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    Silica SiO2

    Update: 2013/10/14 View:
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    Introduction
      

    Silica SiO2
    Standard: FCC-1983

      Assay SiO2

    ≧94.0%

      As

    ≤0.0003%

      Heavy metals (as Pb)

    ≤0.003%

      Loss on drying

    ≤7.0%

      Loss on ignition

    ≤8.5%

      Sulifate (as Na2SO4)

    ≤5%

      Screen residue 325 MESH

    ≤5%

      PH volume

    6.0---7.5

      Conclusion

    The specification conforms with FCC--1983

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