... ) SmectiteNanometer montmorillonite belongs to smectite(including calcium,sodium,sodium-calcium,magnesium smectite),made from shelling,dispersing,purifying,grading ... sealing grease,glass fibers,resin,oil well drilling liquid and cosmetic products,etc.Bentonite For Drilling ... manufacturing and the trading of titanium dioxide,Calcium hydroxide,Calcium carbonate,Silicon dioxide,Pulvistalci.etc.We have ...