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High Quality Refractory Bricks
Insulation Bricks for Sale
Monolithic Refractory
Product Introduction:
Table of Contents collapse
Mullite Insulating Brick is a kind of high-performance refractory materials, which has excellent thermal insulation effect and strong resistance to high temperatures and chemical erosion.
Features:
- Good insulating effect
- High strength
- Low thermal conductivity
- Low impurity
Application:
These bricks are ideal for direct use in high-temperature kiln linings, commonly found in shuttle kilns, roller kilns, glass and petrochemical kilns.
Detailed Photoes:
Technical Data Sheet:
| Item | Unit | FMI-23 | FMI-26 | FMI-28 | FMI-30 | FMI-32 |
| Al2O3 | % | ≥37 | ≥55 | ≥65 | ≥70 | ≥77 |
| Fe2O3 | % | ≤1.0 | ≤0.9 | ≤0.8 | ≤0.7 | ≤0.5 |
| Classification Temp. | ℃ | 1260 | 1400 | 1510 | 1620 | 1730 |
| Bulk Density | g/cm³ | ≤0.6 | ≤0.85 | ≤0.95 | ≤1.05 | ≤1.35 |
| Cold Crushing Strength | MPa | ≥1.0 | ≥2.0 | ≥2.5 | ≥3.0 | ≥3.5 |
| Permanent Linear Change | % | 1200ºC | 1400ºC | 1510ºC | 1620ºC | 1730ºC |
| -0.5~+1.0 | ||||||
| Thermal Conductivity at (350±25℃) | w/m.k | ≤0.20 | ≤0.30 | ≤0.37 | ≤0.44 | ≤0.60 |
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