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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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