{"id":2322,"date":"2026-05-21T14:42:37","date_gmt":"2026-05-21T06:42:37","guid":{"rendered":"https:\/\/www.jcinjectionmolding.com\/?p=2322"},"modified":"2026-06-30T17:14:08","modified_gmt":"2026-06-30T09:14:08","slug":"polybutylene-terephthalate-pbt","status":"publish","type":"material","link":"https:\/\/www.jcinjectionmolding.com\/vi\/materials\/polybutylene-terephthalate-pbt\/","title":{"rendered":"Polybutylene Terephthalate (PBT)"},"content":{"rendered":"
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C\u00e1c lo\u1ea1i Polybutylene Terephthalate (PBT) to\u00e0n di\u1ec7n ch\u00fang t\u00f4i \u00e9p phun<\/h2>\n

Ch\u00fang t\u00f4i x\u1eed l\u00fd nh\u1ef1a PBT hi\u1ec7u su\u1ea5t cao v\u00e0 c\u00e1c h\u1ed7n h\u1ee3p t\u1eeb c\u00e1c nh\u00e0 l\u00e3nh \u0111\u1ea1o h\u00f3a d\u1ea7u \u0111\u1eb3ng c\u1ea5p th\u1ebf gi\u1edbi, mang l\u1ea1i c\u00e1ch \u0111i\u1ec7n t\u1ed1i \u01b0u v\u00e0 t\u00ednh to\u00e0n v\u1eb9n k\u1ebft c\u1ea5u:<\/p>\n\n\n\n\n\n\n\n\n
Lo\u1ea1i v\u1eadt li\u1ec7u PBT<\/th>\nTh\u01b0\u01a1ng hi\u1ec7u & c\u1ea5p \u0111\u1ed9 \u0111i\u1ec3n h\u00ecnh<\/th>\n\u0110\u1eb7c \u0111i\u1ec3m & \u01b0u \u0111i\u1ec3m ch\u00ednh<\/th>\n<\/tr>\n<\/thead>\n
PBT kh\u00f4ng gia c\u01b0\u1eddng<\/td>\n\u2022 Sabic Valox 357
\n\u2022 BASF Ultradur B4500
\n\u2022 DuPont Crastin SO653<\/td>\n		\u0110\u1eb7c t\u00ednh \u0111i\u1ec7n tuy\u1ec7t v\u1eddi, \u0111\u1ed9 ch\u1ea3y cao v\u00e0 b\u1ec1 m\u1eb7t m\u1ecbn \u0111\u1eb9p. \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i cho su\u1ed1t d\u00e2y qu\u1ea5n, c\u00f4ng t\u1eafc trang tr\u00ed v\u00e0 linh ki\u1ec7n \u0111i\u1ec7n.<\/td>\n<\/tr>\n
Gia c\u01b0\u1eddng b\u1eb1ng s\u1ee3i th\u1ee7y tinh<\/td>\n\u2022 Sabic Valox 420 (30% GF)
\n\u2022 BASF Ultradur B4300G6 (30% GF)
\n\u2022 DuPont Crastin SK605 (30% GF)<\/td>\n		\u0110\u1ed9 b\u1ec1n k\u00e9o, \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc v\u00e0 Nhi\u1ec7t \u0111\u1ed9 bi\u1ebfn d\u1ea1ng nhi\u1ec7t (HDT l\u00ean \u0111\u1ebfn 210\u00b0C) t\u0103ng m\u1ea1nh. L\u00fd t\u01b0\u1edfng cho v\u1ecf c\u1ea3m bi\u1ebfn \u00f4 t\u00f4, v\u1ecf \u0111\u1ea7u n\u1ed1i v\u00e0 gi\u00e1 \u0111\u1ee1 k\u1ebft c\u1ea5u.<\/td>\n<\/tr>\n
Ch\u1ed1ng ch\u00e1y (FR)<\/td>\n\u2022 Sabic Valox 420SEO (30% GF FR)
\n\u2022 BASF Ultradur B4406 (FR kh\u00f4ng gia c\u01b0\u1eddng)
\n\u2022 DuPont Crastin FR684<\/td>\n		\u0110\u00e1p \u1ee9ng ti\u00eau chu\u1ea9n d\u1ec5 ch\u00e1y UL 94 V-0 v\u1edbi \u0111\u1ed9 b\u1ec1n \u0111i\u1ec7n m\u00f4i v\u00e0 \u0111i\u1ec7n tr\u1edf c\u00e1ch \u0111i\u1ec7n tuy\u1ec7t v\u1eddi d\u01b0\u1edbi \u1ee9ng su\u1ea5t nhi\u1ec7t cao. \u0110\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh cho c\u00f4ng t\u1eafc, c\u1ea7u dao v\u00e0 v\u1ecf r\u01a1 le.<\/td>\n<\/tr>\n
H\u1ee3p kim \/ Pha tr\u1ed9n c\u1ea3i ti\u1ebfn<\/td>\n\u2022 Sabic Valox 855 (PBT\/ASA)
\n\u2022 Lanxess Pocan TS3220 (PBT\/PET)<\/td>\n		\u0110\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 gi\u1ea3m thi\u1ec3u \u0111\u1ed9 co ng\u00f3t vi sai v\u00e0 cong v\u00eanh trong khi c\u1ea3i thi\u1ec7n \u0111\u1ed9 b\u00f3ng b\u1ec1 m\u1eb7t v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu th\u1eddi ti\u1ebft. \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng trong l\u01b0\u1edbi t\u1ea3n nhi\u1ec7t \u00f4 t\u00f4 l\u1edbn v\u00e0 c\u00e1c chi ti\u1ebft trang tr\u00ed ngo\u1ea1i th\u1ea5t th\u1ea9m m\u1ef9.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/section>\n

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C\u00e1c quy tr\u00ecnh \u00e9p phun \u00e1p d\u1ee5ng cho PBT<\/h2>\n

T\u1ed1c \u0111\u1ed9 k\u1ebft tinh nhanh v\u00e0 \u0111\u1ed9 nh\u1edbt n\u00f3ng ch\u1ea3y th\u1ea5p c\u1ee7a PBT khi\u1ebfn n\u00f3 \u0111\u1eb7c bi\u1ec7t ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c khu\u00f4n k\u1ebft c\u1ea5u ph\u1ee9c t\u1ea1p:<\/p>\n\n\n\n\n\n\n\n
Quy tr\u00ecnh \u0111\u00fac<\/th>\nKh\u1ea3 n\u0103ng x\u1eed l\u00fd v\u00e0 \u1ee9ng d\u1ee5ng<\/th>\n<\/tr>\n<\/thead>\n
\u00c9p phun ti\u00eau chu\u1ea9n<\/td>\nXu\u1ea5t s\u1eafc. \u0110\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a cao \u0111\u1ec3 s\u1ea3n xu\u1ea5t \u1ed5 c\u1eafm \u0111i\u1ec7n c\u00e1ch \u0111i\u1ec7n cao, c\u00f4ng t\u1eafc, su\u1ed1t d\u00e2y qu\u1ea5n cu\u1ed9n d\u00e2y v\u00e0 v\u1ecf c\u00f4ng nghi\u1ec7p ch\u1ee9c n\u0103ng.<\/td>\n<\/tr>\n
\u00c9p phun th\u00e0nh m\u1ecfng<\/td>\nCao. \u0110\u1eb7c t\u00ednh d\u1ec5 ch\u1ea3y c\u1ee7a PBT h\u1ed7 tr\u1ee3 \u00e9p phun \u00e1p su\u1ea5t cao \u0111\u1ec3 l\u1ea5p \u0111\u1ea7y c\u00e1c l\u01b0\u1edbi \u0111\u1ea7u n\u1ed1i \u0111i\u1ec7n t\u1eed c\u00f3 th\u00e0nh c\u1ef1c m\u1ecfng m\u00e0 kh\u00f4ng b\u1ecb thi\u1ebfu h\u1ee5t.<\/td>\n<\/tr>\n
\u00c9p Phun Ch\u00e8n<\/td>\nXu\u1ea5t s\u1eafc. \u0110\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong ng\u00e0nh \u0111i\u1ec7n t\u1eed \u00f4 t\u00f4 \u0111\u1ec3 bao b\u1ecdc c\u00e1c ch\u00e2n \u0111\u1ea7u n\u1ed1i b\u1eb1ng \u0111\u1ed3ng thau v\u00e0 d\u1ea3i d\u1eabn \u0111i\u1ec7n tr\u1ef1c ti\u1ebfp b\u00ean trong v\u1ecf PBT.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/section>\n

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H\u01b0\u1edbng d\u1eabn \u00e9p phun Polybutylene Terephthalate (PBT)<\/h2>\n

PBT l\u00e0 v\u1eadt li\u1ec7u polyester r\u1ea5t nh\u1ea1y c\u1ea3m v\u1edbi s\u1ef1 ph\u00e2n h\u1ee7y th\u1ee7y ph\u00e2n \u1edf nhi\u1ec7t \u0111\u1ed9 gia c\u00f4ng cao. Vi\u1ec7c th\u1ef1c thi nghi\u00eam ng\u1eb7t quy tr\u00ecnh s\u1ea3n xu\u1ea5t l\u00e0 \u0111i\u1ec1u thi\u1ebft y\u1ebfu:<\/p>\n

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  • S\u1ea5y Tr\u01b0\u1edbc:<\/strong> PBT b\u1ecb th\u1ee7y ph\u00e2n nhanh ch\u00f3ng n\u1ebfu \u0111\u01b0\u1ee3c \u00e9p phun khi c\u00f2n \u1ea9m, g\u00e2y c\u1eaft m\u1ea1ch polymer v\u00e0 h\u01b0 h\u1ecfng gi\u00f2n nghi\u00eam tr\u1ecdng. Nh\u1ef1a nguy\u00ean li\u1ec7u ph\u1ea3i \u0111\u01b0\u1ee3c s\u1ea5y kh\u00f4 trong m\u00e1y s\u1ea5y 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
  • Nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y:<\/strong> \u0110\u01b0\u1ee3c gia c\u00f4ng trong kho\u1ea3ng t\u1eeb 240\u00b0C \u0111\u1ebfn 275\u00b0C (464\u00b0F \u0111\u1ebfn 527\u00b0F). Nhi\u1ec7t \u0111\u1ed9 v\u01b0\u1ee3t qu\u00e1 285\u00b0C c\u00f3 th\u1ec3 khi\u1ebfn PBT b\u1ecb ph\u00e2n h\u1ee7y c\u1ea5u tr\u00fac nhi\u1ec7t.<\/li>\n
  • Nhi\u1ec7t \u0111\u1ed9 khu\u00f4n:<\/strong> \u0110\u01b0\u1ee3c ki\u1ec3m so\u00e1t trong kho\u1ea3ng t\u1eeb 40\u00b0C \u0111\u1ebfn 80\u00b0C (104\u00b0F \u0111\u1ebfn 176\u00b0F) \u0111\u1ed1i v\u1edbi c\u00e1c lo\u1ea1i kh\u00f4ng gia c\u01b0\u1eddng, v\u00e0 l\u00ean \u0111\u1ebfn 100\u00b0C \u0111\u1ed1i v\u1edbi c\u00e1c lo\u1ea1i gia c\u01b0\u1eddng s\u1ee3i th\u1ee7y tinh \u0111\u1ec3 gi\u1ea3m s\u1ef1 l\u1ed9 di\u1ec7n s\u1ee3i tr\u00ean b\u1ec1 m\u1eb7t chi ti\u1ebft.<\/li>\n
  • Ki\u1ec3m so\u00e1t cong v\u00eanh v\u00e0 co ng\u00f3t:<\/strong> PBT nguy\u00ean ch\u1ea5t c\u00f3 \u0111\u1ed9 co ng\u00f3t \u0111\u1eb3ng h\u01b0\u1edbng cao (1,5% \u0111\u1ebfn 2,2%), trong khi PBT gia c\u01b0\u1eddng s\u1ee3i th\u1ee7y tinh gi\u1ea3m \u0111\u1ed9 co ng\u00f3t xu\u1ed1ng 0,3%\u20130,8% nh\u01b0ng g\u00e2y ra \u0111\u1ed9 co ng\u00f3t d\u1ecb h\u01b0\u1edbng (vi sai) d\u1ecdc theo c\u00e1c \u0111\u01b0\u1eddng d\u00f2ng ch\u1ea3y. C\u00e1c k\u1ef9 s\u01b0 khu\u00f4n m\u1eabu c\u1ee7a Jucheng s\u1eed d\u1ee5ng ph\u00e2n t\u00edch Moldflow ti\u00ean ti\u1ebfn \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a v\u1ecb tr\u00ed c\u1ed5ng phun v\u00e0 gi\u1ea3m thi\u1ec3u cong v\u00eanh.<\/li>\n<\/ul>\n<\/section>\n

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    C\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p \u1ee9ng d\u1ee5ng ch\u00ednh cho c\u00e1c chi ti\u1ebft PBT \u0111\u00fac<\/h2>\n
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    • H\u1ec7 truy\u1ec1n \u0111\u1ed9ng & C\u1ea3m bi\u1ebfn \u00f4 t\u00f4 (IATF 16949):<\/strong> Su\u1ed1t cu\u1ed9n d\u00e2y \u0111\u00e1nh l\u1eeda, v\u1ecf c\u1ea3m bi\u1ebfn, n\u1eafp b\u1ed9 chia \u0111i\u1ec7n, vi\u1ec1n \u0111\u00e8n pha, c\u1ea7n g\u1ea1t n\u01b0\u1edbc, h\u1ed9p c\u1ea7u ch\u00ec v\u00e0 th\u00e2n b\u01b0\u1edbm ga \u0111i\u1ec7n t\u1eed.<\/li>\n
    • Ph\u1ea7n c\u1ee9ng \u0111i\u1ec7n & \u0111i\u1ec7n t\u1eed:<\/strong> V\u1ecf \u0111\u1ea7u n\u1ed1i \u0111i\u1ec7n, kh\u1ed1i \u0111\u1ea5u d\u00e2y, b\u1ed9 ph\u1eadn c\u1ea7u dao, r\u01a1 le v\u00e0 \u1ed1ng \u0111\u1ec7m s\u1ee3i quang.<\/li>\n
    • Thi\u1ebft b\u1ecb ti\u00eau d\u00f9ng & gia d\u1ee5ng:<\/strong> L\u01b0\u1edbi m\u00e1y s\u1ea5y t\u00f3c, v\u1ecf b\u00e0n \u1ee7i, tay n\u1eafm c\u1eeda l\u00f2 vi s\u00f3ng, th\u00e2n m\u00e1y n\u01b0\u1edbng b\u00e1nh v\u00e0 c\u00f4ng t\u1eafc xoay l\u00f2 n\u01b0\u1edbng.<\/li>\n
    • M\u00e1y m\u00f3c c\u00f4ng nghi\u1ec7p & vi\u1ec5n th\u00f4ng:<\/strong> V\u1ecf b\u01a1m h\u00f3a ch\u1ea5t, c\u00e1nh b\u01a1m, b\u1ed9 ph\u1eadn van c\u00f4ng nghi\u1ec7p v\u00e0 h\u1ed9p b\u1ea3o v\u1ec7 s\u1ee3i quang vi\u1ec5n th\u00f4ng.<\/li>\n<\/ul>\n<\/section>\n<\/div>","protected":false},"excerpt":{"rendered":"

      Comprehensive Polybutylene Terephthalate (PBT) Grades We Mold We process high-performance PBT resins and blends from world-class petrochemical leaders, delivering optimal electrical isolation and structural integrity: PBT Material Class Typical Brand & Grade Key Characteristics & Advantages Unreinforced PBT \u2022 Sabic Valox 357 \u2022 BASF Ultradur B4500 \u2022 DuPont Crastin SO653 Excellent electrical properties, high flowability, […]<\/p>\n","protected":false},"featured_media":2399,"template":"","meta":[],"material_type":[21],"application_feature":[],"machining_process":[],"class_list":["post-2322","material","type-material","status-publish","has-post-thumbnail","hentry","material_type-engineering-plastics"],"_links":{"self":[{"href":"https:\/\/www.jcinjectionmolding.com\/vi\/wp-json\/wp\/v2\/material\/2322","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.jcinjectionmolding.com\/vi\/wp-json\/wp\/v2\/material"}],"about":[{"href":"https:\/\/www.jcinjectionmolding.com\/vi\/wp-json\/wp\/v2\/types\/material"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.jcinjectionmolding.com\/vi\/wp-json\/wp\/v2\/media\/2399"}],"wp:attachment":[{"href":"https:\/\/www.jcinjectionmolding.com\/vi\/wp-json\/wp\/v2\/media?parent=2322"}],"wp:term":[{"taxonomy":"material_type","embeddable":true,"href":"https:\/\/www.jcinjectionmolding.com\/vi\/wp-json\/wp\/v2\/material_type?post=2322"},{"taxonomy":"application_feature","embeddable":true,"href":"https:\/\/www.jcinjectionmolding.com\/vi\/wp-json\/wp\/v2\/application_feature?post=2322"},{"taxonomy":"machining_process","embeddable":true,"href":"https:\/\/www.jcinjectionmolding.com\/vi\/wp-json\/wp\/v2\/machining_process?post=2322"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}