Refractoriness (℃): | 1580< Refractoriness< 1770 |
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Feature: | Long Time Materials, Instant Materials |
Type: | Refractory Material |
Shape: | Plate |
Material: | Alumina Block |
Transport Package: | Hard Carton or Wooden Carton with Pallet |
Customization: |
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The main chemical ingredient of cordierite is 2MgO·2Al2O3·5SiO2,main material is steatite,clay,alumina,feldspar, etc. Manufactured by normal ceramic technical, can be used for loop framework, insulators of arc-resistance,element of composite materials,burnable nozzle of electrical insulators, and etc.
Cordierite material parameters:
Item |
Test Condition |
Unit&Symbol |
Cordierite ceramics |
The main chemical ingredient |
|
|
2MgO 2Al2O3 5SiO2 |
Bulk Density |
|
gm/cc |
2.5 |
Maximum Use Temperature |
|
|
1000°C |
Water absorption |
|
% |
0 |
Hardness |
|
HV |
800 |
Bending Strength |
20° C |
Kgf/cm2 |
900 |
Compressive Strength |
20° C |
Kgf/cm2 |
3500 |
Fracture Toughness |
K(I c) |
Map.m3/2 |
- |
Coefficient of thermal expansion |
|
1X 10-6/°C |
≤2.0 |
Coefficient of thermal conductivity |
25° C-30° C |
W/m °K |
1.3- |
Thermal Shock Resistance |
Tc |
°C |
250 |
Dielectric constant |
1MHz.25°C |
|
6 |
Dielectric strength |
|
ac-kV/mm (ac V/mil) |
10 |
Material | Bulk Density (g/cm3) |
Porosity (%) |
Compression Strength(Mpa) | Thermal Shock Resistance (time/1200) |
Mullite | 0.4-2.0 | 10-75 | ≥15 | ≥5 |
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