Dayoo Advanced Ceramic Co.,Ltd
| Delivery Time | Negotiable |
| Payment Terms | Negotiable |
| Shape | Customizable |
| Surface Finish | Polished |
| Bulk Density | >3.63 |
| Application | Industrial Ceramic |
| Properties | electric insulation |
| Flexural Strength | 350 MPa |
| Material | Alumina |
| Tensile Strength | 200 MPa |
| Density | 3.9 g/cm3 |
| Mechanical Strength | High |
| Type | Alumina Ceramic Parts |
| Alumina Content | 92% & 95% |
| Color | White |
| Transparency | Opaque |
| Water Absorption | 0 |
| Place of Origin | Made In China |
| Brand Name | Dayoo |
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Product Specification
| Delivery Time | Negotiable | Payment Terms | Negotiable |
| Shape | Customizable | Surface Finish | Polished |
| Bulk Density | >3.63 | Application | Industrial Ceramic |
| Properties | electric insulation | Flexural Strength | 350 MPa |
| Material | Alumina | Tensile Strength | 200 MPa |
| Density | 3.9 g/cm3 | Mechanical Strength | High |
| Type | Alumina Ceramic Parts | Alumina Content | 92% & 95% |
| Color | White | Transparency | Opaque |
| Water Absorption | 0 | Place of Origin | Made In China |
| Brand Name | Dayoo | ||
| High Light | Dayoo chemical resistance alumina ceramic ，Dayoo chemical resistance alumina oxide ceramic | ||
Introduction
Alumina ceramic insulation seals are specialized ceramic components manufactured from high-purity alumina (Al₂O₃) material through precision molding and high-temperature sintering processes. This product combines excellent electrical insulation properties with reliable airtightness, maintaining stable performance in high-temperature, high-pressure, and corrosive environments, making it an indispensable key component in high-end industrial equipment.
Applications
Electronics and Electrical: Vacuum relay seals, high-voltage switch insulators, semiconductor equipment sealing rings
Energy and Power: Fuel cell sealing gaskets, solar equipment insulation components, nuclear power equipment sealing assemblies
Aerospace: Avionics sealing, spacecraft insulation components, propulsion system seals
Research Equipment: Vacuum chamber sealing flanges, experimental equipment insulation parts, analytical instrument sealing assemblies
Advantages
Excellent Insulation Performance: Dielectric strength ≥20kV/mm, volume resistivity >10¹⁵Ω·cm
Superior Sealing Performance: Leak rate <1×10⁻¹⁰Pa·m³/s
High Temperature Resistance: Long-term service temperature up to 1600℃
Corrosion Resistance: Resistant to acid and alkali corrosion, excellent chemical stability
High Mechanical Strength: Compressive strength ≥2800MPa, flexural strength ≥380MPa
Specification Parameters Table
| Performance Indicator | Unit | Parameter Value | Test Standard |
|---|---|---|---|
| Alumina Content | % | 99.8 | ISO 14720 |
| Bulk Density | g/cm³ | 3.95 | ASTM C20 |
| Dielectric Strength | kV/mm | 22 | IEC 60243 |
| Volume Resistivity | Ω·cm | 2×10¹⁵ | IEC 62631 |
| Thermal Expansion Coefficient | ×10⁻⁶/℃ | 7.8 | ASTM E228 |
| Sealing Performance | Pa·m³/s | <1×10⁻¹⁰ | ISO 21360 |
Manufacturing Process
Raw material selection → Formula optimization → Spray granulation → Isostatic pressing → High-temperature sintering → Precision machining → Metallization treatment → Brazing processing → Non-destructive testing → Performance testing
Usage Instructions
Clean sealing surfaces before installation to ensure no impurities
Use special installation tools to avoid damaging sealing surfaces
Tighten evenly according to specified torque requirements
Regularly check sealing status, recommend quarterly inspections
Operating temperature range: -60℃ to 1600℃
After-Sales Service
24-month product quality guarantee
24/7 technical support from professional team
Free installation guidance and technical training
Establish customer usage files, regular maintenance reminders
48-hour response for emergency orders
FAQ
Q: What is the vacuum sealing performance of the product?
A: Excellent vacuum sealing performance, leak rate can reach <1×10⁻¹⁰Pa·m³/s
Q: Do you support metallization treatment?
A: Support molybdenum-manganese method metallization treatment, enabling hermetic sealing with metals
Q: What is the maximum operating temperature?
A: Long-term service temperature 1600℃, short-term can reach 1800℃
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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