91?清视频在线免费?看_99re6这里只有精品视频6_www.成人动漫_青青青青娱乐_小婕子伦流澡到高潮视频_亚洲综合AV永久无码精品一区二区

T-820B、T-530C、T-500B、T-340B 系列產品是科思姆公司為塑料應用開發的特種炭黑，該系列產品結構低可以賦予注塑產品很好的表面光潔度，不同的比表面積滿足不同黑度客戶的要求，因此，產品可廣泛的應用于PE、PVC、ABS、PP 等各類塑料制品的著色。

T-820B、T-530C、T-500B、T-340B are special blacks series developed by CSM for plastics applications. These grades have low structure to impart glossy surface on injection molding products and different surface area to meet various jetness requests. Therefore,these grades could be widely used in various plastics like PE, PVC, ABS, PP etc.