婷婷激情综合_偷偷操不一样的久久_欧美三区在线_gayxxxxgay国产

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)