Anhydrous gypsum is mainly used as polishing powder, paint white pigment, paper filler, gas desiccant, etc., and used in agriculture, metallurgy, etc.
【Chinese name】Anhydrite
【English name】calcium sulfate
【Structure or molecular formula】CaSO4
[Relative molecular weight or atomic weight] 136.14
【Density】2.96
【Melting point (℃)】1450
【Properties】
White crystals.
【Dissolution】
not soluble in water.
【Preparation or Source】
Generally produced naturally, it is also a by-product of the phosphate industry and certain other industries.
【Other】
There are dihydrate (gypsum or gypsum) and hemihydrate (calcined gypsum).
