Although It has limitations at higher temperatures and salinity, gypsum remains a valuable option for particular drilling purposes. Gypsum happens in in depth beds associated with other evaporite minerals (e.g., anhydrite and halite), especially in Permian and Triassic sedimentary formations; it is deposited from ocean brine, followed by anhydrite and https://www.propanraya.com/id/produk/eco-gypsum-ee-4050