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Yigyooly Chemicals Co., Ltd.
  • Yigyooly Chemicals Co., Ltd.
    Products
    Sodium fluorosilicate
    Molecular formula
    Na2SiF6
    Molecular weight
    188.06
    Dangerous level
    6.1
    Physicochemical properties
    colorless or white hexagonal crystalline powder. Odorless tasteless. Relative density 2.679g/cm3.
    Uses
    Wood industry as antiseptic,
    Quality index
    Index name
    Milky white additive type
    Industrial material type
    Solvent, auxiliary type
    Refractory material type
    Anti-corrosion type
    Top Grade
    First product
    Qualified product
     
     
     
     
     
     
    Sodium fluorosilicate (as dry) %
    ≥99.0
    ≥99.0
    ≥98.5
    ≥97.0
    ≥98.5
    ≥98.5
    ≥97.0
    Fe %
    ≤0.01
    ≤0.02
    ≤0.02
    ≤0.02
    ≤0.02
    ≤0.02
    ≤0.02
    Free acid (HCL)%
    ≤0.10
    ≤0.10
    ≤0.15
    ≤0.20
    ≤0.15
    ≤0.15
    ≤0.20
    Heavy metals (as Pb) %
    ≤0.005
    ≤0.02
    ≤0.05
    ≤0.05
    ≤0.05
    ≤0.05
    ≤0.05
    Water-insoluble matter
    ≤0.30
    ≤0.40
    ≤0.50
    ≤1.00
    ≤0.50
    ≤0.50
    ≤1.00
    Loss on dry at 105℃
    ≤0.3
     
     
     
    ≤0.4
    ≤0.4
    ≤0.6
    Fineness on 250/um sieve %
    ≥99.0
     
     
     
    ≥98.5
    ≥98.5
    ≥97.0