What Is Calcium Bentonite Used For? Natural calcium bentonite is the basic raw material for deep and refined processing of bentonite. It has excellent properties such as water absorption, swelling, suspension, cohesiveness, plasticity, and fire resistance. Calcium Clay Application It is mainly used in the three major fields of mechanical casting, metallurgical pellets, and drilling mud. It can also be widely used in fertilizers, pesticides, feed, coatings, textile printing and dyeing and other industries. Calcium Bentonite Powder Technical Parameter Size Appearance Moisture Passing rate Colloid Index Expansionmultiple Packing 200mesh Powder 13% 95% 60 12 25KG/40KG/1000KG If you want to know more about calcium bentonite benefits for skin, please visit ou website. As one of chemical products suppliers, we will do our best to meet all the needs of customers.