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.
- Precision Machinery: High-speed motor bearing retainers, servo system positioning rings
- Electronics & Semiconductors: IC test fixture insulation bases, wafer carrier positioning components
- New Energy: Lithium battery pole piece cutting dies, hydrogen fuel cell bipolar plate frames
- Medical Devices: Minimally invasive surgical instrument guide sleeves, dental implant abutment connectors
✅ 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
Raw material proportioning → Ball milling → Spray granulation → Isostatic pressing → Degreasing → High-temperature sintering → CNC precision machining → Ultrasonic cleaning → Laser inspection → Vacuum packaging
- Use special ceramic clamping tools during installation to avoid hard force collision
- Control temperature changes in working environment to ≤5℃/min
- Clean with anhydrous ethanol ultrasonic cleaning (power ≤40kHz)
- Do not store with metal hard objects; use anti-static packaging boxes
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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