... a white crystal, and could be divided into: flake, granular, and powdery; And it also could be divided into ... one): 70% ,72%,74%,76%b. calcium chloride dehydrate(granular one): 72%,76%c. calcium chloride dehydrate(powdery one): ... flake one): 92%,95%,98%b. anhydrous calcium chloride (granular one): 92%,95%,98%c. anhydrous calcium chloride(powdery ... metal (Pb)%≤0.0010.0010.001 (74,77,94%) calcium chloride