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Screw Insulator Porcelain 95% Alumina Ceramic Parts Heat Resistance

Screw Insulator Porcelain 95% Alumina Ceramic Parts Heat Resistance

    • Screw Insulator Porcelain 95% Alumina Ceramic Parts Heat Resistance
    • Screw Insulator Porcelain 95% Alumina Ceramic Parts Heat Resistance
  • Screw Insulator Porcelain 95% Alumina Ceramic Parts Heat Resistance

    Product Details:

    Place of Origin: China
    Brand Name: Mingrui
    Certification: ISO9001:2015,
    Model Number: Customized

    Payment & Shipping Terms:

    Minimum Order Quantity: 20 pieces
    Price: negotiable
    Packaging Details: wooden case or carton box with foam
    Delivery Time: 15-20 working days after the order confirmed
    Payment Terms: L/C, T/T, Western Union, MoneyGram, D/P, D/A
    Supply Ability: 10000 pieces month
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    Detailed Product Description
    Standard: As The Drawings Thermal Shock Resistance: 180 - 220 T(°C)
    Tensile Strength: Excellent Color: White
    Tech: Hot Pressing Type: Insulator
    Keywords: Ceramic Screw Insulator Rated Voltage: 220V



    Heat Resistance 95% Alumina Ceramic Screw Insulator Porcelain Parts


    Item Index Unit Steatite ceramic 95 Al2O3 96 Al2O3
    Physical Characteristics Bulk density g/cm3 2.7 3.6 3.6
    Water absorption % 0 0 0

    Mechanical Characteristics
    Flexural strength Mpa 145 320 340
    Hardness Vickers Gpa 5.7 12.2 13.5
    Elastic modulus Gpa 120 280 320
    Poisson’s ratio - 0.21 0.22 0.23
    Thermal Characteristics Linear expansion coefficient 20-5000C 10-6/0C 7.9 7.1 7.2
    Thermal conductivity w/(m.k) 2.5 16 24
    Specific Heat *10-3J/(kg*K) 0.75 0.78 0.78
    Electrical Characteristics Dielectric constant(1MHZ) - 6.2 9 9.4
    Dielectric loss angle *10-4 18 15 5
    Dielectric strength *106V/m 18 12 15




    1). Excellent insulation, security.

    2). Excellent high pressure resistance

    3). Corrosion resistance


    Main Applications:

    1). Shaft, Plunger

    2). High-pressure cleaning machines

    3). Sealing structure

    4). Auto mobile industry

    5). Oil drilling equipment

    6). Insulation parts in electrical equipment

    7). Ceramic knife

    8). Ceramic hair clipper spare parts


    Factory Shows:

    alumina ceramic bushing

    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.


    Q: Are you trading company or manufacturer ?
    A: We are factory.
    Q: How long is your delivery time?
    A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
    Q: Do you provide samples ? is it free or extra ?
    A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
    Q: What is your terms of payment ?
    A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.
    If you have any other question, pls feel free to contact us .



    Contact Details
    Dongguan Ming Rui Ceramic Technology Co.,ltd

    Contact Person: bella

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