Building plaster and building gypsum products

1. Building gypsum coagulation hardening fast. Initial setting time is not less than 6min, final setting time is not greater than 30min, about a week completely hardened.

2. Building gypsum hydration hardening body porosity, low strength. The compressive strength after hardening is only 3 ~ 6MPa, but the strength of different types of gypsum cementitious material after hardening is quite different, such as the strength of the mouth after the gypsum hardening is usually 2 to 7 times higher than the mouth half water gypsum.

3. Building gypsum products, thermal insulation and sound insulation sound performance is good, but poor water resistance. Its thermal conductivity is generally 0.121 ~ 0.205w / (rnK), softening coefficient of only 0.3 to 0.45.

4. Building gypsum products with good fire performance. The main component of the building gypsum after hardening is CaSO4 · 2H2O, when it is in case of fire can be removed from the crystal water, due to the role of high temperature, the surface of the product to form a layer of water vapor film, gypsum powder production equipment to effectively prevent the spread of fire or win valuable Evacuation and fire fighting time. Compared with other interior decoration materials, building gypsum products with this unique performance.

5. Building gypsum products with special "breathing" function. Building gypsum products itself has a large number of micro-larvae L structure, in the natural environment can continue to moisture and moisture, its quality changes with the temperature and humidity changes, gypsum powder production process to maintain a dynamic balance. The biggest feature of this "breathing" function is the ability to automatically adjust the humidity of the living or working environment and create a comfortable local microclimate.

6. Building gypsum products are good decorative, hardening volume slightly inflated. The general expansion value of 0.05% to 0.15%, this micro-expansion of the product surface smooth and smooth, not dry, delicate and smooth, white and beautiful, decorative and sculptural effect is good.

7. Construction gypsum products can be a very good construction, can be sawing, planing, drilling, can be posted, can be nailed, construction and installation of flexible and convenient.