Threaded Mullite Ceramic Tube Screw Insulators - 3.2 g/cm³ Density, 280 MPa Flexural Strength for Kiln Rollers
Manufactured from premium mullite material, these threaded ceramic tubes deliver exceptional performance in high-temperature industrial applications including kiln rollers and refractory systems.
- Low thermal expansion for dimensional stability
- High specific heat capacity for efficient heat management
- Large specific surface area for optimal thermal transfer
- Low pressure drop in fluid applications
- Minimal thermal resistance
- Excellent thermal conductivity at 5 W/mK
- Superior heat-shock resistance for thermal cycling
| Property Category | Property | Unit | Value |
|---|---|---|---|
| General Properties | Main Chemical Composition | - | 3Al₂O₃·2SiO₂ |
| Bulk Density | g/cm³ | 3.2 | |
| Water Absorption | % | 0 | |
| Mechanical Properties | Flexural Strength | MPa | 280 |
| Elastic Modulus | GPa | 210 | |
| Vickers Hardness | GPa | 10.8 | |
| Thermal Properties | Thermal Conductivity (20°C) | W/mK | 5 |
| Coefficient of Thermal Expansion (40-400°C) | 10⁻⁶/°C | 5 | |
| Electrical Properties | Dielectric Strength (1MHz) | AC-kV/mm | 15 |
| Dielectric Constant (1MHz, 25°C) | - | 7.4 | |
| Volume Resistivity (20°C) | Ω·cm | >10¹⁴ |
Wuxi Special Ceramic Electrical specializes in advanced ceramic manufacturing including alumina, silicon nitride, zirconia, steatite, boron nitride, cordierite, and mullite products. Our components serve diverse industries including metal welding, electronics, mechanical assembly, insulation, chemical processing, instrumentation, textiles, nuclear industry, and aerospace applications.
We offer custom manufacturing services based on your drawings or samples. Trial production typically completes within 15 days, while mass production requires approximately 30 days. Packaging options include carton or pallet configurations, with flexibility for customer requirements.
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