Dayoo Advanced Ceramic Co.,Ltd
| Delivery Time | Negotiable |
| Payment Terms | Negotiable |
| Flexural Strength | 300-500 |
| Compressive Strength | 2000 MPa |
| Transparency | Opaque |
| Properties | electric insulation |
| Maximum Use Temperature | 1600°C |
| Low Thermal Expansion | Yes |
| Machinability | Difficult |
| Dimensional Tolerance | ±0.001 mm |
| Alumina Content | 95% |
| Biocompatibility | Yes |
| Mechanical Strength | Very High |
| Elastic Modulus | 380 GPa |
| Density | 3.9 g/cm3 |
| Bulk Density | >3.63 |
| Shape | Round |
| Place of Origin | Made In China |
| Brand Name | Dayoo |
View Detail Information
Explore similar products
Dense And Non-Porous Alumina Ceramic Ring Component For Electronics And
Hardness HRA90-92 Alumina Ceramic Ring
Wear-Resistant Alumina Ceramic With High Flexural Strength And Low Thermal
Alumina Ceramic Components For Thermocouple Protection Tubes And High-Temperatur
Product Specification
| Delivery Time | Negotiable | Payment Terms | Negotiable |
| Flexural Strength | 300-500 | Compressive Strength | 2000 MPa |
| Transparency | Opaque | Properties | electric insulation |
| Maximum Use Temperature | 1600°C | Low Thermal Expansion | Yes |
| Machinability | Difficult | Dimensional Tolerance | ±0.001 mm |
| Alumina Content | 95% | Biocompatibility | Yes |
| Mechanical Strength | Very High | Elastic Modulus | 380 GPa |
| Density | 3.9 g/cm3 | Bulk Density | >3.63 |
| Shape | Round | Place of Origin | Made In China |
| Brand Name | Dayoo | ||
| High Light | Excellent Material Characteristics Alumina Ceramic | ||
The alumina ceramic insulating support ring is manufactured from high-purity (above 99%) alumina material, featuring exceptional electrical insulation properties, mechanical strength, and high-temperature resistance. This product maintains stable physical and chemical performance even in high-temperature, high-pressure, and corrosive environments, widely used for insulation support and positioning in power electronics, vacuum equipment, and other fields.
Electrical Equipment: High-voltage switches, insulators, circuit breakers
Electronics Industry: Semiconductor manufacturing equipment, vacuum coating chambers
New Energy: Fuel cell stacks, electrolyzer insulation components
Vacuum Technology: High-vacuum system insulation supports
High-Temperature Equipment: Kiln, heating device insulation structures
✅ Ultra-High Insulation: Volume resistivity >10¹⁴Ω·cm (room temperature)
✅ High-Temperature Resistance: Continuous operating temperature up to 1600°C
✅ High Mechanical Strength: Compressive strength >2000MPa
✅ Precision Dimensions: Tolerance up to ±0.01mm
✅ Corrosion Resistance: Resists acid/alkali erosion (except hydrofluoric acid)
| Parameter | Specification |
|---|---|
| Material | 99% Al₂O₃ |
| Density | 3.8-3.9 g/cm³ |
| Flexural Strength | ≥350 MPa |
| Dielectric Strength | ≥15 kV/mm |
| Thermal Expansion Coefficient | 7.2×10⁻⁶/°C |
| Surface Roughness | Ra≤0.4μm |
| Operating Temperature Range | -50°C to 1600°C |
Raw Material Processing: Fine grinding of high-purity alumina powder
Forming Process: Isostatic pressing/injection molding
High-Temperature Sintering: 1700-1800°C atmosphere-protected sintering
Precision Machining: CNC internal/external cylindrical grinding
Laser Marking: Product identification and traceability
Inspection & Packaging: Dimensional inspection + insulation testing
Clean contact surfaces before installation to remove oil and contaminants
Avoid edge impacts to prevent brittle fracture
For high-temperature environments, recommend gradual temperature installation
Regularly check insulation resistance (suggest every 6 months)
Consider thermal expansion differences when mating with metal components
Free technical consultation and selection support
48-hour response for non-human damage cases
Custom development based on drawings
Regular maintenance manual updates
Q: What is the maximum withstand voltage?
A: Standard products 15kV/mm, specially designed up to 30kV/mm
Q: Can complex-shaped structures be manufactured?
A: Custom complex shapes available, minimum wall thickness ≥1mm
Q: How to test insulation performance?
A: Megohmmeter testing recommended (test voltage 1000V DC)
Q: How to fix with metal components?
A: Recommend high-temperature adhesive bonding or mechanical clamping
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...
Get in touch with us
Leave a Message, we will call you back quickly!