Gypsum is widely used in the construction materials industry: (1) Use gypsum as a cementitious material for the preparation of gypsum-based mortar, such as wall plaster, adhesive plaster and gypsum-based self-leveling mortar; (2) Use gypsum for the processing and production of gypsum products, mainly including paper-faced plasterboard, fiber plasterboard and decorative plasterboard. The plasterboard has.. read more →
The addition of lime into the cement mortar can improve the workability and construction performance, improve the bonding strength, reduce cracking and compensate for micro-cracks. When the dosage of lime paste is small, it has little effect on the strength of mortar, but when the dosage of lime paste is great, it will significantly reduce.. read more →
Building gypsum has the following properties: Fast setting and hardening Building gypsum has fast setting and hardening speed. Usually, it achieves the initial setting within a few minutes at room temperature after mixing with water, and reaches the final setting within 30min. The setting time can be adjusted by adding retarders or coagulants. .. read more →
In the construction work, lime is mainly used for masonry wall or plastering work. The lime paste is used as a water-retaining thickening material, with such advantages as good water retention and low price, effectively avoiding the poor adhesion between the mortar and the substrate or the block material resulting from the water absorption of.. read more →