Calcium sulfate
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Calcium sulfate is an inorganic salt with the chemical formula CaSO4. It occurs in several hydrated forms; the anhydrous state is a white crystalline solid often found in evaporite deposits. Its dihyd
Calcium sulfate hemihydrate powder
The desiccant Drierite
Drywall
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Drywall is a panel made of calcium sulfate dihydrate, with or without additives, typically extruded between thick sheets of facer and backer paper, used in the construction of interior walls and ceili
Calcium sulfate
…then increases more rapidly. The equation for the partial dehydration is: The endothermic property of this reaction is relevant to the performance of drywall, conferring fire resistance to residential and other structures. In a fire, the structure behind a sheet of drywall will remain relatively cool as water…
Various sized cuts of 1⁄2 in (13 mm) drywall with tools for maintenance and installation
Vertically hung drywall with joint compound
Applying "joint compound" to drywall
Drywall water damage in a closet