Crude Gypsum is applied being a fluxing agent, fertilizer, filler in paper and textiles, and retarder in portland cement. About three-fourths of the full generation is calcined to be used as plaster of paris and as constructing supplies in plaster, Keene’s cement, board goods, and tiles and blocks. Gypsum is https://www.propanraya.com/id/produk/eco-gypsum-ee-4050