{"id":2387,"date":"2026-05-23T16:04:54","date_gmt":"2026-05-23T08:04:54","guid":{"rendered":"https:\/\/www.jcinjectionmolding.com\/?p=2387"},"modified":"2026-06-29T10:39:44","modified_gmt":"2026-06-29T02:39:44","slug":"pc-covestro-makrolon-2805","status":"publish","type":"material_model","link":"https:\/\/www.jcinjectionmolding.com\/vi\/materials\/polycarbonate-pc\/pc-covestro-makrolon-2805\/","title":{"rendered":"PC-Covestro Makrolon 2805"},"content":{"rendered":"
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H\u1ed3 s\u01a1 C\u01a1 t\u00ednh & Ch\u1ecbu va \u0111\u1eadp cao Makrolon 2805<\/h2>\n

Makrolon\u00ae 2805 l\u00e0 nh\u1ef1a polycarbonate v\u00f4 \u0111\u1ecbnh h\u00ecnh, \u0111\u1ed9 nh\u1edbt trung b\u00ecnh, \u0111a d\u1ee5ng \u0111\u01b0\u1ee3c Covestro thi\u1ebft k\u1ebf \u0111\u1ec3 mang l\u1ea1i \u0111\u1ed9 dai c\u01a1 h\u1ecdc c\u1ef1c cao, \u0111\u1ed9 d\u1ebbo \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p v\u00e0 m\u00f4 \u0111un ch\u1ea3y cao:<\/p>\n\n\n\n\n\n\n\n
Thu\u1ed9c t\u00ednh c\u01a1 h\u1ecdc<\/th>\nGi\u00e1 tr\u1ecb danh ngh\u0129a Makrolon 2805<\/th>\nL\u1ee3i th\u1ebf Thi\u1ebft k\u1ebf K\u1ebft c\u1ea5u<\/th>\n<\/tr>\n<\/thead>\n
Hi\u1ec7u su\u1ea5t va \u0111\u1eadp<\/td>\n\u0110\u1ed9 b\u1ec1n va \u0111\u1eadp Izod c\u00f3 kh\u00eda 85 kJ\/m\u00b2<\/td>\nC\u00f3 \u0111\u1ed9 dai v\u1eadt l\u00fd nh\u01b0 cao su v\u00e0 kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 n\u0103ng l\u01b0\u1ee3ng va \u0111\u1eadp v\u01b0\u1ee3t tr\u1ed9i so v\u1edbi c\u00e1c lo\u1ea1i c\u00f3 \u0111\u1ed9 nh\u1edbt th\u1ea5p h\u01a1n, ng\u0103n ng\u1eeba n\u1ee9t d\u01b0\u1edbi va \u0111\u1eadp m\u1ea1nh.<\/td>\n<\/tr>\n
M\u00f4 \u0111un \u0110\u1ed9 c\u1ee9ng<\/td>\n\u0110\u1ed9 b\u1ec1n u\u1ed1n 97 MPa \/ M\u00f4 \u0111un 2400 MPa<\/td>\n\u0110\u1ea3m b\u1ea3o k\u1ebft c\u1ea5u c\u1ee9ng cao, kh\u00f4ng bi\u1ebfn d\u1ea1ng, l\u00fd t\u01b0\u1edfng cho m\u00e0n ch\u1eafn b\u1ea3o v\u1ec7 c\u00f4ng nghi\u1ec7p nh\u1ecbp l\u1edbn v\u00e0 t\u1ea5m th\u00e0nh d\u00e0y.<\/td>\n<\/tr>\n
Kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ea3y<\/td>\nM\u00f4 \u0111un ch\u1ea3y k\u00e9o (1000h) 1900 MPa<\/td>\nTh\u1ec3 hi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng gi\u00e3n d\u00e0i k\u00edch th\u01b0\u1edbc v\u00e0 v\u00f5ng k\u1ebft c\u1ea5u \u0111\u1eb7c bi\u1ec7t t\u1ed1t d\u01b0\u1edbi t\u1ea3i c\u01a1 h\u1ecdc li\u00ean t\u1ee5c.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/section>\n

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Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch \u1ee8ng d\u1ee5ng K\u1ebft c\u1ea5u & Quy tr\u00ecnh \u00c9p phun cho Makrolon 2805<\/h2>\n

V\u1edbi \u0111\u1ed9 nh\u1edbt n\u00f3ng ch\u1ea3y trung b\u00ecnh, Makrolon 2805 mang l\u1ea1i \u0111\u1ed9 b\u1ec1n n\u00f3ng ch\u1ea3y cao \u0111\u1ec3 h\u1ed7 tr\u1ee3 c\u00e1c chi ti\u1ebft ch\u1ecbu t\u1ea3i, ch\u1eafc ch\u1eafn:<\/p>\n\n\n\n\n\n\n\n
Quy tr\u00ecnh \u0111\u00fac<\/th>\nKh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch \u0110\u00fac & Chi ti\u1ebft V\u1eadn h\u00e0nh<\/th>\n<\/tr>\n<\/thead>\n
T\u1ea5m ch\u1eafn An to\u00e0n C\u00f4ng nghi\u1ec7p<\/td>\nXu\u1ea5t s\u1eafc. \u0110\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a ho\u00e0n to\u00e0n cho t\u1ea5m ch\u1eafn an to\u00e0n m\u00e1y trong su\u1ed1t cao, k\u00ednh b\u1ea3o h\u1ed9, k\u00ednh ch\u1eafn gi\u00f3 xe m\u00e1y v\u00e0 r\u00e0o ch\u1eafn ch\u1ed1ng \u0111\u1ea1n.<\/td>\n<\/tr>\n
\u0110\u00fac V\u1ecf Ch\u1ecbu Va \u0110\u1eadp Cao<\/td>\nXu\u1ea5t s\u1eafc. L\u00fd t\u01b0\u1edfng cho v\u1ecf d\u1ee5ng c\u1ee5 \u0111i\u1ec7n c\u1ea7m tay h\u1ea1ng n\u1eb7ng, th\u00e2n \u0111\u1ea7u n\u1ed1i c\u00f4ng nghi\u1ec7p, h\u1ed9p n\u1ed1i h\u00e0ng h\u1ea3i v\u00e0 v\u1ecf m\u0169 b\u1ea3o h\u1ed9.<\/td>\n<\/tr>\n
\u0110\u00fac Ch\u00e8n & C\u1ed5ng Van<\/td>\nXu\u1ea5t s\u1eafc. R\u1ea5t t\u01b0\u01a1ng th\u00edch v\u1edbi c\u1ed5ng van hot-runner \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a \u0111\u01b0\u1eddng h\u00e0n k\u1ebft c\u1ea5u, ng\u0103n ng\u1eeba n\u1ee9t do \u1ee9ng su\u1ea5t g\u1ea7n c\u00e1c b\u1ea1c kim lo\u1ea1i \u0111\u01b0\u1ee3c bao b\u1ecdc.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/section>\n

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H\u01b0\u1edbng D\u1eabn X\u1eed L\u00fd Khu\u00f4n & Gi\u1ea3m V\u1ebft Ch\u1ea3y cho PC-Covestro Makrolon 2805<\/h2>\n

\u0110\u00fac m\u1ed9t lo\u1ea1i nh\u1ef1a c\u00f3 \u0111\u1ed9 nh\u1edbt trung b\u00ecnh nh\u01b0 Makrolon 2805 \u0111\u00f2i h\u1ecfi thi\u1ebft k\u1ebf k\u00eanh d\u1eabn c\u1ea9n th\u1eadn \u0111\u1ec3 ng\u0103n ng\u1eeba v\u1ebft ch\u1ea3y, c\u00f9ng v\u1edbi vi\u1ec7c s\u1ea5y kh\u00f4 b\u1eb1ng ch\u1ea5t h\u00fat \u1ea9m nghi\u00eam ng\u1eb7t \u0111\u1ec3 b\u1ea3o v\u1ec7 \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc:<\/p>\n

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  • T\u1ed1i \u01afu H\u00f3a \u0110\u1ed9 Nh\u1edbt N\u00f3ng Ch\u1ea3y Cao (Thi\u1ebft K\u1ebf K\u00eanh D\u1eabn):<\/strong> V\u00ec 2805 c\u00f3 ch\u1ec9 s\u1ed1 ch\u1ea3y n\u00f3ng ch\u1ea3y th\u1ea5p h\u01a1n (MVR 9.0) so v\u1edbi c\u00e1c lo\u1ea1i c\u00f3 \u0111\u1ed9 ch\u1ea3y cao, v\u1ebft ch\u1ea3y ngu\u1ed9i v\u00e0 \u201cv\u1ebft m\u1edd\u201d c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng xu\u1ea5t hi\u1ec7n g\u1ea7n c\u1ed5ng. B\u1ed9 ph\u1eadn khu\u00f4n c\u1ee7a Jucheng s\u1eed d\u1ee5ng m\u00e1y CNC 5 tr\u1ee5c \u0111\u1ec3 c\u1eaft c\u00e1c k\u00eanh d\u1eabn r\u1ed9ng, bo tr\u00f2n v\u00e0 c\u1ed5ng van r\u1ed9ng nh\u1eb1m \u0111\u1ea3m b\u1ea3o c\u1ea5p li\u1ec7u tr\u01a1n tru, kh\u00f4ng b\u1ecb c\u1ea3n tr\u1edf.<\/li>\n
  • S\u1ea5y kh\u00f4 b\u1eb1ng ch\u1ea5t h\u00fat \u1ea9m & ph\u00f2ng ch\u1ed1ng v\u1ec7t b\u1ea1c:<\/strong> Polycarbonate \u1ea9m r\u1ea5t d\u1ec5 b\u1ecb g\u00e3y chu\u1ed7i polymer do th\u1ee7y ph\u00e2n, ph\u00e1 h\u1ee7y \u0111\u1ed9 b\u1ec1n va \u0111\u1eadp v\u00e0 g\u00e2y ra v\u1ec7t b\u1ea1c ho\u1eb7c v\u1ec7t splay. Ch\u00fang t\u00f4i s\u1ea5y kh\u00f4 nh\u1ef1a nguy\u00ean li\u1ec7u trong m\u00e1y s\u1ea5y ph\u1ec5u h\u00fat \u1ea9m \u1edf 120\u00b0C (248\u00b0F) trong 3\u20134 gi\u1edd, gi\u1eef \u0111\u1ed9 \u1ea9m nghi\u00eam ng\u1eb7t d\u01b0\u1edbi 0,02%.<\/li>\n
  • Ki\u1ec3m So\u00e1t Nhi\u1ec7t \u0110\u1ed9 N\u00f3ng Ch\u1ea3y v\u00e0 Khu\u00f4n:<\/strong> Nhi\u1ec7t \u0111\u1ed9 th\u00f9ng x\u1eed l\u00fd \u0111\u01b0\u1ee3c duy tr\u00ec trong kho\u1ea3ng 280\u00b0C \u0111\u1ebfn 320\u00b0C (536\u00b0F \u0111\u1ebfn 608\u00b0F). Nhi\u1ec7t \u0111\u1ed9 khu\u00f4n \u0111\u01b0\u1ee3c gi\u1eef \u1edf 80\u00b0C \u0111\u1ebfn 110\u00b0C (176\u00b0F \u0111\u1ebfn 230\u00b0F) \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 b\u00f3ng t\u1ed1i \u0111a v\u00e0 gi\u1ea3m \u1ee9ng su\u1ea5t \u0111\u00fac n\u1ed9i b\u1ed9 c\u00f2n l\u1ea1i.<\/li>\n
  • \u0110\u1ed9 Co Ng\u00f3t Th\u1ea5p \u0110\u1eb3ng H\u01b0\u1edbng:<\/strong> Makrolon 2805 c\u00f3 \u0111\u1ed9 co ng\u00f3t th\u1ea5p v\u00e0 r\u1ea5t \u0111\u1ed3ng \u0111\u1ec1u (0,6% \u0111\u1ebfn 0,8%). Ch\u00fang t\u00f4i gia c\u00f4ng c\u00e1c m\u1ea1ch l\u00e0m m\u00e1t ph\u00f9 h\u1ee3p, c\u00e2n b\u1eb1ng tr\u1ef1c ti\u1ebfp v\u00e0o c\u00e1c kh\u1ed1i l\u00f5i \u0111\u1ec3 t\u0103ng t\u1ed1c t\u1ea3n nhi\u1ec7t, gi\u1ea3m th\u00eam th\u1eddi gian chu k\u1ef3 v\u00e0 ng\u0103n ng\u1eeba cong v\u00eanh nhi\u1ec7t.<\/li>\n<\/ul>\n<\/section>\n

    <\/p>\n

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    C\u00e1c L\u0129nh V\u1ef1c \u1ee8ng D\u1ee5ng Ch\u00ednh cho PC-Covestro Makrolon 2805<\/h2>\n
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    • An To\u00e0n C\u00f4ng Nghi\u1ec7p & C\u01a1 Kh\u00ed:<\/strong> T\u1ea5m ch\u1eafn an to\u00e0n m\u00e1y trong su\u1ed1t l\u1edbn, m\u00e0n ch\u1eafn ph\u00e2n v\u00f9ng nh\u00e0 m\u00e1y ch\u1ecbu va \u0111\u1eadp cao, v\u1ecf m\u0169 b\u1ea3o h\u1ed9 v\u00e0 k\u00ednh b\u1ea3o v\u1ec7 quang h\u1ecdc.<\/li>\n
    • \u00d4 t\u00f4 & Thi\u1ebft b\u1ecb h\u1ea1ng n\u1eb7ng:<\/strong> K\u00ednh c\u1eeda s\u1ed5 cabin m\u00e1y k\u00e9o, k\u00ednh ch\u1eafn gi\u00f3 xe m\u00e1y, \u1ed1ng d\u1eabn \u00e1nh s\u00e1ng n\u1ed9i th\u1ea5t \u00f4 t\u00f4 v\u00e0 t\u1ea5m k\u1ebft c\u1ea5u b\u00ean ngo\u00e0i ch\u1ecbu t\u1ea3i n\u1eb7ng.<\/li>\n
    • H\u1ea1 t\u1ea7ng \u0111i\u1ec7n:<\/strong> V\u1ecf m\u00e1y c\u1eaft cao \u00e1p ch\u1ecbu t\u1ea3i n\u1eb7ng, v\u1ecf \u0111\u1ed3ng h\u1ed3 \u0111o \u0111i\u1ec7n ngo\u00e0i tr\u1eddi, h\u1ed9p c\u00f4ng t\u1eafc \u0111\u1ed9ng v\u00e0 v\u1ecf b\u1ea3ng \u0111\u00e8n LED.<\/li>\n<\/ul>\n<\/section>\n<\/div>","protected":false},"excerpt":{"rendered":"

      Makrolon 2805 Mechanical & High-Impact Profile Makrolon\u00ae 2805 is a medium-viscosity, amorphous general purpose polycarbonate resin engineered by Covestro to deliver extreme mechanical toughness, low-temperature ductility, and high creep modulus: Mechanical Attribute Makrolon 2805 Nominal Value Structural Design Advantage Impact Performance Notched Izod Impact 85 kJ\/m\u00b2 Features superior rubber-like physical toughness and impact energy absorption […]<\/p>\n","protected":false},"featured_media":2388,"template":"","meta":[],"class_list":["post-2387","material_model","type-material_model","status-publish","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/www.jcinjectionmolding.com\/vi\/wp-json\/wp\/v2\/material_model\/2387","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.jcinjectionmolding.com\/vi\/wp-json\/wp\/v2\/material_model"}],"about":[{"href":"https:\/\/www.jcinjectionmolding.com\/vi\/wp-json\/wp\/v2\/types\/material_model"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.jcinjectionmolding.com\/vi\/wp-json\/wp\/v2\/media\/2388"}],"wp:attachment":[{"href":"https:\/\/www.jcinjectionmolding.com\/vi\/wp-json\/wp\/v2\/media?parent=2387"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}