Crude gypsum is applied being a fluxing agent, fertilizer, filler in paper and textiles, and retarder in portland cement. About 3-fourths of the full generation is calcined for use as plaster of paris and as building elements in plaster, Keene’s cement, board solutions, and tiles and blocks. About geological time https://www.propanraya.com/id/produk/eco-gypsum-ee-4050