Dayoo Advanced Ceramic Co.,Ltd
| Delivery Time | Negotiable |
| Payment Terms | Negotiable |
| Temperature Resistance | Up to 1600°C |
| Purity | 96%,99% |
| Type | Nozzles |
| Alumina Content | 92% & 95% |
| Low Dielectric Loss | 0.0002 |
| Maximum Operating Temperature | 1700°C |
| Thermal Shock Resistance | Excellent |
| Manufacturing Method | Dry Pressing or Isostatic Pressing |
| Transparency | Opaque |
| Density | 3.9 g/cm3 |
| Electrical Resistivity | 10^14 ohm-cm |
| Compressive Strength | 2000Mpa |
| Shape | Customizable (e.g. rods, tubes, plates) |
| Size | customized |
| Wear Resistance | Excellent |
| Place of Origin | Made In China |
| Brand Name | Dayoo |
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Product Specification
| Delivery Time | Negotiable | Payment Terms | Negotiable |
| Temperature Resistance | Up to 1600°C | Purity | 96%,99% |
| Type | Nozzles | Alumina Content | 92% & 95% |
| Low Dielectric Loss | 0.0002 | Maximum Operating Temperature | 1700°C |
| Thermal Shock Resistance | Excellent | Manufacturing Method | Dry Pressing or Isostatic Pressing |
| Transparency | Opaque | Density | 3.9 g/cm3 |
| Electrical Resistivity | 10^14 ohm-cm | Compressive Strength | 2000Mpa |
| Shape | Customizable (e.g. rods, tubes, plates) | Size | customized |
| Wear Resistance | Excellent | Place of Origin | Made In China |
| Brand Name | Dayoo | ||
| High Light | Supare Alumina Ceramic | ||
Precision-Engineered Alumina Ceramic Bars For High-Speed Trains Metro Power Systems And Industrial Control Equipment
Our alumina ceramic insulation support bars are precision-engineered from 99% high-purity alumina material, specifically designed for insulation support requirements in high-voltage electrical equipment. Featuring hardness above HV1500 and insulation strength >15kV/mm, with specially polished surfaces that withstand over 100,000 mechanical friction cycles, these bars are the ideal replacement for traditional epoxy resin insulation components.
Power Equipment: High-voltage switchgear insulation supports, circuit breaker isolation bars
New Energy: PV inverter insulation brackets, wind power converter isolation parts
Rail Transit: High-speed train pantograph insulation supports, metro power supply systems
Industrial Control: Frequency converter insulation plates, large motor insulation frames
Laboratory Equipment: High-voltage test equipment insulation brackets
✔ Superior Insulation: Volume resistivity >10¹⁵Ω·cm
✔ Arc Resistance: Withstands arcing for over 180 seconds
✔ Mechanical Strength: Flexural strength >350MPa
✔ Weather Resistance: Stable performance from -60℃ to 800℃
✔ Long Service Life: Operational lifespan exceeding 20 years
| Parameter | Standard Grade | Enhanced Grade |
|---|---|---|
| Material Purity | 99% Al₂O₃ | 99.5% Al₂O₃ |
| Insulation Strength | 15kV/mm | 18kV/mm |
| Flexural Strength | 350MPa | 400MPa |
| Thermal Expansion | 7.5×10⁻⁶/℃ | 7.2×10⁻⁶/℃ |
| Standard Thickness | 5-20mm | 5-20mm |
| Custom Length | ≤1000mm | ≤1000mm |
Powder Processing: High-purity alumina powder (D50=0.5μm)
Dry Pressing: 200-ton hydraulic press molding
Atmosphere Sintering: 1600℃ nitrogen-protected sintering
Precision Machining: Surface grinding + chamfering
Laser Marking: Unique serial numbering for each product
Full Inspection: Withstand voltage test + dimensional inspection
⚠ Professional Recommendations:
Clean contact surfaces with anhydrous ethanol before installation
Recommend using ceramic-specific adhesives for fixation
Fastening bolt torque should not exceed 8N·m
Avoid surface scratches from sharp objects
Regular inspection for cracks (recommended every 2 years)
Technical Support: Insulation system design solutions
Emergency Response: 72-hour rapid replenishment
Product Traceability: 10-year quality records available
Customization: Non-standard sizes and structural designs supported
Q: How to determine when replacement is needed?
A: Replace when surface cracks exceed 5mm in length or 0.2mm in depth
Q: Usage in humid environments?
A: Recommend moisture-proof models with glazed surface treatment
Q: Compatibility with other insulation materials?
A: Can be used with silicone rubber, epoxy resin and other materials
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter
Total Annual:
>1000000
Employee Number:
>100
Ecer Certification：
Verified Supplier
We are a company with many years of experience in the production of special precision ceramics and the ability to design, manufacture, process and sell structural and functional parts of various special precision ceramics. Deyu Precision Ceramics Technology Co., Ltd. has many years of e... We are a company with many years of experience in the production of special precision ceramics and the ability to design, manufacture, process and sell structural and functional parts of various special precision ceramics. Deyu Precision Ceramics Technology Co., Ltd. has many years of e...
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