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Lightweight mulite insulating brick
Lightweight mullite insulating brick
Density: 0.6-0.8g/cm3
Temperature: 1350-1550 degree
Al2O3: 45-60%
Stand Size: 230x114x65/75mm
Raw material of Lightweight mullite insulating brick:
JM insulating brick, using high pure mullite as raw material, is made by adding alumina powder according to different type and then sintered at high temperature. JM insulating brick is the new energy saving material for insulation.
CHARACTERISTIC of Lightweight mullite insulating brick:
Low density
High purity
Low thermal conductivity
Excellent thermal shock resistance
APPLICATION of Lightweight mullite insulating brick:
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
Tech Data of Lightweight mullite insulating brick:
Item | Lightweight Mullite insulating brick | ||
Index/Brand | JM-23 | JM-26 | JM-28 |
AL2O3, % ≥ | 45 | 52 | 60 |
Fe2O3, % ≤ | 0.8 | 0.6 | 0.6 |
Bulk density g/cm3 | 0.8 | 0.9 | 0.9-1.0 |
Cold crushing strength MPa | 2.1-3.0 | 3.0-4.0 | 6.0-7.0 |
Linear change after heating%(155O°C × 2h) | ±0.5 | ±0.5 | ±0.8 |
Thermal conductivity (350°C±25°C)(w/m·k) | 0.2-0.25 | 0.2-0.3 | 0.2-0.25 |
Maximum service temperature°C | 1350 | 1450 | 1550 |
