... mostly of the mineral montmorillonite 2,use:piling, foundry, palletizing cosmetics etc Calcium Bentonite for various use BENTONITE INTRODUCTION:Bentonite is absorbent clay ... applications such as sodium Bentonite is used in drilling mud for oil and gas wells, foundry, palletizing, piling, cosmetics, fertilizers, ... ≤13water absorption(2hr)(%)≥500≥300PH 8-10 R0138,Calcium Bentonite for various use