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Shandong Kexing Chemical Co., Ltd.

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

    Zinc borate

    Properties and features:Zinc borate(3.5H2O),zinc borate(7H2O),zinc borate(modified) and Anhydrous zinc borate are the four main types of zinc borate. white powder.Density is 2.67g/cm3. The melting point is 980℃.The refractive index is 1.58.Insoluble in water, alcohol. but soluble in chlorhydric acid, sulfuric acid.

    Quality standard

    Item

    Index

    Zinc borate

    3.5H2O

    Zincborate

    7H2O

    Zincborate

    Modified

    Zincborate

    Anhydrous

    Appearance

    White powder

    B2O3        %

    48±1.5

    41±1.5

    ≥48.0

    52-56

    ZnO        %

    37±1.5

    32±1.5

    ≥37.0

    42-44

    Loss on ignition %

    13.5-15.5

    24.0-26.5

    ≥24

    ≤1.5(400℃)

    Free water %≤

    1.0

    1.0

    1.0

    0.5

    Pass Mesh 325 %≤

    1.0

    1.0

    1.0

    1.0

    Notes: The particle size can be produced according to customer's requirements.

    Use:Zinc borate is inorganic addition flame retardant. it has good hot stability, stops buring and vanishes smokings. It can replace antimonous oxide but also be used with other inorganic flame retardant. Widely used in rubber, plastic, wood, cable, coating, etc.Zinc borate,modified can completely replace zinc borate. It have the advantage of lower price, better effect stops buring and vanishes smokings.

    Package:Paper-plastic bag or plastic weaved bag, lined with PE bag and 25KG or 40KG weight. 

  • Molecular Structure :
    Zinc borate 1332-07-6

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