... - stable supply Magnesium Chloride.hexahydrateSPEC: - white flake- purity(MgCl2): 46% min- Calcium (Ca): 0.14% max- sulphate (SO4): 1% max- Chloride (Cl): 0 ... to make hard corrosion resistance magnesia cement, artificial marble, floor, ceiling, decorative board, fireproof board, partition board, Magnesite well lid, bathtub, door ...