Crude gypsum is applied as a fluxing agent, fertilizer, filler in paper and textiles, and retarder in portland cement. About 3-fourths of the overall generation is calcined to be used as plaster of paris and as building components in plaster, Keene’s cement, board products and solutions, and tiles and blocks. https://www.propanraya.com/id/produk/eco-gypsum-ee-4050