gypsum

purity over 90% initial setting 8-12 final setting 18-24

high purity and high whiteness gypsum powder from egypt for plaster and construction Caso4% 91.22 Na2O2 0.03 MgO 1.32

Gypsum is divided into raw gypsum and plaster of Paris. Raw gypsum will be transformed into plaster of Paris after superfine raw gypsum power is heated. Plaster of Paris will solidify when meeting water.