Customization: | Available |
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Classification: | High-Alumina |
Feature: | Good Mechanical Strength, Good Thermal Insulation Performance, High-Temperature Resistant, Low Thermal Conductivity |
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Item | Unit | FNTD-42 | FJQZ-37B | FHGZ-55 |
Fire Clay | Cordierite Mullite | High Alumina | ||
Al2O3 | % | ≥42 | ≥37 | ≥55 |
SiO2 | % | ≤51 | ≤50 | - |
MgO | % | - | 5~8 | - |
Fe2O3 | % | ≤2.5 | - | ≤1.5 |
Bulk Density | g/cm3 | ≥2.1 | ≥1.9 | ≥2.42 |
Apparent Porosity | % | ≤26 | ≤28 | ≤20 |
Cold Crushing Strength | ℃ | ≥35 | - | ≥50 |
0.2 MPa R.U.L. | % | ≥1400 | ≥1420 | ≥1450 |
Thermal Shock Resistance | cycles | not so good | excellent | good |