Zhejiang Shengzhou Wanshida Chemical Co., Ltd.

Flame retardant-Zinc Borate

• Category :

  Catalyst and Auxiliary

• Synonyms :

  Zinc borate;ZINC BORATE EXTRA PURE;zinc hydrogen borate;

• CAS NO :

  1332-07-6

• EC NO :

  215-566-6

• Molecular Formula :

  ZnHBO₃

• Molecular Weight :

  125.2261

• Main Specifications :

  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.

• InChI :

  InChI=1/BHO3.Zn/c2-1(3)4;/h2H;/q-2;+2

• Packing :

  Packing: brown paper double deck tectorial bag, and net weight per bag is 25kg.

• Product description :

  Basic Index

  Molecular formula	2ZnO·3B2O3·3.5H2O	Molecular weight	435.4
  Appearance	white powder	Melting point	980℃

  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

• Uses :

  Inorganic addition flame retardan, Good hot stability, Used in rubber, plastic, cable, wood

• Molecular Structure :