一区二区视频网站|特级特黄高潮毛片|久草日本亚洲一区|萱萱影视影音先锋|国产精品一二三久|vivi青草视频|久草加勒比视频网|成人免费中文字幕|91中文字幕AⅤ|一二三区视频观看

Index name	Index
Appearance	White powder
Effective composition	≥34%

Usage: Even mixture of Protective agent SP and light calcium carbonate,, which after the process of high temperature heating, used in the rubber field processing, which could regulate the effective composition according to clients' requirement.

Packing: 25Kg Three kind of material kraft paper bag

  Previous product： Rubber antioxidant RD (TMQ)