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Assisted by our experienced professionals and hi-tech manufacturing unit, we provide our clients with quality range of Zinc Borate. Zinc Borate can replace antimony oxide as a synergist in plastics and rubber to enhance the activity of primary flame-retardants by stepwise releasing the radicals in a wide variety of end-use products.

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Zinc Borate are also known as ZB2335, Borate Flame Retardant.


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Chemical formula: 2 Zno.3 B2O3.3.5H2O
Appearance: White amorphous powder
Bulk density(g/cm3): 0.3-0.5 gm / cc
pH of filtrate of 20% aqueous: 7.0 -8.0
Sieve residue (200 mesh 75 micron): 0.2% max
Ignition loss (950°C): 15.5% max
Zno Content: 37.0% min
B2O3 Content: 47.0% min

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  • Zinc Borate is used as a flame retardant and smoke suppressant for wide range of plastics, rubbers, paper and textiles
  • Zinc Borate is also used in paints, adhesives, pigments and ceramic industries