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Silicon carbide seal ring

  • Finished product characteristics

    ● High abrasion resistance ● High corrosion resistance ● High oxidation resistance ● High thermal conductivity, good heat conduction effect ● Strength does not change under high temperature environment ● Thermal shock resistance ● Good self-lubrication

  • Product characteristics

    Silicon carbide rings are used in different fields, we make suitable sealing rings according to different processes and different sintering methods. Ensure quality, help enterprises control costs, expand the market

    Outer diameter of silicon carbide disk up to 1000mm

    Silicon carbide disk can provide sintered wool failure, wool failure diameter tolerance ±0.5mm

    The density of silicon carbide disk is greater than 3.14g/cm3, and the Vickers hardness is above 23GPa.

  • 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

    ● New energy parts ● Crude oil parts ● Chemical parts ● Mechanical wear parts ● Aerospace parts ● Military parts ● Semiconductor manufacturing parts.

    • 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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