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Shanghai Vital Industry Co., Ltd.

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Shanghai Vital Industry Co.,  Ltd.
Shanghai Vital Industry Co., Ltd.
China
  • Sell

    ceramic seal ring

    ceramic seal ring

    Quantity Order:
    Origin:
    China
    Payment Method:
    L/C
    Have the excellent performance of Good sealing, Excellent Resistant-Corrosion, High-Temperature Resistance , High Mechanical Strength, High hardness , Stable chemical property , Wear Resistant, High Thermal Conductivity, Good Self-Lubrication, High purity alpha alumina and low silica content, Small Tolerance Range , Long Time Warranty, Stably and Professional Quality Control.
    Surface Treatment: Polished, Alumina Purity: 95% to 99.5% , Color: White, Creamy.
    Sizes: Various sizes available
    Technology Spec.:

    95% , 96% , 99% , 99.5% , 99.6% Alumina Ceramic Ring
    Density g/ cm3 e3.68
    Water absorption % O
    Sintering temperature ° C 1600-1800
    Hardness HV e1500
    Flexural strength Kgf/ cm2 3000
    Compressive strength Kgf/ cm2 25000
    Fracture toughness Map.m3/ 2 3~ 4
    Maximum temperature ° C 1800
    Coefficient of thermal expansion / ° C 8* 10-6
    Heat shock T( ° C) 220
    Thermal conductivity W/ m.k( 25-300° C) 25 14
    20° C > 1012
    Volume resistivity 100° C > .cm 1012-1013
    300° C > 1010
    Insulation breakdown strength KV/ mm 18
    dielectric constant 100MHz( E) 9.5


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