Knowledge

Building gypsum is divided into three grades: excellent, first grade and qualified. The density of building gypsum is 2.502.80g/cm3, and the bulk density is 800-1100kg/m3. Building

Gypsum board is a new type of ceiling decoration material widely used at present. With its good decorative effect and better sound-absorbing performance and low price by many owner

According to the use, it is divided into surface plaster plaster (F), bottom plaster plaster (B) and thermal insulation plaster plaster (T). Where: surface plaster plaster (F) usua

Anhydrite is a mineral - anhydrous calcium sulfate, CaS04. It is in the orthorhombic crystal system, with three directions of perfect cleavage parallel to the three planes of symme

Gypsum self-leveling gypsum is also called self-leveling gypsum short for ground leveling gypsum, also known as gypsum base self-leveling mortar, is made of gypsum materials, speci

Fluogypsum is synthetic anhydrite, similar in composition to natural gypsum, Widely used, the main production of building materials. Anhydrite is a crystalline mineral, chemically

Acid impurity fluorine gypsum (pH=3 or so) has a slight impact on the cement indicators, does not affect the strength and stability of cement, in line with the national standards,

Gypsum belongs to monoclinic crystal system, high cleavage degree, easy to split into thin slices, heating gypsum to 100 ~ 200°C, lose part of the crystallizing water, can get semi

Gypsum: an old product with a new use Gypsum is calcium sulfate (CaSO 4 ). Refined gypsum in the anhydrite form (no water) is 29.4 percent calcium (Ca) and 23.5 percent sulfur (S).

Anhydrite is an anhydrous calcium sulfate with a composition of CaSO 4 . It is closely related to gypsum, which has a chemical composition of CaSO 4 .2H 2 O. The worldwide abundanc

Self-leveling material is a kind of inorganic or organic cementitious material as the base material, adding appropriate amount of aggregate and water reducing agent, water retainin

Synthetic anhydrite also comes from industrial production. It is formed during the production of hydrofluoric acid. Hydrofluoric acid consists of sulfuric acid and fluorite. In a r