Even Though it's got limits at substantial temperatures and salinity, gypsum stays a precious option for certain drilling applications. Gypsum occurs in in depth beds associated with other evaporite minerals (e.g., anhydrite and halite), specially in Permian and Triassic sedimentary formations; it's deposited from ocean brine, followed by anhydrite and https://www.propanraya.com/id/produk/eco-gypsum-ee-4050