Crude Gypsum is employed like a fluxing agent, fertilizer, filler in paper and textiles, and retarder in portland cement. About a few-fourths of the whole creation is calcined for use as plaster of paris and as constructing materials in plaster, Keene’s cement, board solutions, and tiles and blocks. Crystal Technique: https://www.propanraya.com/id/produk/eco-gypsum-ee-4050