Used in oil well drilling,used as well drilling fluid,completion fluid,well cementation fluid, workouer fluid, dehydrant . CAS No.: 10043-52-4Content : 85%,90%,94%,95%,96% Shape: powder,flake, pellet and granularGrade:Tech grade,Food gradePacking: 25kgs PP/PE bag or 1000kg/bag calcium chloride anhydrous