... of the mineral montmorillonite 2,use:piling, foundry, palletizing cosmetics etc Calcium Bentonite for various use BENTONITE INTRODUCTION:Bentonite is absorbent ... of volcanic ash, most often in the presence of water. Chemically, it is an impure form of hydrated aluminum ... applications such as sodium Bentonite is used in drilling mud for oil and gas wells, foundry, palletizing, piling, cosmetics, ...