
Add to Cart
Mullite Ceramic Ring Ceramic Parts High Temperature Resistant And High Insulation Refractory
Application of Mullite Kiln Furniture Widely used in the ceramic and glass panel industries. For example, tunnel kilns, shuttle kilns, ceramic kilns, roller kilns, etc. Mullite Kiln Furniture Features: 1. Good thermal conductivity 2. Good high temperature strength 3. Wear resistant and erosion resistant 4. Good thermal shock resistance 5. Good corrosion resistance 6. Good oxidation resistance
7. Not easy in deformation and cracking.
Item | Test Condition | Unit&Symbol | Cordierite ceramics |
The main chemical ingredient | | | MgO, Al2O3,SiO2 |
Bulk Density | | gm/cc | 2.6 |
Maximum Use Temperature | | | 1400℃ |
Hardness | | HV | 800 |
Bending Strength | 20℃ | Kgf/cm2 | 900 |
Compressive Strength | 20℃ | Kgf/cm2 | 3500 |
Fracture Toughness | K(I c) | Mpa m1/2 | - |
Thermal expansion | | 1X 10-6/℃ | ≤2.0 |
Thermal conductivity | 25℃-30℃ | W/m.k | 1.3 |
Thermal Shock Resistance | Tc | ℃ | 250 |
Dielectricity constant | 1MHz.25℃ | | 6 |
Dielectric strength | | ac-kV/mm (ac V/mil) | 10 |
Volume Resistivity | 20℃ | ohm-cm | > 1012 |