Crude Gypsum is applied for a fluxing agent, fertilizer, filler in paper and textiles, and retarder in portland cement. About 3-fourths of the total manufacturing is calcined for use as plaster of paris and as creating products in plaster, Keene’s cement, board goods, and tiles and blocks. Gypsum happens in https://www.propanraya.com/id/produk/eco-gypsum-ee-4050