Gypsum definition

Gypsum means a very soft sulfate mineral composed of calcium sulfate dihydrate, with the chemical formula CaSO4·2H2O.
Gypsum means Municipal Solid Waste that comprises board made of several plies of fiberboard, paper or felt bonded to a hardened gypsum plaster core that is also known as drywall and includes gypsum board that has been painted or covered in wallpaper;
Gypsum means material containing the sulphate salt of calcium in either hydrated or anhydrous form where the amount of that salt in the material is not less than 50.0%;

Examples of Gypsum in a sentence

  • These include Fly Ash bricks, hollow bricks, AACs, Fly Ash Lime Gypsum blocks, Compressed earth blocks, and other environment friendly materials.viii.

  • Gypsum Board: Stack large clean pieces on wood pallets or in container and store in a dry location.

  • In case of the Gypsum false ceiling, the marking shall be made in the false ceiling first as per the lighting layout and the cutout shall be made in coordination with the interior contractor.

  • Clean Gypsum Board: Grind scraps of clean gypsum board using small mobile chipper or hammer mill.

  • Gypsum Board Assemblies: Also comply with requirements in ASTM C 840 that apply to framing installation.


More Definitions of Gypsum

Gypsum means any gypsum based building material commonly known as drywall, gypsum board, wallboard, plasterboard, rock lath, sheetrock, and/or Gyproc.
Gypsum means Specification Grade Gypsum and Non-Specification Grade Gypsum.
Gypsum means a mineral with the chemical formula CaSO4·2H2O. (128)(178)“HD-5” or “Special Duty Propane” has the same meaning as contained in
Gypsum means Municipal Solid Waste that comprises board made of several plies of fiberboard, paper or felt bonded to a hardened Gypsum plaster core that is also known as drywall, and includes Gypsum board that has been painted or covered in wallpaper and removed during renovation and demolition;
Gypsum means a mineral with the chemical formula CaSO4·2H2O.
Gypsum means a very soft sulfate mineral composed of calcium sulfate dehydrate; "halite" means the natural mineral form of sodium chloride, or NaCl;
Gypsum means calcium sulfate dihydrate (CaSO4*2H2O) or flue gas synthetic gypsum produced as a byproduct from flue gas desulphurization scrubbers on one or more coal burning electric power generating units.