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            Ultrapure
            • Product introduction
            • Product description
            • Video description
            • High purity Colloidal silica

              This kind of product mainly applies to the food, the beverage, the electrolyte, the catalyst etc, which has the high profession of the impurity content reques.

              Item

              Model and Standard

               

              CS-20

              CS-25

              CS-30

              XCS-20

              XCS-25

              XCS-30

              Appearance

              >Slight milky transparent to translucent liquid

              Na2O (wt%)

              ≤0.2%

              SiO2 (wt%)

              20±1%

              25±1%

              30±1%

              20±1%

              25±1%

              30±1%

              "Density (20°C,g/cm3)

              1.12-1.14

              1.15-1.17

              1.19-1.21

              1.12-1.14

              1.15-1.17

              1.19-1.21

              Impurity substance

              Fe

              ≤50ppm

              ≤30ppm

              Cl-

              ≤50ppm

              ≤20ppm

              SO42-

              ≤50ppm

              ≤20ppm

              Al2O3

              ≤100ppm

              ≤30ppm

              CO32-

              ≤100ppm

              ≤10ppm

              Other

              ≤100ppm

              ≤20ppm

              pH(20°C)

              8.0-9.5

              8.0-9.5

              Viscosity (20℃,mPas)

              ≤35

              Particle size (nm)

              8-15

              Stability

              6 months

            R & D

            Contact us

            Email:yd@zjyuda.net.cn
                         flytc2012@163.com
            Ph.+86+575-82153422
            Fax. +86 575-82153702
            Skype: flytc216@outlook.com
            WhatsApp: +86-15658118007

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