Zinc borate is a white or pale yellow crystalline powder. It is non-toxic, low in water solubility and high in thermal stability, featuring fine particle size and good dispersibility. It integrates functions of flame retardancy, smoke suppression, char formation and anti-dripping, serving as an environmentally friendly halogen-free flame retardant.
Physical & Chemical Properties
Molecular FormulaB2O6Zn3
Density:3.64g/cm³g/cm³
Boiling Point:
Solubility:
Insoluble in water, ethanol and acetone; soluble in dilute hydrochloric acid, sulfuric acid and dimethyl sulfoxide (DMSO).
Molecular Weight:313.79g/mol
Flash Point:
Melting Point:980℃
Uses
1. Plastics / Rubber: Flame retardant and smoke suppressant for PVC, PE, PP, nylon, epoxy resin, rubber, etc.
2. Coatings / Building Materials: Fire retardant coatings, ceramic glazes, decorative boards, cable compounds
3. Textiles / Paper: Flame retardant finishing of fabrics and flame retardant treatment of paper
4. Synergistic effect: Blended with antimony trioxide, aluminum hydroxide / magnesium hydroxide to improve flame retardancy efficiency