Loading Port:China Main Port
Payment Terms:TT OR LC
Min Order Qty:-
Supply Capability:-
CMAX high alumina firebricks are classified according to alumina content ranging from 48% to 90%.
1. High temperature
3. with economical prices
4. Various models and size
5.acid and alkaline resistant
1.Apparent porosity max 24%
2.Bulk density min 2.30 g/cm3
3.CCS min 40MPa
4.0.2Mpa (RUL)min 1400
5.Fe2O3 max 1.8 %
Index | LZ-75 | LZ-65 | LZ-55 | LZ-48 | LZ-80 | LZ-85 | |
Refractoriness SK | 38 | 37 | 37 | 36 | 39 | 40 | |
Refractoriness under load 0.2Mpa °C | ≥1520 | ≥1500 | ≥1470 | ≥1420 | ≥1530 | ≥1550 | |
permanent linear change % | 1500°Cx2h | +0.1~-0.4 | +0.1~-0.4 | +0.1~-0.4 |
| +0.1~-0.4 | +0.1~-0.4 |
1450°Cx2h |
|
|
| +0.1~-0.4 |
|
| |
Apparent porosity % | ≤23 | ≤23 | ≤23 | ≤22 | ≤23 | ≤23 | |
Cold crushing strength Mpa | ≥53.9 | ≥49.0 | ≥44.1 | ≥39.2 | ≥55 | ≥55 | |
Chemical composition | Al2O3 % | ≥75 | ≥65 | ≥55 | ≥48 | ≥80 | ≥85 |
Fe2O3 % | |||||||
