Cordierite refractory brick
Product Description
Cordierite refractory brick
Item | Materials for ceramic kiln furniture | |||||||
LUA | LEN | FON | FAC | ROY | LUK | COB | ||
Cordierite- | Cordierite- | Cordierite- | Cordierite- | Cordierite- | Cordierite- | Cordierite- | ||
Chemical | Al2O3 % | 40 | 41 | 36 | 39 | 41 | 43 | 46 |
SiO2 % | 49 | 48 | 52 | 49 | 47 | 46 | 44 | |
MgO % | 6.5 | 7.0 | 7.0 | 8.0 | 7.0 | 7.0 | 6.0 | |
Bulk density g/cm3 | 1.95 | 1.90 | 1.85 | 1.82 | 1.95 | 1.82 | 2.00 | |
Apparent porosity % | 26 | 28 | 28 | 29 | 26 | 33 | 25 | |
Expansion(20℃-1000℃/10-6K-1) | 2.3 | 2.3 | 2.6 | 2.2 | 2.2 | 2.5 | 3.1 | |
Max working temperature | 1300 | 1250 | 1300 | 1320 | 1280 | 1280 | 1350 | |