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Product


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