Crude gypsum is employed for a fluxing agent, fertilizer, filler in paper and textiles, and retarder in portland cement. About three-fourths of the entire production is calcined for use as plaster of paris and as creating supplies in plaster, Keene’s cement, board items, and tiles and blocks. Fibrous satin-spar’s chatoyancy https://www.propanraya.com/id/produk/eco-gypsum-ee-4050