{"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\/tr\/materials\/polybutylene-terephthalate-pbt\/","title":{"rendered":"Polib\u00fctilen Tereftalat (PBT)"},"content":{"rendered":"
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Kal\u0131plad\u0131\u011f\u0131m\u0131z Kapsaml\u0131 Polib\u00fctilen Tereftalat (PBT) S\u0131n\u0131flar\u0131<\/h2>\n

Optimum elektriksel yal\u0131t\u0131m ve yap\u0131sal b\u00fct\u00fcnl\u00fck sunarak, d\u00fcnya lideri petrokimya \u015firketlerinin y\u00fcksek performansl\u0131 PBT re\u00e7inelerini ve kar\u0131\u015f\u0131mlar\u0131n\u0131 i\u015fliyoruz:<\/p>\n\n\n\n\n\n\n\n\n
PBT Malzeme S\u0131n\u0131f\u0131<\/th>\nTipik Marka ve S\u0131n\u0131f<\/th>\nTemel \u00d6zellikler ve Avantajlar<\/th>\n<\/tr>\n<\/thead>\n
Takviyesiz PBT<\/td>\n\u2022 Sabic Valox 357
\n\u2022 BASF Ultradur B4500
\n\u2022 DuPont Crastin SO653<\/td>\n		M\u00fckemmel elektriksel \u00f6zellikler, y\u00fcksek ak\u0131\u015fkanl\u0131k ve p\u00fcr\u00fczs\u00fcz y\u00fczey esteti\u011fi. Bobin makaralar\u0131, dekoratif anahtarlar ve elektrikli bile\u015fenler i\u00e7in yayg\u0131n olarak kullan\u0131l\u0131r.<\/td>\n<\/tr>\n
Cam Elyaf Takviyeli<\/td>\n\u2022 Sabic Valox 420 (30% GF)
\n\u2022 BASF Ultradur B4300G6 (30% GF)
\n\u2022 DuPont Crastin SK605 (30% GF)<\/td>\n		\u00d6nemli \u00f6l\u00e7\u00fcde art\u0131r\u0131lm\u0131\u015f \u00e7ekme dayan\u0131m\u0131, boyutsal kararl\u0131l\u0131k ve Is\u0131 Sapma S\u0131cakl\u0131\u011f\u0131 (HDT 210\u00b0C'ye kadar). Otomotiv sens\u00f6r muhafazalar\u0131, konekt\u00f6r muhafazalar\u0131 ve yap\u0131sal braketler i\u00e7in idealdir.<\/td>\n<\/tr>\n
Alev Geciktirici (FR)<\/td>\n\u2022 Sabic Valox 420SEO (30% GF FR)
\n\u2022 BASF Ultradur B4406 (Takviyesiz FR)
\n\u2022 DuPont Crastin FR684<\/td>\n		Y\u00fcksek termal stres alt\u0131nda m\u00fckemmel dielektrik dayan\u0131m ve yal\u0131t\u0131m direnci ile UL 94 V-0 alevlenebilirlik standartlar\u0131n\u0131 kar\u015f\u0131lar. Anahtarlar, devre kesiciler ve r\u00f6le muhafazalar\u0131 i\u00e7in belirtilmi\u015ftir.<\/td>\n<\/tr>\n
Modifiye Ala\u015f\u0131mlar \/ Kar\u0131\u015f\u0131mlar<\/td>\n\u2022 Sabic Valox 855 (PBT\/ASA)
\n\u2022 Lanxess Pocan TS3220 (PBT\/PET)<\/td>\n		Diferansiyel \u00e7ekme ve \u00e7arp\u0131lmay\u0131 en aza indirirken y\u00fczey parlakl\u0131\u011f\u0131n\u0131 ve hava ko\u015fullar\u0131na dayan\u0131kl\u0131l\u0131\u011f\u0131 iyile\u015ftirmek \u00fczere tasarlanm\u0131\u015ft\u0131r. B\u00fcy\u00fck otomotiv \u0131zgaralar\u0131nda ve estetik d\u0131\u015f trimlerde kullan\u0131l\u0131r.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/section>\n

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PBT i\u00e7in Uygulanabilir Kal\u0131plama Prosesleri<\/h2>\n

PBT'nin h\u0131zl\u0131 kristalle\u015fme h\u0131z\u0131 ve d\u00fc\u015f\u00fck eriyik viskozitesi, onu karma\u015f\u0131k yap\u0131sal kal\u0131plar i\u00e7in son derece uygun k\u0131lar:<\/p>\n\n\n\n\n\n\n\n
Kal\u0131plama S\u00fcreci<\/th>\nS\u00fcre\u00e7 Uygunlu\u011fu ve Uygulama<\/th>\n<\/tr>\n<\/thead>\n
Standart Enjeksiyon Kal\u0131plama<\/td>\nM\u00fckemmel. Y\u00fcksek yal\u0131t\u0131ml\u0131 elektrik prizleri, anahtarlar, bobin makaralar\u0131 ve fonksiyonel end\u00fcstriyel kapaklar\u0131n \u00fcretimi i\u00e7in son derece optimize edilmi\u015ftir.<\/td>\n<\/tr>\n
\u0130nce Cidarl\u0131 Kal\u0131plama<\/td>\nY\u00fcksek. PBT'nin kolay ak\u0131\u015f \u00f6zellikleri, eksik dolgu olmadan son derece ince cidarl\u0131 elektronik konekt\u00f6r \u0131zgaralar\u0131n\u0131 dolduracak \u015fekilde y\u00fcksek bas\u0131n\u00e7l\u0131 enjeksiyonu destekler.<\/td>\n<\/tr>\n
Insert Kal\u0131plama<\/td>\nM\u00fckemmel. Otomotiv elektronik end\u00fcstrisinde pirin\u00e7 terminal pinlerini ve iletken \u015feritleri do\u011frudan PBT muhafazalar\u0131n i\u00e7ine kaps\u00fcllemek i\u00e7in yayg\u0131n olarak uygulan\u0131r.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/section>\n

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Polib\u00fctilen Tereftalat (PBT) Enjeksiyon Kal\u0131plama K\u0131lavuzu<\/h2>\n

PBT, y\u00fcksek i\u015fleme s\u0131cakl\u0131klar\u0131nda hidrolitik bozunmaya kar\u015f\u0131 son derece hassas olan bir polyester malzemedir. Kat\u0131 \u00fcretim protokol\u00fc uygulamas\u0131 esast\u0131r:<\/p>\n

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  • \u00d6n Kurutma:<\/strong> PBT nemli halde kal\u0131plan\u0131rsa h\u0131zl\u0131 hidrolize u\u011frar ve polimer zincirinde kopmalara ve ciddi gevreklik k\u0131r\u0131lmalar\u0131na neden olur. Ham re\u00e7ine, 120\u00b0C (248\u00b0F) s\u0131cakl\u0131kta 3\u20134 saat boyunca desikanl\u0131 kurutucularda kurutulmal\u0131 ve nem i\u00e7eri\u011fi kesinlikle %0,02'nin alt\u0131nda tutulmal\u0131d\u0131r.<\/li>\n
  • Eriyik S\u0131cakl\u0131\u011f\u0131:<\/strong> 240\u00b0C ile 275\u00b0C (464\u00b0F ile 527\u00b0F) aras\u0131nda i\u015flenir. 285\u00b0C'yi a\u015fan s\u0131cakl\u0131klar PBT'nin termal yap\u0131lar\u0131n\u0131n bozunmas\u0131na neden olabilir.<\/li>\n
  • Kal\u0131p S\u0131cakl\u0131\u011f\u0131:<\/strong> Takviyesiz tipler i\u00e7in 40\u00b0C ile 80\u00b0C (104\u00b0F ile 176\u00b0F) aras\u0131nda, cam elyaf takviyeli tipler i\u00e7in par\u00e7a y\u00fczeylerinde elyaf g\u00f6r\u00fcn\u00fcrl\u00fc\u011f\u00fcn\u00fc azaltmak amac\u0131yla 100\u00b0C'ye kadar y\u00f6netilir.<\/li>\n
  • \u00c7arp\u0131lma ve \u00c7ekme Kontrol\u00fc:<\/strong> Saf PBT y\u00fcksek izotropik \u00e7ekme g\u00f6sterir (%1,5 ila %2,2), cam elyaf takviyeli PBT ise \u00e7ekmeyi %0,3\u2013%0,8'e d\u00fc\u015f\u00fcr\u00fcr ancak ak\u0131\u015f yollar\u0131 boyunca anizotropik (farkl\u0131) \u00e7ekme meydana getirir. Jucheng'in kal\u0131p m\u00fchendisleri, yolluk yerle\u015fimini optimize etmek ve \u00e7arp\u0131lmay\u0131 en aza indirmek i\u00e7in geli\u015fmi\u015f Moldflow analizi kullan\u0131r.<\/li>\n<\/ul>\n<\/section>\n

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    Kal\u0131planm\u0131\u015f PBT Par\u00e7alar i\u00e7in Ba\u015fl\u0131ca Uygulama Sekt\u00f6rleri<\/h2>\n
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    • Otomotiv Aktarma Organlar\u0131 ve Sens\u00f6rler (IATF 16949):<\/strong> Ate\u015fleme bobini makaralar\u0131, sens\u00f6r muhafazalar\u0131, distrib\u00fct\u00f6r kapaklar\u0131, far \u00e7er\u00e7eveleri, silecek kollar\u0131, sigorta kutular\u0131 ve elektrikli gaz kelebe\u011fi g\u00f6vdeleri.<\/li>\n
    • Elektrik ve Elektronik Donan\u0131m:<\/strong> Elektrik konnekt\u00f6r yuvalar\u0131, klemens bloklar\u0131, devre kesici par\u00e7alar\u0131, r\u00f6leler ve optik fiber tampon t\u00fcpleri.<\/li>\n
    • T\u00fcketici ve Ev Aletleri:<\/strong> Sa\u00e7 kurutma makinesi \u0131zgaralar\u0131, \u00fct\u00fc muhafazalar\u0131, mikrodalga f\u0131r\u0131n kap\u0131 kollar\u0131, tost makinesi g\u00f6vdeleri ve f\u0131r\u0131n d\u00f6ner anahtarlar\u0131.<\/li>\n
    • End\u00fcstriyel Makine ve Telekom\u00fcnikasyon:<\/strong> Kimyasal pompa muhafazalar\u0131, \u00e7ark kanatlar\u0131, end\u00fcstriyel valf bile\u015fenleri ve telekom\u00fcnikasyon fiber muhafazalar\u0131.<\/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\/tr\/wp-json\/wp\/v2\/material\/2322","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.jcinjectionmolding.com\/tr\/wp-json\/wp\/v2\/material"}],"about":[{"href":"https:\/\/www.jcinjectionmolding.com\/tr\/wp-json\/wp\/v2\/types\/material"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.jcinjectionmolding.com\/tr\/wp-json\/wp\/v2\/media\/2399"}],"wp:attachment":[{"href":"https:\/\/www.jcinjectionmolding.com\/tr\/wp-json\/wp\/v2\/media?parent=2322"}],"wp:term":[{"taxonomy":"material_type","embeddable":true,"href":"https:\/\/www.jcinjectionmolding.com\/tr\/wp-json\/wp\/v2\/material_type?post=2322"},{"taxonomy":"application_feature","embeddable":true,"href":"https:\/\/www.jcinjectionmolding.com\/tr\/wp-json\/wp\/v2\/application_feature?post=2322"},{"taxonomy":"machining_process","embeddable":true,"href":"https:\/\/www.jcinjectionmolding.com\/tr\/wp-json\/wp\/v2\/machining_process?post=2322"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}