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High Strength Precision Alumina Ceramic Seal Rings / Colored O Rings

High Strength Precision Alumina Ceramic Seal Rings / Colored O Rings

    • High Strength Precision Alumina Ceramic Seal Rings / Colored O Rings
    • High Strength Precision Alumina Ceramic Seal Rings / Colored O Rings
    • High Strength Precision Alumina Ceramic Seal Rings / Colored O Rings
  • High Strength Precision Alumina Ceramic Seal Rings / Colored O Rings

    Product Details:

    Place of Origin: China,Guangdong
    Brand Name: Mingrui
    Certification: ISO9001:2015,,CE
    Model Number: Customer's Requirements

    Payment & Shipping Terms:

    Minimum Order Quantity: 10 pieces
    Price: negotiable
    Packaging Details: Packed in PP bags or sponge tray, then put in standard export carton packing.
    Delivery Time: 10 working days after the order confirmed
    Payment Terms: Western Union, L/C, T/T, D/P, D/A, MoneyGram
    Supply Ability: 500 pieces week
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    Detailed Product Description
    Feature: High Temperature Resistance Size: Size Customized
    Surface Treatment: Polishing Or Glazing Insulator: Ceramic Insulator
    Spacer: Ceramic Spacer Item: Fireproof Materials Ceramic Mechanical Seal Cars And Aircraft
    Business Type: Manufacture

    High Strength Precision Alumina Ceramic Seal Ring Structure Ceramic





    Alumina ceramic is kind of structural ceramics, with insulation resistance, voltage resistance, high strength, good thermal conductivity, dielectric loss and stable electrical performance characteristics. Used in electronic ceramic substrates, ceramic electrical insulation, vacuum devices, devices porcelain, spark plugs and other products. We can make the part by hot injection pressing, dry pressing, 200T isostatic pressing and extrusion productive technology etc.



    Name Unit Steatite Alumina Zirconia
    Content %   ≥95 ≥99 ≥94
    Density g/cm3 2.7 3.65 3.8 6
    Max Tem. °C≥   1500 1750 1050
    Hardness (HRA)  



    82 88 85
    flexural strength MPa≥   350 500 1000
    Elasticity MPa 900 3400 3600 5000
    Water absorption % 0 0 0 0
    Heat expansion ×10-6/°C(40-800°C)




    7.8 8 11
    Thermo conductivity W/m·K( 20°C)   22 28 2.6
    Thermal Resistance °C



    200 200 300
    Volume Resistivity





    1012 1012 1012
    dielectric strength V/m   15×106 15×106 11×106
    dielectric constant     9 9.8 33
    (1MHz) 6


    General Characteristics of Materials:
    Characteristic Ceramics Metals Polymers Refractory
    Density Low to High Low to High Low Low to Medium
    Hardness High Medium low Medium
    Toughness low High Medium low
    Wear Resistance High Medium low Medium
    Tensile Strength Low to Medium



    low low
    Compressive Strength High Medium to High low to Medium High
    Young’s Modulus Medium to High Low to High Low Medium
    Dimensional Stability High low to Medium low /
    Thermal Expansion Low to Medium Medium to High High low
    ThermalConductivity Medium Medium to High Low Medium
    Thermal Shock Low Medium to High High low to Medium
    Electrical Resistance High low High /
    Chemical Resistance High low to Medium Medium




    Product Picture:


    High Strength Precision Alumina Ceramic Seal Rings / Colored O RingsHigh Strength Precision Alumina Ceramic Seal Rings / Colored O Rings



    Company Introduction:



    Dongguan Ming Rui Ceramic Technology Co., LTD., a professional manufacturer of machined ceramic parts, has 10 senior engineers and lots of technicians. We produce strengthened structure zirconia ceramic bar, ceramic tube, ceramic shaft, ceramic plate, ceramic sleeve, ceramic valve, ceramic plunger and ceramic arm. The products are applicable to instruments, medical instruments, clocks and electronic products, mills, energy and power, machine and metals, autocar and military and some other high-end areas.

    In cooperation with Tsinghua University, we've achieved great successes in particular requirements. With our professional knowledge and business experience in machined ceramic parts, low-budget and high-performance new ceramic products are made of high–quality raw materials. The value of our ceramic products is greatly increased due to the composite technology and precise processing.

    Our high efficiency machined ceramic parts, perfect service and good reputation roots in our professional machined ceramic technology, continuous innovation, great sincerity and our pursuit for sustainable development. We have a unique technnology called “mirror polishing” that has improved the brightness, color, smoothness of our ceramic parts.


    Factory Shows


    alumina ceramic bushing



    1. Are you a manufacturer ?
    Yes we are a ceramic manufacturer . We proceed with the whole process start from Powder material to forming , sintering , machining, marking , inspection , packing , we do the whole process .

    2.Can you produce free samples for me ?
    Yes usually , we can produce free samples for you but it is up to the product complexity .

    3.What terms can you accept for payment ?
    T/T, L/C , Western union , Money Gram and Paypal is welcome , but paypal and western union only for small -sum payment.


    Contact Details
    Dongguan Ming Rui Ceramic Technology Co.,ltd

    Contact Person: Admin deng

    Tel: 86-18122974730

    Send your inquiry directly to us (0 / 3000)

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