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 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;

Examples of Gypsum in a sentence

  • Gypsum Manufacture of gypsum products at installations where the processes on the site include grinding, calcining and board drying.


More Definitions of Gypsum

Gypsum means Specification Grade Gypsum and Non-Specification Grade Gypsum.
Gypsum means a mineral with the chemical formula CaSO4·2H2O.
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 any gypsum based building material commonly known as drywall, gypsum board, wallboard, plasterboard, rock lath, sheetrock, and/or Gyproc.
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%;
Gypsum is defined in the Preamble to this Agreement.
Gypsum means a very soft sulfate mineral composed of calcium sulfate dehydrate; "halite" means the natural mineral form of sodium chloride, or NaCl;