比较靠谱的赢钱正规棋牌_首页(欢迎您!)

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    Sodium Tungstate

    1.Impurity Content

    Type Grade1 Grade2 Grade3
    The content of (%) Sodium tungstate 98.5 98.00 96.00
    Water insoluble 0.01 0.010 0.500
    Chioride 0.001 0.003 --
    Sulfate 0.02 0.050 --
    Arsenic 0.001 0.002 --
    Ferrum 0.002 0.005 0.100
    Molybdenum 0.03 0.050 0.500
    Copper 0.003 0.001 0.500
    Heavy metal 0.002 0.005 --
    PH value 8.5-9 8.5-9 --
    Liquid water content 11-13 -- --

    2.Packing
    cardboard barrels or colored plastic barrels, double lining of polyethylene bags, 25kg,50kg per each.

    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