Crude gypsum is applied as being a fluxing agent, fertilizer, filler in paper and textiles, and retarder in portland cement. About 3-fourths of the entire output is calcined for use as plaster of paris and as making components in plaster, Keene’s cement, board items, and tiles and blocks. In excess https://www.propanraya.com/id/produk/eco-gypsum-ee-4050