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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

    specialized production high quality fire-resistant paint
    Follow
    • Classification：
      Chemical Auxiliary Agent
    • CAS No.：
      7631-86-9
    • Other Names：
      silica sol
    • MF：
      mSiO2 nH2O
    • EINECS No.：
      JYD
    • Purity：
      20%-40%
    • Place of Origin：
      Shandong, China (Mainland)
    • Type：
      Adsorbent
    • Adsorbent Variety：
      Silica Gel
    • Usage：
      Electronics Chemicals, Leather Auxiliary Agents, Paper Chemicals, Petroleum Additives, Plastic Auxiliary Agents, Rubber Auxiliary Agents, Surfactants, Textile Auxiliary Agents, painting , casting ,fire-proof materials
    • Brand Name：
      Finesilicon
    • Model Number：
      SW
    • Deliverability： 1000000 Ton/Tons per Year
    • Port： Qingdao china
    • -/Ton（Minimal Quantities 1Ton）
    Alias·zhang
    manager
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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
    • Products Description
    • Review List
      Quick Details
    • Classification：
      Chemical Auxiliary Agent
    • CAS No.：
      7631-86-9
    • Other Names：
      silica sol
    • MF：
      mSiO2 nH2O
    • EINECS No.：
      JYD
    • Purity：
      20%-40%
    • Place of Origin：
      Shandong, China (Mainland)
    • Type：
      Adsorbent
    • Adsorbent Variety：
      Silica Gel
    • Usage：
      Electronics Chemicals, Leather Auxiliary Agents, Paper Chemicals, Petroleum Additives, Plastic Auxiliary Agents, Rubber Auxiliary Agents, Surfactants, Textile Auxiliary Agents, painting , casting ,fire-proof materials
    • Brand Name：
      Finesilicon
    • Model Number：
      SW

    Specifications

    high quality fire-resistant paint
    Silicon sol
    1 Slight milky transparent to translucent liquid
    2,binder of fireproof material

    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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