Crude Gypsum is applied for a fluxing agent, fertilizer, filler in paper and textiles, and retarder in portland cement. About 3-fourths of the entire output is calcined to be used as plaster of paris and as building components in plaster, Keene’s cement, board products, and tiles and blocks. Wall Coating: https://www.propanraya.com/id/produk/eco-gypsum-ee-4050