Crude gypsum is employed to be a fluxing agent, fertilizer, filler in paper and textiles, and retarder in portland cement. About three-fourths of the whole generation is calcined for use as plaster of paris and as creating materials in plaster, Keene’s cement, board products and solutions, and tiles and blocks. https://www.propanraya.com/id/produk/eco-gypsum-ee-4050