... . A large number of useful non-crytalline Sichuan Honghui Technology Co.,Ltd. provides natural mineral Kieselguhr earth powder in Sichuan, China.We ... -140 (%)Refractory Degree650-1250 C Application RangeFilling & Padding Additive for Plastics, Rubber, Paint, Fertilizer, Fodder, Pesticide, Cement, Paper, Grinding, Ceramics, Glass ...