... , mainly used for ceiling and partition wall.A kind of cost-effective board, be of fireproof, waterproof, heat preservation ... material:magnesium oxide, magnesium chloride, fiberglass mesh, perlite, saw dust, etc.Specifications 1220X2440, 1200x2500/2600/3000, 900X1800, 900X2400 ... pallets can load more fireproof board to reduce the cost in the same container fireproof board as wall board and ceiling ...