46% mgcl2 flake used for mgo board production 1. Used for mgo board production 2. Purity above 93% or ... metal magnesium, disinfectants, frozen brine, pottery and porcelain, and used to fill the fabric, paper, etc. Its solution is mixed ... decorative materials, sanitary ware, ceiling, floor brick, magnesia cement, ventilation pipes, anti-theft covers, fireproof doors and Windows, fire prevention board ...