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    • Qingdao FSK Foundry Materials Co., Ltd. Follow
      • colloidal silica,silica sol,zircon sand flour,slag remover,carbon
      No. 18, Dasha Road, Sifang District, Qingdao, Shandong, China (Mainland)
      Totally has 1 empolyees in Tradesns

    manufacturer acidic silica sol
    Follow
    • Classification：
      Chemical Auxiliary Agent, Other Adhesives
    • CAS No.：
      7631-86-9
    • Other Names：
      silica sol
    • MF：
      mSi2O nHO2
    • EINECS No.：
      JYD
    • Purity：
      20%-40%
    • Place of Origin：
      Shandong, China (Mainland)
    • Type：
      Adsorbent
    • Adsorbent Variety：
      Silica Gel
    • Usage：
      Coating Auxiliary Agents, Electronics Chemicals, Leather Auxiliary Agents, Paper Chemicals, Petroleum Additives, Plastic Auxiliary Agents, Surfactants, Textile Auxiliary Agents, Water Treatment Chemicals, casting investment casting, Construction, Footwear & Leather, Packing, Transportation
    • Brand Name：
      finecolloidal
    • Model Number：
      sw
    • colloidal Silica belongs to adhesive：
      colloidal Silica belongs to adhesive ,liquid silica
    • It is odorless, tasteless and non-toxic：
      molecular formula is mSiO2.nH2O
    • colloid grains are minute (10-20nm)：
      relatively larger specific surface area
    • low viscosity：
      binder of fireproof materials
    • Main Raw Material：
      Silicone
    • Deliverability： 10000 Ton/Tons per Year
    • Port： Qingdao China
    • -/Ton（Minimal Quantities 1Ton）
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    Alias·zhang
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    Qingdao FSK Foundry Materials Co., Ltd.
    China Shandong Qingdao
    Trading Company
    51 - 100 People
    Export Model:Have Own Export License
    Export Identification:Organization Code Certificate,CHINA FOUNDRY ASSOCIATION MEMBERSHIP CERTIFICATE,Business License,Tax
    Main Products:colloidal silica,silica sol,zircon sand flour,slag remover,carbon
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    • Products Description
    • Review List
      Quick Details
    • Classification：
      Chemical Auxiliary Agent, Other Adhesives
    • CAS No.：
      7631-86-9
    • Other Names：
      silica sol
    • MF：
      mSi2O nHO2
    • EINECS No.：
      JYD
    • Purity：
      20%-40%
    • Place of Origin：
      Shandong, China (Mainland)
    • Type：
      Adsorbent
    • Adsorbent Variety：
      Silica Gel
    • Usage：
      Coating Auxiliary Agents, Electronics Chemicals, Leather Auxiliary Agents, Paper Chemicals, Petroleum Additives, Plastic Auxiliary Agents, Surfactants, Textile Auxiliary Agents, Water Treatment Chemicals, casting investment casting, Construction, Footwear & Leather, Packing, Transportation
    • Brand Name：
      finecolloidal
    • Model Number：
      sw
    • colloidal Silica belongs to adhesive：
      colloidal Silica belongs to adhesive ,liquid silica
    • It is odorless, tasteless and non-toxic：
      molecular formula is mSiO2.nH2O
    • colloid grains are minute (10-20nm)：
      relatively larger specific surface area
    • low viscosity：
      binder of fireproof materials
    • Main Raw Material：
      Silicone

    Specifications

    Silicon sol
    1 Slight milky transparent to translucent liquid
    2,binder of fireproof materials coating industry

    Acidic colloidal silica (silicon dioxide,silica sol)Particle size 8-20(nm),low impurity, high diaphaneity, etc

    There are 3 types of Acidic colloidal silicaincluding SW-20, SW-25 and S-30.Their standards are:

     

     

    Designation

    Standard

     

    SW-20

    SW-25

    SW-30

    Appearance

    Slight milky transparent to translucent liquid

     

    SiO2 (wt%)

    20±1%

    25±1%

    30±1%

     

    Na2O (wt%)

    ≤0.1%

     

    PH (20°C)

    ≤4.0

     

    Density (20°C,g/cm3)

    1.12-1.14

    1.15-1.17

    1.19-1.21

    Viscosity(20°C,mPaS)

    ≤7

     

    Particle size(nm)

    8-20

     

    Stability

    3 months

     

     

    [Term of validity]
    One year for the alkali based, half a year for the acid based.

     

    Packing & Storage

    Colloidal silica is packed in 25kg,250kg or 1000kg plastic drums.

     

    Store the colloidal silica at a temperature between 0 and 50, avoid exposure to the air, and insulate it from the sun.

    Wash the empty drums as quickly as possible to avoid SiO2 crystalline deposits.

    If you want to remove the deposition from empty drums, use a 10-percent NaOH solution at 50~60.

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