Summary
This product is usually colorless and transparent crystal, and the color is sometimes gray, light yellow or light brown due to the impurities. Its chemical formula is CaSO4·2H2O, the theoretical composition contains CaO:32.5, SO3:46.6, H2O:20.9 which is no significant changes. Often mixes with clay, organic matter and other mechanical mixing. Sometimes contains SiO2, Al2O3, Fe2O3, MgO, Na2O, CO2, Cl and other impurities.
Usage range
It is one of the important industrial raw materials which is widely used in construction, building materials, industrial mold and art model, chemical industry and agriculture, food processing and pharmaceutical beauty and other applications.
Hard gypsum cement and cementitious materials: Adding moderate activator can produce anhydrite cement or cementitious materials and apply to the reinforcement of soft soil foundation, wall painting, mechanical model, tunnel support and producing fiber pressure plate.
It is the main material of concrete expansion agent, anti-cracking agent and self leveling mortar.
It is used as compound mineralization agent in special cement production.
Technical data
Item | Index |
Appearance | White or light yellow powder |
Density，g/cm3 | 2.3±0.1 |
Size(80~120 mesh),% | ≥80 |
Storage
It should be stored in cool, dry and ventilated areas and avoid being exposed to the sun and rain.
Shelf life: 12 months.
Packaged in 25 kg multi-ply paper sack with waterproof plastic film inside, or based on customers' request.
