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          1. 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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