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1.Product name: Flame retardant zinc borate
2.Appearance:White Powder
3.Molecular Formula:2ZnO.3B2O3 3.5H2O
Product name:Flame retardant zinc borate
Uses:It can be used as multi-functional synergistic additives with antimony oxide or other halogenated flame retardants to significantly improve the flame retardant performance, remove smoke emission and adjust the balance on chemical, mechanical, electrical etc properties.
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Zinc Borate |
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Molecular Formula |
2ZnO .3B2O3 3.5H2O |
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CAS No. |
12536-65-1 |
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Item/Grade |
Excellent grade |
First grade |
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Whiteness |
99 |
95 |
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Appearance |
White Powder |
White Powder |
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Particle size, um |
3-5 |
3-5 |
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Surface water |
0.5%max |
1.0%max |
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ZnO |
37.0-40.0% |
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B2O3 |
45.0-48.0% |
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Loss on ignition |
13.5-15.5% |
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Fineness (Residue on 45um sieve ) |
0.1%max |
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Specific gravity(g/cm3) |
2.67 |
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Melting point |
980°C |
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Temp. of dehydration |
320°C |
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Refractive index |
1.58 |
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Package |
25kgs PE / PP Bags |
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