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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

    large supply of high quality neutral silica sol
    Follow
    • Classification：
      Chemical Auxiliary Agent
    • CAS No.：
      7631-86-9
    • Other Names：
      silica sol
    • MF：
      mSi2o nH2O
    • EINECS No.：
      JYD
    • Purity：
      20%-40%
    • Place of Origin：
      Shandong, China (Mainland)
    • Type：
      Adsorbent
    • Adsorbent Variety：
      Activated Carbon
    • Usage：
      Coating Auxiliary Agents, Electronics Chemicals, Leather Auxiliary Agents, Paper Chemicals, Plastic Auxiliary Agents, Rubber Auxiliary Agents, Surfactants, Textile Auxiliary Agents, investment casting
    • Brand Name：
      Finesilicon
    • Model Number：
      ZS-30
    • It is a good adhesive.：
      colloidal Silica belongs to adhesive ,liquid silica.
    • It is odorless, tasteless and non-toxic：
      low viscosity
    • Deliverability： 10000 Ton/Tons per Year
    • Port： Qingdao
    • -/Ton（Minimal Quantities 1Ton）
    Contact Supplier
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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
    Investment casting material paraffin wax
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    silica sol(colloidal silica) for prevision investment casting
    US $ 690-810
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    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：
      mSi2o nH2O
    • EINECS No.：
      JYD
    • Purity：
      20%-40%
    • Place of Origin：
      Shandong, China (Mainland)
    • Type：
      Adsorbent
    • Adsorbent Variety：
      Activated Carbon
    • Usage：
      Coating Auxiliary Agents, Electronics Chemicals, Leather Auxiliary Agents, Paper Chemicals, Plastic Auxiliary Agents, Rubber Auxiliary Agents, Surfactants, Textile Auxiliary Agents, investment casting
    • Brand Name：
      Finesilicon
    • Model Number：
      ZS-30
    • It is a good adhesive.：
      colloidal Silica belongs to adhesive ,liquid silica.
    • It is odorless, tasteless and non-toxic：
      low viscosity

    Specifications

    neutral silica sol
    Used in coating industry
    precision casting of thin covers to increase the cover strength,

    Neutral colloidal silica

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

      Neutral colloidal silica

    Neutral colloidal silica is of three types, ZS-20, ZS-25 and ZS-30. Their standards are as follows:

    Designation

    Standards

    ZS-20

    ZS-25

    ZS-30

    Appearance

    Slight milky transparent to translucent liquid

    SiO2 (wt%)

    20±1%

    25±1%

    30±1%

    Na2O (wt%)

    ≤0.2%

    PH (20°C)

    6.5-8.0

    Density (20°C,g/cm3)

    1.12-1.14

    1.15-1.17

    1.19-1.21

    Viscosity(20°C,mPaS)

    ≤10

    Particle size (nm)

    8-20

     

    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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