46% mgcl2 flake used for mgo board production 1. Used for mgo board production 2. Purity above 93% or above ... has certain corrosion resistance. For making metal magnesium, disinfectants, frozen brine, pottery and porcelain, and used to fill the fabric, ... as glass fiber tiles, decorative materials, sanitary ware, ceiling, floor brick, magnesia cement, ventilation pipes, anti-theft covers, fireproof ...