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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 milky acid sol gel
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    • 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：
      Coating Auxiliary Agents, Electronics Chemicals, Paper Chemicals, Petroleum Additives, Plastic Auxiliary Agents, Rubber Auxiliary Agents, Surfactants, Textile Auxiliary Agents, precision casting .
    • Brand Name：
      Finesilicon
    • Model Number：
      SW
    • low viscosity：
      odorless and non-toxic
    • big surface area：
      milky liquid
    • Deliverability： 1000000 Ton/Tons per Year
    • Port： Qingdao china
    • -/Ton（Minimal Quantities 1Ton）
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    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
    Investment casting material paraffin wax
    US $ 6000-7000
    colloidal silica for wine and fruit juice clarification
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    SIO2 30% colloidal silica used for foundry casting
    US $ 500-1000
    Expanded perlite powder
    US $ 800-999
    zircon sand used for stainless steel
    US $ 1800-2000
    good quality zircon sand
    US $ 1800-2000
    Zircon flour for stainless steel
    US $ 2000-2500
    Paraffin wax (35.5-39.5 % Filled) for foundry casting
    US $ 6000-7000
    silica sol(colloidal silica) for prevision investment casting
    US $ 690-810
    paraffin wax used for precision foundry casting
    US $ 6000-7000
    refractory colloidal silica binder
    US $ 650-850
    zircon sand used for cast steel
    US $ 1800-2000
    Wax for casting
    US $ 6000-7000
    casting wax
    US $ 6000-7000
    colloidal silica(silica sol) for fire-proof industry
    US $ 690-810
    Paraffin wax used for casting
    US $ 3250-3850
    Investment casting materials colloidal silica
    US $ 500-1000
    lost wax investment casting
    US $ 6000-7000
    precision lost wax investment casting
    US $ 6000-7000
    zircon sand in refractory
    US $ 1800-2100
    • 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：
      Coating Auxiliary Agents, Electronics Chemicals, Paper Chemicals, Petroleum Additives, Plastic Auxiliary Agents, Rubber Auxiliary Agents, Surfactants, Textile Auxiliary Agents, precision casting .
    • Brand Name：
      Finesilicon
    • Model Number：
      SW
    • low viscosity：
      odorless and non-toxic
    • big surface area：
      milky liquid

    Specifications

    acid sol gel
    fireproof material
    coating industry paper making
    sizing agent in textile dustry
    big specific surface area

    There are nine kinds of colloidal silica in our company; 33 varieties altogether, which are shown below:

     

    Kinds

    Varieties

    Na-stabilizer

    JN-10

    JN -15

    JN -20

    JN -25

    JN -30

    NH3-stabilizer

    NS-10

    NS-15

    NS-20

    NS-25

    NS-30

    Acidic

    SW-20

    SW-25

    SW-30

     

     

    Neutral

    ZS-20

    ZS-25

    ZS-30

     

     

     

     

    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

     

          

     

    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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