Dayoo Advanced Ceramic Co.,Ltd
Dayoo Advanced Ceramic Co.,Ltd
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Zirconia ceramic multi-functional protective sleeves and wear-resistant bushings are high-performance industrial components made from yttria-stabilized zirconia (3Y-TZP) material. Manufactured through advanced powder metallurgy and precision machining technology, these products exhibit exceptional mechanical properties and special functional characteristics, specifically designed for electronic equipment insulation protection, precision instrument high-temperature protection, and mechanical system wear resistance requirements.
Electronic Equipment: High-voltage insulating sleeves, precision wire protection tubes, circuit insulation isolation parts
Precision Instruments: Thermocouple protection tubes, sensor insulating sleeves, optical instrument heat insulation tubes
Mechanical Systems: High-precision wear-resistant bushings, oil-free lubrication bearings, mechanical sealing rings
Special Applications: Semiconductor equipment insulating parts, vacuum system protection tubes, high-temperature furnace conduits
Excellent Insulation Performance: Volume resistivity >10¹⁴ Ω·cm, dielectric strength ≥15 kV/mm
Ultra-High Wear Resistance: Vickers hardness ≥1250 HV, wear resistance is 15 times that of bearing steel
Outstanding High-Temperature Resistance: Maximum operating temperature 1500℃, excellent thermal stability
Low Friction Coefficient: Good self-lubricating properties, friction coefficient ≤0.15
Superior Corrosion Resistance: Resistant to acid and alkali corrosion, suitable for harsh chemical environments
Precise Dimensional Control: Machining accuracy up to ±0.002 mm
| Parameter | Technical Indicators |
|---|---|
| Material Type | 3Y-TZP Yttria-Stabilized Zirconia |
| Density | 6.05-6.10 g/cm³ |
| Flexural Strength | 900-1200 MPa |
| Vickers Hardness | 1250-1350 HV |
| Thermal Expansion Coefficient | 10.5×10⁻⁶/K |
| Maximum Operating Temperature | 1500℃ |
| Dielectric Strength | ≥15 kV/mm |
| Volume Resistivity | >10¹⁴ Ω·cm |
| Surface Roughness | Ra≤0.2 μm |
Raw material selection → Formula optimization → Spray granulation → Isostatic pressing → Pre-sintering → CNC machining → High-temperature sintering → Precision grinding → Laser marking → Non-destructive testing → Cleaning and packaging
Clean inner and outer surfaces before installation to ensure no residue
Use specialized tools for installation to avoid direct impact or shock
Control heating rate ≤10℃/minute in high-temperature environments
Regularly inspect wear conditions and replace damaged parts promptly
Store in dry conditions with moisture and impact protection
24-month quality warranty
Professional technical team support
48-hour rapid response
Free technical consultation
Q: What are the advantages of zirconia sleeves compared to alumina sleeves?
A: They offer higher strength and toughness, better wear resistance, and longer service life.
Q: What is the maximum producible length?
A: The maximum length for standard products is 500mm, with customization up to 1000mm for special requirements.
Q: Is small batch customization supported?
A: Yes, we support various customization needs from samples to batch production.
Q: How to ensure insulation performance?
A: Through strict raw material control and process assurance to ensure volume resistivity >10¹⁴ Ω·cm.
