Mullite Insulation Bricks
With high refractoriness, mullite insulation bricks can be directly exposed to flames. They have the characteristics of light weight, high strength, low thermal conductivity, good thermal shock resistance and significant energy-saving effects.
Good Refractoriness
CE & ISO Certified
High Quality
Customization Accepted
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Mullite Insulation Brick
With high refractoriness, mullite insulation bricks can be directly exposed to flames. They have the characteristics of light weight, high strength, low thermal conductivity, good thermal shock resistance and significant energy-saving effects.
Specification：
| Item | Specification | ||||
| JM23 | JM25 | JM26 | JM27 | ||
| Al2O3 % | ≥40 | ≥50 | ≥55 | ≥60 | |
| Fe2O3 % | ≤1.0 | ≤1.0 | ≤0.9 | ≤0.8 | |
| Bulk Density, g/cm3 | ≤0.55 | ≤0.80 | ≤0.85 | ≤0.9 | |
| CCS, MPa | ≥1.0 | ≥1.5 | ≥2.0 | ≥2.5 | |
| PLC, % | 1230℃×12h | 1350℃×12h | 1400℃×12h | 1450℃×12h | |
| -1.5~0.5 | |||||
| Thermal Conductivity, W/(m·K) | 200±25℃ | ≤0.18 | ≤0.26 | ≤0.28 | ≤0.32 |
| 350±25℃ | ≤0.20 | ≤0.28 | ≤0.30 | ≤0.32 | |
| 600±25℃ | ≤0.22 | ≤0.30 | ≤0.33 | ≤0.36 | |
| 0.05MPa RUL, T0.5 ℃ | ≥1080 | ≥1200 | ≥1250 | ≥1300 | |
| Item | Specification | |||
| JM28 | JM30 | JM32 | ||
| Al2O3 % | ≥65 | ≥70 | ≥77 | |
| Fe2O3 % | ≤0.7 | ≤0.6 | ≤0.5 | |
| Bulk Density, g/cm3 | ≤0.95 | ≤1.05 | ≤1.35 | |
| CCS, MPa | ≥2.5 | ≥3.0 | ≥3.5 | |
| PLC, % | 1510℃×12h | 1620℃×12h | 1730℃×12h | |
| -1.5~0.5 | ||||
| Thermal Conductivity, W/(m·K) | 200±25℃ | ≤0.35 | ≤0.42 | ≤0.56 |
| 350±25℃ | ≤0.37 | ≤0.44 | ≤0.60 | |
| 600±25℃ | ≤0.39 | ≤0.46 | ≤0.64 | |
| 0.05MPa RUL, T0.5 ℃ | ≥1360 | ≥1470 | ≥1570 | |
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