Gypsum Is usually a gentle sulfate mineral composed of calcium sulfate dihydrate, With all the chemical formulation CaSO4·2H2O.[4] It is actually extensively mined and is particularly applied being a fertilizer and because the most important constituent in lots of sorts of plaster, drywall and blackboard or sidewalk chalk. More than https://www.propanraya.com/id/produk/eco-gypsum-ee-4050