ZINC BORATE
- CAS No.138265-88-0
If you have special requirements for Zinc Borate with low ion contents (sodion, sulfate ion), please let us know.
TDS Zinc Borate 3.5 H2O | |
ZnO, % | 37.5-39.5 |
B2O3, % | 47.0-49.0 |
Surface Water, % | ≤0.5 |
H2O (Hydrate), % | 13.5-15.0 |
Particle size range, μm | 2-5 8-10 |
Melting point, ℃ | 980 |
Loss crystalline water temperature | >320 |
Refractive index | 1.58 |
Specific gravity, g/cm3 | 2.67 |
Residue on 45 um sieve, % | ≤0.05 |
Pb ppm | ≤10 |
Cd ppm | ≤5 |
Fe ppm | ≤30 |
Whiteness, % | 97 |
Flame Retardant
Smoke Suppressant
In contrast to antimony oxide, which promotes smoke formation, zinc borate reduces smoke emission
Synergist with antimony oxide
Use in conjunction with antimony oxide to give synergistic effect
Synergist with Alumina Trihydrate (ATH) or Magnesium compounds
Use in conjunction with alumina trihydrate or magnesium compounds such as magnesium hydroxide and magnesium carbonate to give synergistic effect
Acid Suppressant
Low HCl/acid value
Afterglow Suppressant
ｃｈａｒ Promoter
Form a glassy layer
Corrosion Inhibition
Used in flame retardant vinyl chloride latex formulations, as an adhesive in bonding fiberglass insulation to aluminum foil
Low Tinting Strength
Has a refractive index similar to most polymer systems, which results in the retention of considerable translucence, which allows the use of lower pigment loading as compared to antimony oxide
Considered Low Toxicity