| (Mullite ceramics) |
Essential components |
3Al2O3 2SiO2 |
|
Density |
g/cm3 |
3 |
|
Water Absorption |
£¥ |
O |
Material characteristics |
Agglomeration temperature
|
¡æ
|
1300
|
|
Hardness |
HV |
1000 |
|
Anti¡ªFolding Strength |
Kgf/cm2 |
1100 |
Physical characteristics |
Compressive Strength |
Kgf/cm2 |
6000 |
Tenacity |
Map.m3/2 |
- |
|
Highest application temperature |
¡æ |
1000 |
|
Thermal expansion coefficient O-1000¡æ |
/¡æ |
6*1O-6 |
Thermodynamic property |
Heat resistance
|
T(¡æ) |
300
|
Thermal conductivity |
W/m.k(25-300¡æ) |
4.2 - |
|
|
20¡æ |
|
>1012 |
|
100¡æ |
>.cm |
1010-1012 |
|
Volume resistivity |
300¡æ |
- |
Electrical specification |
Insulation breakdown intensity
|
KV/mm |
1O
|
Dielectric constant |
100MHz(E) |
6 |
Mullite ceramics are heat resisting£¬with pretty good creep property and heat resistance.They are widely applied to the high temperature profession£®
|
