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Silicon carbide crystal boat

  • Finished product characteristics

    ● High purity ● High strength ● High hardness ● High wear resistance ● High temperature resistance ● High corrosion resistance, ● good thermal resistance and shock resistance ● Good self-lubrication ● Large thermal conductivity and high oxidation resistance Excellent performance ● Light weight

  • Product characteristics

    Zhongli Silicon carbide crystal boat adopts high purity silicon carbide powder > 99.9%, through dry pressing or isostatic pressing molding, atmospheric pressure sintering, products do not contain metal impurities such as metal silicon. According to customer design and production of various types of specifications, stable quality, reliable delivery, maximum use temperature up to 1800°C, long service cycle, light weight vibration amplitude, easy to clean the surface, etc

  • Precision machining

    1. High purity silicon carbide powder

    2. Open mold processing: dry pressing, CIM injection molding, isostatic pressing.

    3. Appearance processing: surface grinding, outer diameter/inner diameter grinding, fine engraving machining, grinding, polishing grinding.

  • Application field

    ● Semiconductor industry ●LED photoelectric industry ● Solar energy industry ● Wafer carrier for diffusion process etc

    • Basic characteristic Main ingredient purity(wt%) 99
    colour black
    density(g/cm³) 1350
    hydroscopicity(%) 0
    Mechanical characteristic Modulus of elasticity GPa 450
    Compressive strength(MPa) 224
    Bending strength(MPa) 400
    Poisson's ratio 0.14
    Vickers hardness(GPa) 30
    Thermal characteristic Hottest operating temperature(℃) 1600
    Coefficient of thermal expansion(1/℃×10-6) RT~500℃ 3.9
    RT~800℃ 4.3
    Thermal conductivity(W/m x K) 40
    Thermal shock resistance△T(℃) 300
    Electrical characteristic Volume resistivity 25℃ 3x10 to the sixth power
    Dielectric constant 10GHz
    Customized process
    • 1

      By product

      Application requirement

    • 2

      Design and research

      Optimization scheme

    • 3

      Strict essence

      Precision drawing

    • 4

      piggyback

      Select ingredients

    • 5

      Multiple forming

      Fired blank

    • 6

      Grinding and polishing

      Precision machining

    • 7

      Multiple gage

      Professional survey

    • 8

      Qualified product

      Package and ship

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