T-820B、T-530C、T-500B、T-340B 系列产品是科思姆公司为塑料应用开发的特种炭黑，该系列产品结构低可以赋予注塑产品很好的表面光洁度，不同的比表面积满足不同黑度客户的要求，因此，产品可广泛的应用于PE、PVC、ABS、PP 等各类塑料制品的着色。
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.