calcined gypsum

calcined gypsum

[′kal‚sīnd ′jip·səm]
(inorganic chemistry)

calcined gypsum

A gypsum that has been partially dehydrated by heating.
References in periodicals archive ?
Effects of some additives on the water requirement of calcined gypsum.
The report also covered the manufacture of quicklime, slaked lime, hydraulic lime, and plasters of calcined gypsum and calcined sulphate, according to GOIC.
The manufacture of cement, lime and plaster includes the manufacture of clinkers and hydraulic cements, including Portland, aluminous cement, slag cement and superphosphate cements, the manufacture of quicklime, slaked lime and hydraulic lime and the manufacture of plasters of calcined gypsum or calcined sulphate.
The manufacture of cement, lime, and plaster includes the manufacture of clinkers and hydraulic cements, including Portland, aluminous cement, slag cement, and superphosphate cements, the manufacture of quicklime, slaked lime, and hydraulic lime, and the manufacture of plasters of calcined gypsum or calcined sulphate.
The mixture is comprised of approximately 10-50% by weight based on the mixture of a redispersible, latex polymer; from approximately 50-90% by weight based on the mixture of a surface enhancing agent, the surface enhancing agent selected to function as both a set accelerator for calcined gypsum and also as a cross-linking agent for the adhesive and selected from the group consisting of potassium sulfate, zinc sulfate, sodium sulfate, magnesium sulfate, copper sulfate, ferrous sulfate, ferric sulfate and aluminum sulfate; and from approximately 0.
Kumgang Korea Chemical has contracted Alstom Power to construct a plant to make calcined gypsum for stucco and wallboard out of the waste from a phosphate processing facility in Korea.
This new industry study, Gypsum Products in North America, presents historical demand data (1998, 2003, 2008) as well as forecasts for 2013 and 2018 for crude gypsum (both mined and synthetic), calcined gypsum products (gypsum board, building plasters, industrial plasters) and uncalcined gypsum products (e.
Contract awarded for 360 plaster band 4 "x 4 a 5 yds, fast curing, porous layers roofing uniformly calcined gypsum (case 4 1/2 h20) bands.
Request for registration of suppliers & agents to supply craft paper & plastic sacks for the packaging of calcined gypsum, Jumbo bag sacks for the same, steel sheets & angles, steel & fiberglass tanks.
Calcined gypsum is transported in tankers and fed pneumatically through pipelines to the stopes.