|
Still deciding? Get samples of $ !
Request Sample
|
| Customized: | Customized |
|---|---|
| Certification: | CE, ISO |
| Sectional Shape: | Square |
Suppliers with verified business licenses
Audited by an independent third-party inspection agency
Description:
| Name | Alumina | Dense Cordierite | Porous Cordierite | Dense Alumina | Mullite | Corundum mullite | |
| Density(g/cm3) | 2.0~2.3 | 2.1~2.5 | 1.7~2.0 | 2.4~2.7 | 2.0~2.5 | 2.3~2.7 | |
| Coefficient of heat expansion (×10-6K-1) (20~800ºC) |
≤5 | ≤3.5 | ≤3.0 | ≤5 | ≤5 | ≤6 | |
| Specific Heat (J/Kg.K) (20~1000ºC) |
900~1150 | 900~1100 | 900~1150 | 1000~1150 | 1000~1150 | 1100~1300 | |
| Thermal Conductivity (W/m.k) (20~1000ºC) |
1.5~2.0 | 1.5~2.5 | 1.2~1.8 | 1.5~2.5 | 1.5~2.0 | 1.5~2.5 | |
| Impact Thermal Resistance(ºC/min) | ≥450 | ≥500 | ≥500 | ≥450 | ≥500 | ≥450 | |
| Max. Working Tem.(ºC) | 1350 | 1320 | 1320 | 1350 | 1450 | 1550 | |
| Water absorption(%) | 15~25 | ≤1 | 15~25 | ≤1 | 15~25 | 15~25 | |
| Compressive strength(MPa) | A axis | ≥32 | ≥29 | ≥34 | ≥36 | ≥28 | ≥39 |
| B axis | ≥8 | ≥6 | ≥8 | ≥8 | ≥8 | ≥10 | |
| Chemical composition(%) | Al2O3 | 55~65 | 25~38 | 28~38 | 55~65 | 60~70 | 70~80 |
| SiO2 | 25~35 | 50~60 | 45~55 | 25~35 | 25~35 | 15~25 | |
| MgO | 1~3 | 5~10 | 12~14 | 3~5 | 0~1 | 0~2 | |
| others | <5 | <5 | <5 | <5 | <5 | <5 | |



