Taian Yonghe Chemical Co., Ltd.
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  • Contact Person : Ms. Liu Aria
  • Company Name : Taian Yonghe Chemical Co., Ltd.
  • Tel : 86-538-6310996
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  • Address : Shandong,Taian,Zhuanshe, Wenyang Town, Feicheng City
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Zinc Borate ZB- Flame Retardant

Zinc Borate ZB- Flame Retardant
Product Detailed
zinc borate 1.Appearance:white powder 2.Cas no.;1332-07-6 3.Molecular weight: 434.62 4.competitive price and high quality

Zinc Borate

1.Basic Index

Molecular formula

2ZnO·3B2O3·3.5H2O

Molecular weight

435.4

Appearance

white powder

Melting point

980°C

2.Specification

Item/Grade

Zinc borate ( 2ZnO.3B2O3 3.5H2O)

Excellent grade

First grade

Whiteness

99

95

Surface water % ≤

0.5

1.0

Particle size, um

3-5

3-5

ZnO, %

37.0-40.0

B2O3 , %

45.0-48.0

Loss on ignition,%

13.5-15.5

Fineness (Residue on 45um sieve ), %  ≤

0.1

Specific gravity, g/cm3

2.67

Melting pointoC;

980

Temp. of dehydration oC>

320

Refractive index

1.58

3.Application Field      Flame Retardant ZB is inorganic addition flame retardant. Its characteristics are that it has good hot stability, and not only stops buring and vanishes smokings but also be used with other inorganic flame retardant. It is used in epoxy resin, unsaturated polyester, polyurethane, etc. And it is widely used in rubber, plastic, cable, wood,etc.

4.Packing and store 

Packing: brown paper double deck tectorial bag, and net weight per bag is 25kg.store: storing in dry, ventilated and moistureproof conditions.

Zinc Borate ZB- Flame Retardant



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