Material is supplied in 25KG P.P. Bags. The Purity (CaSO4 2H2O) of the Natural Gypsum Powder we supply is 95-96%. More details on the analysis upon request. The indicated price is per MT. Suitable for plastering and construction. Initial Setting Time: 9 to 10 Minutes Final Setting Time: 18 to 20 Minutes Whiteness : %95 Finesse (Mesh): Mesh 200