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    安達有色金屬

    Anda Nonferrous Metals

    PRODUCTS

    Anda Nonferrous Metals

    Tungsten trioxide

    Chemical formula: WO3

    Properties: light yellow powder, insoluble in water and acid (except for HF), can slowly dissolved in concentrated alkali solution.

    Specifications:

    Grade
    FWO3-1
    FWO3-2
    FWO3-3
    WO3 (%)≥
    99.95
    99.9
    99.5
    Impurity content
    (as WO)
    not more than
    %
    Pb
    0.0005
    0.001
    /
    Bi
    0.0005
    0.001
    /
    Sn
    0.0007
    0.001
    /
    Sb
    0.001
    0.001
    /
    As
    0.002
    0.002
    0.010
    Fe
    0.001
    0.005
    0.010
    Al
    0.001
    0.001
    0.002
    Si
    0.002
    0.003
    0.008
    Ni
    0.0007
    0.002
     
    Ca
    0.002
    0.003
    (Ca+Mg)
    0.015
    Mg
    0.001
    0.004
    (Mg+Ca)
    0.015
    K
    0.002
    0.002
    (K+Na)
    0.015
    Na
    0.002
    0.004
    (Na+K)
    0.015
    Cu
    0.0007
    0.001
    /
    Mn
    0.001
    0.002
    /
    Mo
    0.005
    0.03
    0.10
    P
    0.0007
    0.004
    0.015
    S
    0.001
    0.001
    0.007
    Chlorination residue
    /
    /
    0.07
    Loss on ignition (%)
    0.5
    0.5
    0.5
    Sieving size (mesh)
    -40 100%
    -40 100%
    -40 100%
    Bulk density g/cm3
    0.5-2.5

    Uses: Used in the manufacture of metal tungsten powder, tungsten carbide powder, tungsten carbide and other tungsten products.
    Packing: 25kg Cardboard barrel or plastic woven bag .
    Not: special specifications are negotiable.

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