Mullite Insulating Fire Brick
Minimum Order: 0
Quality/Safety Certification: 0.00
Mullite Insulating Fire Brick
1 Top thermal-insulating refractory brick
2 Low thermal conductivity ,excellent wear resistance
Mullite Insulating Fire Brick
CHARACTERISTIC:
Low density
High purity
Low thermal conductivity
Excellent thermal shock resistance
APPLICATION:
glass industries iron & steel industries
ceramics industries non-ferrous metals industries
electrolytic Aluminum industries power generation industries
Heat surface fireproof lining other fire-proof back lining
| Quality | JM-23 | JM -26 | JM -28 | JM -30 | JM -32 | |
| Classification temperature, oC | 1260 | 1430 | 1540 | 1650 | 1760 | |
| Bulk density (g/cm3) | 0.6 | 0.8 | 0.9 | 1 | 1.25 | |
| Crushing strength Mpa | 1.2 | 1.6 | 2.1 | 2.5 | 3.5 | |
| Modulus of rupture Mpa | 0.9 | 1.4 | 1.6 | 2.1 | 2.1 | |
| Permanent linear change (CT-30oCX24h)% | 0.5 | 0.4 | 0.5 | 0.9 | 0.9 | |
| Reversible thermal expansion at 1100oC | 0.5 | 0.7 | 0.8 | 0.9 | 1.1 | |
| Thermal shock resistance(cycles)1100oC Water cooling | 30 | 30 | 30 | 30 | 30 | |
| Thermal conductivity (W/m.k) | 400oC | 0.14 | 0.27 | 0.32 | 0.41 | 0.49 |
| 600oC | 0.16 | 0.29 | 0.34 | 0.43 | 0.5 | |
| 800oC | 0.18 | 0.31 | 0.36 | 0.44 | 0.51 | |
| 1000oC | 0.2 | 0.33 | 0.38 | 0.45 | 0.53 | |
| 1200oC | - | 0.35 | 0.41 | 0.47 | 0.56 | |
| Chemical Analysis (%) | Al2O3 | 37 | 58 | 67 | 73 | 77 |
| Fe2O3 | 0.7 | 0.7 | 0.6 | 0.5 | 0.4 | |
