Crude gypsum is utilised like a fluxing agent, fertilizer, filler in paper and textiles, and retarder in portland cement. About 3-fourths of the entire production is calcined for use as plaster of paris and as building resources in plaster, Keene’s cement, board products and solutions, and tiles and blocks. Gypsum https://www.propanraya.com/id/produk/eco-gypsum-ee-4050