比较靠谱的赢钱正规棋牌_首页(欢迎您!)

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    Tungstate Acid

    1.Impurity content:

    Type Grade 1 Grade 2 Grade3
    WO3(≥%) 91.0 90.0 85.0
    Impurity content not more than(%) Element Max Max Max
    Al 0.001 0.001 0.001
    As 0.010 0.015 0.020
    Bi 0.001 0.001 0.001
    Ca 0.006 0.008 0.010
    Co 0.001 0.001 0.001
    Cr 0.001 0.001 0.001
    Cu 0.001 0.001 0.001
    Fe 0.003 0.003 0.004
    K 0.001 0.002 0.003
    Mg 0.001 0.001 0.001
    Mn 0.001 0.001 0.001
    Mo 0.015 0.002 0.030
    Na 0.004 0.005 0.005
    Ni 0.001 0.001 0.001
    P 0.002 0.003 0.005
    Pb 0.001 0.001 0.001
    S 0.005 0.005 0.010
    Sb 0.001 0.001 0.001
    Si 0.004 0.005 0.010
    Sn 0.001 0.001 0.001
    Ti 0.001 0.001 0.001
    V 0.001 0.001 0.001

    2.Appearance
    Tungstic Acid is yellow, with color uniform. products do not have impurities which are not visible to be naked eye.

    3.Packing
    The product packaging used steel barrel, polyethylene-lined plastic bags and they should be tightly enclosed separately. The net weight for each is 50、100、200kg.

    If you have any interest in our products, please feel free to contact us by email: sales@chinatungsten.com or by telephone:+86 592 5129696.

     
     
    比较靠谱的赢钱正规棋牌