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Dense And Non-Porous Alumina Ceramic Ring Component For Electronics And Semiconductors

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    Buy cheap Dense And Non-Porous Alumina Ceramic Ring Component For Electronics And Semiconductors from wholesalers
    • Buy cheap Dense And Non-Porous Alumina Ceramic Ring Component For Electronics And Semiconductors from wholesalers

    Dense And Non-Porous Alumina Ceramic Ring Component For Electronics And Semiconductors

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    Brand Name : Dayoo
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    Dense And Non-Porous Alumina Ceramic Ring Component For Electronics And Semiconductors

    Dense And Non-Porous Alumina Ceramic Ring Component For Electronics And Semiconductors


    This high-precision alumina ceramic ring component (purity ≥95%) is manufactured using isostatic pressing technology, featuring an 乳白色瓷质 luster with a precision structure consisting of an annular body + 6 sets of symmetrical notches + 6 positioning round holes. The product surface exhibits dense, non-porous characteristics after sintering at 1600°C, with rounded edge treatment ensuring installation safety, suitable for core transmission systems of automation equipment.

    [Core Applications]

    1. Precision Machinery: High-speed motor bearing retainers, servo system positioning rings
    2. Electronics & Semiconductors: IC test fixture insulation bases, wafer carrier positioning components
    3. New Energy: Lithium battery pole piece cutting dies, hydrogen fuel cell bipolar plate frames
    4. Medical Devices: Minimally invasive surgical instrument guide sleeves, dental implant abutment connectors

    [Performance Advantages]

    ✅ Physical Properties: Hardness HRA90-92 (comparable to sapphire), flexural strength ≥350MPa
    ✅ Weather Resistance: Operating temperature -200°C~1600°C, thermal expansion coefficient 6.8×10⁻⁶/°C
    ✅ Chemical Stability: Resistant to strong acids and alkalis (except hydrofluoric acid), insulation resistance >10¹⁴Ω
    ✅ Precision Control: Dimensional tolerance ±0.01mm, surface roughness Ra0.4μm

    [Specification Parameter Table]

    Parameter ItemIndex ValueTest Standard
    Outer Diameterφ50±0.02mmGB/T 2848-2015
    Inner Diameterφ20±0.01mmGB/T 2848-2015
    Thickness8±0.01mmGB/T 2848-2015
    Number of Notches6 sets symmetricCustom Drawing
    Positioning Hole Diameterφ4±0.01mmGB/T 2848-2015
    Density3.85g/cm³GB/T 25995-2010

    [Production Process]

    Raw material proportioning → Ball milling → Spray granulation → Isostatic pressing → Degreasing → High-temperature sintering → CNC precision machining → Ultrasonic cleaning → Laser inspection → Vacuum packaging

    [Usage Instructions]

    1. Use special ceramic clamping tools during installation to avoid hard force collision
    2. Control temperature changes in working environment to ≤5℃/min
    3. Clean with anhydrous ethanol ultrasonic cleaning (power ≤40kHz)
    4. Do not store with metal hard objects; use anti-static packaging boxes

    [After-Sales Service]

    ✓ Free replacement for non-human damage within 1-year warranty period
    ✓ Customization with drawings
    ✓ Third-party material testing reports

    [FAQ]

    Q: Does the product support high-temperature and high-pressure sterilization?
    A: Can withstand 134℃ high-pressure steam sterilization (complies with ISO 17665 standard)

    Q: Is RoHS environmental certification available?
    A: The entire product series has passed RoHS 2.0 ten-item testing (Report No.: ENV20230512007)


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