A world class manufacturer & supplies of lost wax investment castings in China. Welcome you to our web site, we hope you enjoy your visit. you enjoy
      ISO 9001:2008
TS 16949:2009
ISO 14001:2004
A world class manufacturer & supplier of lost wax investment castings in carbon steel and alloy steel, is one of the large-scale professional investment casting production bases in China, consisting of both two casting foundry & two machining factory. Annually more than 15000 tons Precision casting parts are exported to markets in Europe,America and Japan. welcome you to our web site, we hope you enjoy your visit
 
 
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浇铸的概述

是塑料加工的一种方法。浇铸早期的浇铸是在常压下将液态单体或预聚物(见聚合物)注入模具内,经聚合而固化成型,变成与模具内腔形状相同的制品。20世纪初,酚醛树脂最早用浇铸法成型。
30年代中期,用甲基丙烯酸甲酯的预聚物浇铸成有机玻璃(见聚甲基丙烯酸甲酯)。第二次世界大战期间,开发了不饱和聚酯浇铸制品,其后又有环氧树脂浇铸制品,60年代出现了尼龙单体浇铸(见聚酰胺)。随着成型技术的发展,传统的浇铸概念有所改变,聚合物溶液、分散体(指聚氯乙烯糊)和熔体也可用于浇铸成型。用挤出机挤出熔融平膜,流延在冷却转鼓上定型,制得聚丙烯薄膜,被称为挤出-浇铸法。

 
 
Sales:Phone: 0086-574-88065888,88063688,13906686835 Fax:0086-574-88471818
WebSite:http://www.hwcastings.com E-mail:sale@lx8.cn
Add:No.2086 Ningheng South Road, Hengxi Town,Yinzhou, Ningbo,315131,Zhejiang , China