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Plaster City, California is a company town with a large gypsum quarry and plant owned by United States Gypsum (USG) [1] in Imperial County, California.It is located 17 miles (27 km) west of El Centro, [1] at an elevation of 105 feet (32 m), a two-hour drive south of Palm Springs, or a 90 minute drive east from San Diego.
USG has a large gypsum plant located 17 miles (27 km) west of El Centro, California, along highway Interstate 8, at Plaster City. [25] The Plaster City location makes Sheetrock brand gypsum panels. The gypsum is mined from a quarry located 20 miles (32 km) to the north, in the Fish Creek Mountains of Imperial County. The quarry is estimated to ...
The company produces cement, concrete, construction aggregate, gypsum, wallboard, paperboard, and sand for hydraulic fracturing. [ 1 ] As of 2023, the company operates 7 cement plants, 1 slag grinding facility, 17 cement distribution terminals, five gypsum wallboard plants, 3 frac sand wet processing facilities, 3 frac sand drying facilities ...
National Gypsum Company is a company based in Charlotte, North Carolina, that produces drywall gypsum boards in the US. It has 17 gypsum board plants in the US and presents itself as a fully integrated building products manufacturer. [ 1 ]
The company was established in 1904 as the General Roofing Manufacturing Company by George M. Brown in East St. Louis, Illinois, with $25,000 in start-up capital.In 1917, the company restructured, incorporated, and changed its name to the Certain-teed Products Corporation.
Phosphogypsum stack located near Kėdainiai, Lithuania. Phosphogypsum (PG) is the calcium sulfate hydrate formed as a by-product of the production of fertilizer, particularly phosphoric acid, from phosphate rock. It is mainly composed of gypsum (CaSO 4 ·2H 2 O).
Lafarge purchased a plant from the National Gypsum in early 1987. [7] Ten years later, it bought Redland plc, a British quarry operator. [8] In 1999, Lafarge acquired a 100% shareholding in Hima Cement Limited, the second-largest cement manufacturer in Uganda, with an installed capacity of 850,000 metric tonnes annually, as of January 2011. [9]
A gypsum block is made of gypsum plaster and water. The manufacturing process [1] is automated at production plants where raw gypsum (CaSO 4 ·2H 2 O) is ground and dried, then heated to remove three-quarters of the bound water and thus transformed into calcium sulfate hemihydrate (CaSO 4 ·½H 2 O), also known as gypsum plaster, stucco, calcined gypsum or plaster of Paris.