silica sol(colloidal silica) for prevision investment casting - TradeSNS - 江南娱乐客服
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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

    silica sol(colloidal silica) for prevision investment casting
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    • Classification：
      Chemical Auxiliary Agent
    • CAS No.：
      7631-86-9
    • Other Names：
      SILICA SOL
    • MF：
      mSiO2.nH2Om
    • EINECS No.：
      231-545-4
    • Purity：
      30%
    • Place of Origin：
      Shandong, China (Mainland)
    • Type：
      Adsorbent
    • Adsorbent Variety：
      Silica Gel
    • Usage：
      Coating Auxiliary Agents, Petroleum Additives, Surfactants, Textile Auxiliary Agents, Water Treatment Chemicals
    • Brand Name：
      fsk
    • Model Number：
      jn-30
    • NAME：
      COLLOIDAL SILICA
    • OTHER NAME：
      SILICA SOL
    • MODEL：
      JN-25,JN-30,JN-40
    • USAGE：
      INVESTMENT CASTING
    • COLOR：
      MILK WHITE
    • Deliverability： 1000000 Ton/Tons per Month
    • Port： QINGDAO
    • US $ 690-810/Ton（Minimal Quantities 5Ton）
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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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    silica sol(colloidal silica) for prevision investment casting
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    precision lost wax investment casting
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    • Products Description
    • Review List
      Quick Details
    • Classification：
      Chemical Auxiliary Agent
    • CAS No.：
      7631-86-9
    • Other Names：
      SILICA SOL
    • MF：
      mSiO2.nH2Om
    • EINECS No.：
      231-545-4
    • Purity：
      30%
    • Place of Origin：
      Shandong, China (Mainland)
    • Type：
      Adsorbent
    • Adsorbent Variety：
      Silica Gel
    • Usage：
      Coating Auxiliary Agents, Petroleum Additives, Surfactants, Textile Auxiliary Agents, Water Treatment Chemicals
    • Brand Name：
      fsk
    • Model Number：
      jn-30
    • NAME：
      COLLOIDAL SILICA
    • OTHER NAME：
      SILICA SOL
    • MODEL：
      JN-25,JN-30,JN-40
    • USAGE：
      INVESTMENT CASTING
    • COLOR：
      MILK WHITE

    1. colloidal Silica belongs to colloid. 
    2. It is odorless, tasteless and non-toxic. 
    3. applied in painting casting and ceramics industry

    4 Since the colloid grains are minute (10-20nm) and have relatively larger specific surface area, the grains themselves are colorless and transparent, so they do not affect the natural color of the materials to be covered.

    5 With low viscosity, it can soak the places where water soaks, therefore, it shows excellent dispersion and permeability when  mixed with other substances.

    6  When the moisture contained in colloidal silica is evaporated, the colloid grains firmly adhere to the material surface and the combination of silicon and oxygen is then formed between grains. It is a good adhesive. 

    Usage

    1 .used as the cohesive agent for various fireproof materials .it has high bonding strength and high heat-resisting performance (1500-1600°C),ect.

    2 .used in coating industry .it makes the paints firm .it also possesses features ,such as anti-contamination ,dustproof ,anti-aging ,fireproof ,ect .

    3 .used in precision casting of thin covers to increase the cover strength ,improve the casting smooth finish .its molding quality is better than that of water glass .it can be used to replace ethyl silicate for molding so as to reduce the costs and help improve the operating conditions .

    4 .having large specific surface area ,silica sol can be used for making catalyst and as catalyst carrier .

    5 .used in paper-making industry .can be used as the anti-glutinous agent of cellophane ,pre-treatment agent of photographic paper ,skidproof agent of cement bags ,ect .

    6 .used as sizing agent in textile industry .when used with oil agent to process wool and rabbit hair ,it helps improve the processing of wool and rabbit hair ,reduce broken ends ,eliminate flying ,thus improve the finished product rate and increase the economic returns .

    7 .used as the treatment agent of silicon steel plates ,dispersing agent of kinescopes and skidproof agent of floor waxes ,etc.

     

    Technical data

    ITEM

    Alkaline silicon sol

    JN--25

    JN--30

    JN--40

    SiO2,%

    25-26

    30-31

    40-41

    Na2O,%≤

    0.3

    0.3

    0.4

    pH value

    8.5-10.0

    8.5-10.0

    9.0-10.5

    viscosity(25°C),mp a.s ≤

    6

    7

    25

    Density(25°C),g/cm3

    1.15-1.17

    1.19-1.21

    1.28-1.30

    Average particle diameter,nm

    10-20

    10-20

    10-20

     

     

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