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Name:Gypsum;

The main chemical composition: calcium sulfate (CaSO4) hydrate;

Chemical formula:CaSO*2H2O;

Molecular weight:**2;

Category: hydrated sulfate;

Inertial state: plate, fibrous, lump, or fine grain;

Density:2.*1~2.*3;

Color: white, colorless, and yellow - red when impurities are contained;

Chemical composition:CaO *2.5，SO3 *6.6，H2O+ *0.9,There are often mechanical mixtures of clay, organic matter, etc.Sometimes it contains SiO2, Al2O3, Fe2O3, MgO, Na2O, CO2, Cl and other impurities.

Characteristics: the microporous structure and heating dehydration of gypsum and its products make it excellent in sound insulation, heat insulation and fire resistance;

Application:
 

• Industrial materials and building materials:cement retarder, gypsum building products, model making;
• Medical food, sulphuric acid production:additive;
• Papermaking, paint:filler;
• Traditional Chinese medicine:raw materials.