Alumina Ceramic Screws Al2O3 99.9% with 400 MPa Flexural Strength and 17.5 GPa Hardness
Price:
us$0.1~us$10/p
MOQ:
10p
Delivery Time:
negotiable
Brand:
wuxi special ceramic
Product Description
Product Overview
These high-precision Alumina (Al₂O₃) ceramic screws are CNC machined with dimensional accuracy controlled within 0.02mm, offering exceptional heat resistance and mechanical strength for demanding industrial applications.
Technical Specifications
| Property Category | Property | Unit | Value |
|---|---|---|---|
| General Properties | Main Chemical Ingredient | Al₂O₃ 99.9% | |
| Bulk Density | g/cm³ | 3.9 | |
| Color | Ivory | ||
| Water Absorption | % | 0 | |
| Mechanical Properties | Flexural Strength | MPa | 400 |
| Elastic Modulus | GPa | 380 | |
| Vickers Hardness | GPa | 17.5 | |
| Thermal Properties | Thermal Conductivity (20°C) | W/m·K | 34 |
| Coefficient of Thermal Expansion (40-400°C) | 10⁻⁶/°C | 7.2 | |
| Coefficient of Thermal Expansion (40-800°C) | 10⁻⁶/°C | 8 | |
| Electrical Properties | Dielectric Strength (1MHz) | kV/mm | 15 |
| Dielectric Constant (1MHz, 25°C) | 9.9 | ||
| Volume Resistivity (20°C) | Ω·cm | >10¹⁴ | |
| Volume Resistivity (500°C) | Ω·cm | 10¹⁰ |
Key Characteristics
- Excellent plasma resistance for semiconductor processing
- Superior wear resistance with 17.5 GPa hardness
- High purity 99.9% Al₂O₃ composition
- Zero water absorption for chemical resistance
- High temperature stability with 400 MPa flexural strength
Primary Applications
- Wear-resistant mechanical components
- Chemically resistant parts for harsh environments
- Semiconductor processing equipment components
- High-temperature fastening solutions
- Electrical insulation applications
Manufacturing & Quality Assurance
Wuxi Special Ceramic Electrical specializes in advanced ceramic manufacturing including alumina, silicon nitride, zirconia, and other technical ceramics. We offer both trial production (15 days) and mass production (30 days) with 100% inspection quality guarantee. Our products serve global clients including Toshiba Lighting Group in Japan and Europe, delivering high-quality components with quick turnaround times.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Wuxi Special Ceramic Electrical Co.,Ltd
Location
No4 Longshan Road,Xinwu District,Wuxi City,Jiangsu Province
Contact Person
Zhu