... Dispersion) SmectiteNanometer montmorillonite belongs to smectite(including calcium,sodium,sodium-calcium,magnesium smectite),made from shelling,dispersing,purifying,grading ... AdditiveMade from the composites of saponite and calcium bentonite by special process,the products of ... manufacturing and the trading of titanium dioxide,Calcium hydroxide,Calcium carbonate,Silicon dioxide,Pulvistalci.etc.We have ...