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      GS
      • Product introduction
      • Product description
      • Video description
      • Modified sodium Colloidal silica

        It has the advantages of compact, regular shape, smooth surface, clear shell, uniform size etc.

        Item

        Model and Standard

        GS-20

        GS-25

        GS-30

        GS-35

        GS-40

        Appearance

        Slight milky transparent to translucent liquid

        >SiO2 (wt%)

        20±1%

        25±1%

        30.5±1%

        35±1%

        40±1%

        Na2O (wt%)

        ≤0.5%

        ≤0.7%

        pH (20°C)

        9.5-11.0

        Density (20°C,g/cm3)

        1.12-1.14

        1.15-1.17

        1.19-1.21

        1.24-1.25

        1.28-1.30

        Viscosity (20°C,mPa•S)

        ≤10

        ≤35

        Particle size (nm)

        8-15

        10-20

        Stability

        Two years

        One year

        6 months

      Products

      R & D

      Contact us

      Email:yd@zjyuda.net.cn
                   flytc2012@163.com
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