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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

    precision casting fire-proof silica sol
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    • Classification：
      Chemical Auxiliary Agent
    • CAS No.：
      7631-86-9
    • Other Names：
      silica sol
    • MF：
      mSiO2nH2O
    • 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, Rubber Auxiliary Agents, Surfactants, fireproof material , casting
    • Brand Name：
      Finesilicon
    • Model Number：
      NH
    • tasteless：
      white milky
    • liquid：
      Colorless
    • transparent：
      non-toxic
    • Deliverability： 1000 Ton/Tons per Year
    • Port： Qingdao China
    • -/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
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    US $ 650-850
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    US $ 1800-2000
    Wax for casting
    US $ 6000-7000
    casting wax
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    colloidal silica(silica sol) for fire-proof industry
    US $ 690-810
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    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：
      mSiO2nH2O
    • 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, Rubber Auxiliary Agents, Surfactants, fireproof material , casting
    • Brand Name：
      Finesilicon
    • Model Number：
      NH
    • tasteless：
      white milky
    • liquid：
      Colorless
    • transparent：
      non-toxic

    Specifications

    silica sol
    1 binder of fireproof materials
    2 coating industry
    3 paper making industry

     

    NH4-stabilizer colloidal silica (silicon dioxide,silica sol)Particle size 8-20(nm),low impurity, high diaphaneity, etc.  

    NH4-stabilizer colloidal silica (silicon dioxide,silica sol)

    There are five types of NH4-stabilizer including NS-10, NS-15, NS-20, NS-25 and NS-30.Their standards are:

     

    Designation

    Model and Standard

    NS-10

    NS-15

    NS-20

    NS-25

    NS-30

    Appearance

    Slight milky transparent to translucent liquid

    SiO2

    10±1%

    15±1%

    20±1%

    25±1%

    30±1%

    Na2O (wt%)

    ≤0.1%

    PH (20°C)

    8.5-10.0

    Density (20°C,g/cm3)

    1.06-1.08

    1.08-1.10

    1.12-1.14

    1.15-1.17

    1.19-1.21

    Viscosity (20°C,mPaS)

    ≤10

    Particle size (nm)

    8-20

    Stability

    Two years

     

     

    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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