Crude gypsum is made use of to be a fluxing agent, fertilizer, filler in paper and textiles, and retarder in portland cement. About 3-fourths of the total output is calcined for use as plaster of paris and as constructing resources in plaster, Keene’s cement, board items, and tiles and blocks. https://www.propanraya.com/id/produk/eco-gypsum-ee-4050