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Alumina Ceramic: Core Basic Material For High-End Equipment Manufacturing

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    Buy cheap Alumina Ceramic: Core Basic Material For High-End Equipment Manufacturing from wholesalers
    • Buy cheap Alumina Ceramic: Core Basic Material For High-End Equipment Manufacturing from wholesalers

    Alumina Ceramic: Core Basic Material For High-End Equipment Manufacturing

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    Alumina Ceramic: Core Basic Material For High-End Equipment Manufacturing

    Alumina Ceramic: Core Basic Material for High-End Equipment Manufacturing

    Introduction
    Alumina ceramic is an advanced engineering ceramic material primarily composed of high-purity alpha-alumina (Al₂O₃), manufactured using isostatic pressing and high-temperature sintering processes. This material possesses exceptional comprehensive properties, including excellent electrical insulation, extremely high mechanical strength, outstanding wear resistance, and corrosion resistance, making it an irreplaceable key material in fields such as electronic equipment, precision machinery, and fluid control systems.

    Applications

    • Electronic Equipment: Integrated circuit insulating supports, high-voltage switch insulation components, vacuum feedthrough devices, semiconductor manufacturing equipment parts

    • Precision Machinery: High-speed spindle bearings, precision guides, mechanical seal rings, measuring instrument load-bearing components

    • Fluid Control: Chemical pump mechanical seals, valve bushings, pipeline connectors, corrosive medium transportation parts

    Advantages

    1. Excellent Electrical Insulation: Volume resistivity >10¹⁴ Ω·cm, dielectric strength 15-25 kV/mm

    2. Outstanding Mechanical Properties: Compressive strength 2200-2800 MPa, Vickers hardness 1600-1800 HV

    3. Exceptional Wear Resistance: Wear rate only 1/10-1/5 that of metal materials

    4. Strong Corrosion Resistance: Resists erosion from most acids, alkalis, and organic solvents

    5. Good Thermal Stability: Low coefficient of thermal expansion, can be used long-term at 1400℃

    Specification Parameters Table

    Performance IndicatorUnitValue RangeTest Standard
    Alumina Content%95-99.8ISO 14720
    Bulk Densityg/cm³3.6-3.9ASTM C20
    Flexural StrengthMPa300-380ISO 14704
    Compressive StrengthMPa2200-2800ASTM C773
    Vickers HardnessHV1600-1800ISO 6507
    Dielectric StrengthkV/mm15-25IEC 60243
    Thermal Expansion Coefficient×10⁻⁶/℃7.2-8.2ASTM E228

    Manufacturing Process
    Raw material selection → Formula optimization → Spray granulation → Isostatic pressing → High-temperature sintering → Precision machining → Non-destructive testing → Performance testing → Strict quality inspection → Packaging and shipment

    Usage Instructions

    1. Clean contact surfaces before installation to ensure no oil stains or impurities

    2. Use special installation tools to avoid knocking and impact

    3. Reserve appropriate thermal expansion clearance when matching with metal parts

    4. Regularly check usage status, recommend comprehensive inspection every six months

    5. Avoid rapid cooling and heating, temperature change rate should be controlled within 5℃/minute

    After-Sales Service

    1. 18-month product quality guarantee period

    2. 24-hour professional technical consultation response

    3. Free product application technical guidance

    4. Establish customer usage files, regular follow-ups

    5. Provide emergency spare parts supply service

    FAQ

    1. Q: What grade of machining precision can alumina ceramic achieve?
      A: Conventional machining precision can reach ±0.01mm, precision machining can reach ±0.002mm

    2. Q: Can secondary processing be performed?
      A: Yes, but diamond tools are required for processing

    3. Q: What is the service life of the product?
      A: Under normal usage conditions, service life can reach 5-10 years



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