Calcination: The powdered gypsum is heated to eliminate h2o molecules, generating unique forms of plaster depending upon the temperature and period of heating. Altered Soil pH: Gypsum may have a liming effect on soil. This could certainly raise pH concentrations, which makes it additional alkaline. This can be hazardous to plants https://www.propanraya.com/id/produk/eco-gypsum-ee-4050