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  • Application industry
    Contact Us
    Add: Longda Industrial Park,Gudi Street,Weifang City,China
    Tel: +86-536-7569886
    Fax: +86-536-7567369
    E-mail: longda@wflongda.com
     
    Products  

    Rubber grade zinc oxide

    Uses: Rubber grade zinc oxide is mainly used in the production of radial tires, bias tires, conveyor belts, hose, rubber belt, rubber shoes and latex gloves, . The performance of their products fully comply with the standards of CHina, State Ministry of Chemical Industry and ASTM.

    Standard:GB/T3185-92

    Item
    Index
    Model
    Top grade
    First grade
    Qualified product
    Zinc oxide (as ZnO)%,≥
    99.7
    99.5
    99.4
    Metals (as dry)%,≤
    No
    No
    0.008
    Lead oxide (as Pb)%,≤
    0.037
    0.05
    0.14
    Manganese oxide (as Mn)%,≤
    0.0001
    0.0001
    0.0003
    Copper oxide (as Cu)%,≤
    0.0002
    0.0004
    0.0007
    Insoluble matter in HCl%,≤
    0.006
    0.008
    0.05
    Loss on ignition%,≤
    0.20
    0.20
    0.20
    Residue on sieve (45um) %,≤
    0.10
    0.15
    0.20
    Water soluble matter %,≤
    0.10
    0.10
    0.15
    Volatile matter on 105oC%,≤
    0.3
    0.4
    0.5


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