Jason Standard Paper plaster Board is a board made mainly of gypsum, mixed with fibers and additives to form a core material, and firmly bonded with protective paper. Its main raw materials include gypsum powder, protective cardboard, binders, coagulants, fillers, etc. Natural gypsum ore is the main raw material for manufacturing paper faced plaster boards. Jason Company uses high-purity environmentally friendly desulfurization gypsum.