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      2. 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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        Copyright(C)2020,Zhejiang Yuda Chemical Industry Co., Ltd. All Rights Reserved. Supported by ChemNet ChinaChemNet Toocle 31fabu Copyright Notice

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