| Cordierite porcelain |
Essential components |
2MgO 2Al2O3 5SiO2 |
|
Density |
g/cm3 |
2.5 |
|
Water Absorption |
£¥ |
0 |
Material
characteristics |
Agglomeration temperature
|
¡æ
|
1350
|
|
Hardness |
HV |
800 |
|
Anti¡ªFolding Strength |
Kgf/cm2 |
900 |
Physical characteristics |
Compressive Strength |
Kgf/cm2 |
3500 |
Tenacity |
Map.m3/2 |
- |
|
Highest application temperature |
¡æ |
1 000 |
|
Thermal expansion coefficient 0-1000¡æ |
/¡æ |
4*10-6 |
Thermodynamic property |
Heat resistance
|
T(¡æ) |
250 |
Thermal conductivity |
W/m.k(25-300¡æ) |
1.3- |
|
|
20¡æ |
|
>1012 |
|
100¡æ |
>.cm |
107-108 |
|
Volume resistivity |
300¡æ
|
3*105
|
Electrical specification |
Insulation breakdown intensity
|
KV/mm |
10
|
Dielectric constant |
100MHz(E) |
6 |
It has thermostablly, endures cold characteristics and so on thermal shock¡£ Widely applies in the heater, the electric drier and so on each kind of electric heater.
|