Used as an effective cross-linking agent for animal glue, and can increase the viscosity of animal glue. It is also used as a curing agent for urea-formaldehyde adhesives. The curing speed of 20% aqueous solution is faster.
1. Used as a paper sizing agent in the paper industry to enhance the water resistance and impermeability of paper;
2. After being dissolved in water, the fine particles and natural colloidal particles in the water can be coagulated into large flocs, which can be removed from the water, so it is used as a coagulant for water supply and wastewater;
3. Used as turbid water purifier, also used as precipitant, fixative, filler, etc. Used as a raw material for antiperspirant cosmetics (astringent) in cosmetics;
4. In the fire protection industry, it forms a foam fire extinguishing agent with baking soda and foaming agent;
5. Analytical reagents, mordants, tanning agents, grease decolorants, wood preservatives;
6. Stabilizer for albumin pasteurization (including liquid or frozen whole eggs, white or egg yolk);
7. It can be used as raw material for the manufacture of artificial gemstones, high-grade ammonium alum, and other aluminates;
8. In the fuel industry, it is used as a precipitant in the production of chrome yellow and lake dyes, and at the same time it plays a role of fixing and filling.
