1ea5m \u0111\u1ebf v\u1ecf \u0111i\u1ec7n t\u1eed<\/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-2877\" src=\"https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/measuring-foamed-plastic-part-weight.webp\" alt=\"measuring-foamed-plastic-part-weight\" width=\"1376\" height=\"768\" srcset=\"https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/measuring-foamed-plastic-part-weight.webp 1376w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/measuring-foamed-plastic-part-weight-300x167.webp 300w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/measuring-foamed-plastic-part-weight-1024x572.webp 1024w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/measuring-foamed-plastic-part-weight-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\">S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa t\u1ea1o b\u1ecdt MuCell v\u1eadt l\u00fd v\u00e0 ch\u1ea5t t\u1ea1o b\u1ecdt h\u00f3a h\u1ecdc l\u00e0 g\u00ec?<\/h3>\n<p style=\"font-size: 18px;line-height: 1.8em;text-align: left;margin-bottom: 24px\">T\u1ea1o b\u1ecdt MuCell v\u1eadt l\u00fd h\u00f2a tan kh\u00ed nit\u01a1 ho\u1eb7c carbon dioxide si\u00eau t\u1edbi h\u1ea1n tr\u1ef1c ti\u1ebfp v\u00e0o nh\u1ef1a n\u00f3ng ch\u1ea3y, t\u1ea1o ra h\u00e0ng tri\u1ec7u vi bong b\u00f3ng \u0111\u1ed3ng \u0111\u1ec1u c\u00f3 k\u00edch th\u01b0\u1edbc t\u1eeb 5 \u0111\u1ebfn 50 micron. Ch\u1ea5t t\u1ea1o b\u1ecdt h\u00f3a h\u1ecdc d\u1ef1a v\u00e0o s\u1ef1 ph\u00e2n h\u1ee7y nhi\u1ec7t c\u1ee7a b\u1ed9t, \u0111\u1ec3 l\u1ea1i d\u01b0 l\u01b0\u1ee3ng h\u00f3a h\u1ecdc v\u00e0 t\u1ea1o ra c\u00e1c l\u1ed7 kh\u00ed l\u1edbn h\u01a1n, kh\u00f4ng \u0111\u1ec1u, l\u00e0m suy gi\u1ea3m \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc. T\u1ea1o b\u1ecdt v\u1eadt l\u00fd \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc cao h\u01a1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp v\u01b0\u1ee3t tr\u1ed9i.<\/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\">\u00c9p phun b\u1ecdt c\u00f3 t\u1ea1o ra v\u1ebft xo\u00e1y tr\u00ean b\u1ec1 m\u1eb7t chi ti\u1ebft kh\u00f4ng?<\/h3>\n<p style=\"font-size: 18px;line-height: 1.8em;text-align: left;margin-bottom: 24px\">C\u00e1c bong b\u00f3ng kh\u00ed gi\u00e3n n\u1edf ch\u1ea1m v\u00e0o th\u00e0nh khoang l\u1ea1nh c\u00f3 th\u1ec3 t\u1ea1o ra nh\u1eefng v\u1ebft xo\u00e1y b\u1ea1c m\u1edd nh\u1ea1t tr\u00ean b\u1ec1 m\u1eb7t ngo\u1ea1i quan ch\u01b0a s\u01a1n. S\u1eed d\u1ee5ng nhi\u1ec7t \u0111\u1ed9 khu\u00f4n cao h\u01a1n, t\u1ed1c \u0111\u1ed9 phun nhanh, ho\u1eb7c d\u1ee5ng c\u1ee5 \u00e1p su\u1ea5t ng\u01b0\u1ee3c kh\u00ed s\u1ebd lo\u1ea1i b\u1ecf v\u1ebft xo\u00e1y b\u1ec1 m\u1eb7t, t\u1ea1o ra b\u1ec1 m\u1eb7t ho\u00e0n thi\u1ec7n th\u1ea9m m\u1ef9 ho\u00e0n h\u1ea3o. C\u00e1c chi ti\u1ebft n\u1ed9i th\u1ea5t \u00f4 t\u00f4 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u01a1n ho\u1eb7c t\u1ea1o nh\u00e1m s\u1ebd che gi\u1ea5u ho\u00e0n to\u00e0n nh\u1eefng \u0111\u01b0\u1eddng ch\u1ea3y vi m\u00f4 n\u00e0y.<\/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\">C\u00f3 th\u1ec3 gi\u1ea3m bao nhi\u00eau tr\u1ecdng l\u01b0\u1ee3ng v\u1edbi t\u1ea1o b\u1ecdt vi t\u1ebf b\u00e0o?<\/h3>\n<p style=\"font-size: 18px;line-height: 1.8em;text-align: left;margin-bottom: 24px\">Gi\u1ea3m tr\u1ecdng l\u01b0\u1ee3ng th\u01b0\u1eddng dao \u0111\u1ed9ng t\u1eeb 10% \u0111\u1ebfn 20% \u0111\u1ed1i v\u1edbi c\u00e1c chi ti\u1ebft k\u1ebft c\u1ea5u k\u1ef9 thu\u1eadt m\u00e0 kh\u00f4ng l\u00e0m gi\u1ea3m hi\u1ec7u su\u1ea5t c\u01a1 h\u1ecdc. C\u00e1c chi ti\u1ebft th\u00e0nh m\u1ecfng \u0111\u1ea1t m\u1ee9c gi\u1ea3m kh\u1ed1i l\u01b0\u1ee3ng t\u1eeb 8% \u0111\u1ebfn 12%, trong khi v\u1ecf k\u1ebft c\u1ea5u d\u00e0y \u0111\u1ea1t m\u1ee9c ti\u1ebft ki\u1ec7m v\u1eadt li\u1ec7u l\u00ean \u0111\u1ebfn 25%. Ti\u1ebft ki\u1ec7m v\u1eadt li\u1ec7u tr\u1ef1c ti\u1ebfp d\u1eabn \u0111\u1ebfn tr\u1ecdng l\u01b0\u1ee3ng chi ti\u1ebft th\u1ea5p h\u01a1n v\u00e0 chi ph\u00ed v\u1eadn chuy\u1ec3n gi\u1ea3m.<\/p>\n<\/div>\n<\/section>\n<\/article>","protected":false},"excerpt":{"rendered":"<p>Automotive structural designers and industrial packaging engineers face continuous pressure to reduce component mass without compromising mechanical bending stiffness. Solid plastic parts with thick walls suffer from localized thermal shrinkage, creating unsightly surface sink marks, high internal stress, and long cooling delays. Injecting physical blowing agents into molten thermoplastics creates internal gas pressure that counteracts [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2878,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2874","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\/2874","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=2874"}],"version-history":[{"count":0,"href":"https:\/\/www.jcinjectionmolding.com\/vi\/wp-json\/wp\/v2\/posts\/2874\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.jcinjectionmolding.com\/vi\/wp-json\/wp\/v2\/media\/2878"}],"wp:attachment":[{"href":"https:\/\/www.jcinjectionmolding.com\/vi\/wp-json\/wp\/v2\/media?parent=2874"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.jcinjectionmolding.com\/vi\/wp-json\/wp\/v2\/categories?post=2874"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.jcinjectionmolding.com\/vi\/wp-json\/wp\/v2\/tags?post=2874"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}