... white powder, nonpoisonous. Highly efficient, high quality activated clay for animal and plant oils and fats decoloration. Usage: the foundry, metallurgy ... , agriculture, textile, printing and dying, chemical, products for civil use and building, paper making, ceramics, and medical fieldsItemIndexMontmorillonite content70-95%Fineness200 ... N/100mmFiltration≤18 ml sodium bentonite for casting, foundry