晶宏塑胶有限公司坐落于樟木头镇塑胶城,我公司长期经营PBT基础创新,PBT 美国杜邦 , PBT 日本三菱工程 ,PBT 日本东丽 ,PBT 韩国LG , PBT 日本 ,PBT 荷兰 ,PBT 美国液氮,PBT 美国泰科纳 ,PBT 德国巴斯夫 ,PBT 德国朗盛 , 货源稳定,质量保证,原厂原包,假一罚十。可提供***、ROHS、UL黄卡、MSDS、FDA、COA、PDF物性表等各项数据,欢迎来电洽谈!
PBT加工工艺:PBT快的充填速度,一般会使流程加长,适合填充薄壁型材,并形成叫好的表面光洁度.PBT对于厚壁制品,慢速充填有助于减少空隙.PBT当使用窄浇口时,壁厚段的充填速度应减低,以帮助保压.PBT对于小浇口(针尖形浇口)的制件,建议采用程序,开始时可使用较慢的速度,一减少剪切,漩纹和物料的烧焦.PBT 通常我们建议PBT采用中高速的速度,以便提高表面光光泽度和提高接合线强度.量:建议量为机器容量的35%~85%,对于颜色控制严格的混合牌号,PBT建议量尽可能接近机器容量的63%,以减少滞留时间
PBT processing technology: the fastest filling speed of PBT generally lengthens the process, which is suitable for filling thin-walled profiles and forms a good surface finish. For thick walled products, slow filling helps to reduce voids. When narrow gate is used in PBT, the filling speed of thick wall section should be reduced to help maintain pressure. For parts with small gate (needle shaped gate), programmed injection is recommended, Injection volume: the recommended injection volume is 35% ~ 85% of the machine capacity. For mixed brands with strict color control, the injection volume should be close to 63% of the machine capacity, To reduce residence time
PBT发展概述:PBT在1970年代初期由美国Celanese公司研究成功,并以Celanex商品名上市,随后世界厂商德国BASF、Bayer、美国GE、Ticona,日本Toray、三菱化学,闽台新光合纤、长春人造树脂、南亚塑料等公司先后投入生产行列,**生产厂商共计三十余家。PBT又可称为热塑性聚酯塑料,为适用于不同加工业者使用,一般多少会加入添加剂,或与其它塑料掺混,随着添加物比例不同,可制造不同规格的产品,目前岛内规格有百余种,故PBT是一种量少、规格多的产品。
Overview of PBT development: in the early 1970s, PBT was successfully researched by Celanese company of the United States, and was listed under the trade name of celanex. Subsequently, world famous manufacturers such as BASF, Bayer, Ge, Ticona of the United States, Toray and Mitsubishi Chemical of Japan, new optical fiber of Taiwan, Changchun artificial resin and South Asia plastic materials were successively put into production. There were more than 30 global manufacturers. PBT can also be called thermoplastic polyester plastics. In order to be suitable for different processing industries, additives are usually added or mixed with other plastics. With the different proportion of additives, different specifications of products can be manufactured. At present, there are more than 100 specifications in the island, so PBT is a product with less quantity and more specifications.
PBT is widely used in electronic and electrical fields, accounting for 50% of the total production of PBT: Computer / electrical connector, contactor, coil framework, connector, relay, fuse, regulator, temperature control switch, temperature control protector, decorative lamp holder, switch socket, induction cooker chassis, heater outlet, radiator fan wing, transformer coil framework, high voltage and high current Voltage break switch framework, computer fan, energy-saving lamp cap, electrical switch, electronic ballast , hair dryer, electric oven, rice cooker, microwave oven, water pump accessories and electric tool accessories, etc.; the application of PBT in automobile field accounts for 30% of the total production of PBT; it is mainly used for distributor cover, rotor, ignition coil cover, wiring terminal and transmission of high-voltage contactless igniter Sensor box, front and rear lamp holder, integrated circuit box, micro motor back cover, air-conditioning fan, etc. the application of PBT communication field accounts for 20% of the total production of PBT. It is mainly used in the integrated module, wiring board, capacitor and antenna sheath of program-controlled telephone
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