Mullite Ceramic Tubes for Electrothermal Furnaces - 280 MPa Flexural Strength, 5×10⁻⁶/°C Thermal Expansion
Price:
us$1~us$1000/P
MOQ:
10p
Delivery Time:
negotiable
Brand:
wuxi special ceramic
Product Description
Product Overview
Mullite ceramic tubes are engineered for electrothermal furnace applications, offering exceptional high-temperature resistance and superior insulating properties. These tubes are manufactured from mullite material (3Al₂O₃·2SiO₂), providing an optimal balance of thermal stability and mechanical strength.
Key Material Properties
Mullite combines low thermal expansion with excellent mechanical strength at elevated temperatures, making it ideal for demanding thermal applications. The material offers workability for custom fabrication while maintaining cost-effectiveness.
Technical Specifications
| Property Category | Parameter | Value | Unit |
|---|---|---|---|
| General Properties | Main Chemical Composition | 3Al₂O₃·2SiO₂ | - |
| Bulk Density | 3.2 | g/cm³ | |
| Water Absorption | 0 | % | |
| Mechanical Properties | Flexural Strength | 280 | MPa |
| Elastic Modulus | 210 | GPa | |
| Thermal Properties | Thermal Conductivity (20°C) | 5 | W/m·K |
| Coefficient of Thermal Expansion (40-400°C) | 5 | ×10⁻⁶/°C | |
| Electrical Properties | Dielectric Strength (1MHz) | 15 | AC-kV/mm |
| Dielectric Constant (1MHz, 25°C) | 7.4 | - | |
| Volume Resistivity (20°C) | >10¹⁴ | Ω·cm |
Performance Advantages
- Low thermal expansion coefficient of 5×10⁻⁶/°C ensures dimensional stability
- High flexural strength of 280 MPa provides mechanical durability
- Excellent electrical insulation with volume resistivity >10¹⁴ Ω·cm
- Zero water absorption for consistent performance in humid environments
- Thermal conductivity of 5 W/m·K for efficient heat management
Manufacturing Capabilities
Our facility specializes in producing alumina, silicon nitride, zirconia, steatite, boron nitride, cordierite, and mullite products. We support custom manufacturing with trial production typically completed within 15 days and mass production within 30 days. All products undergo 100% quality inspection.
Quality Assurance: All products undergo 100% inspection to ensure consistent performance and reliability for demanding industrial applications.
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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