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