Special Heigh Alumina Bricks
2018-02-08
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Product Name | Special High Alumina Bricks | High Alumina Brick | High Alumina Brick | High Alumina Brick | Sillimanite Bricks | |||||
Designations | YRS-65 | YRS-70 | YRS-75 | YRS-80 | P-80 | PA-80 | HRP-80 | AZM-1650 | AZM-1600 | AZM-1550 |
Al2O3(%) | ≥65 | ≥70 | ≥75 | ≥80 | ≥75 | ≥77 | ≥80 | ≥65 | ≥63 | ≥60 |
Fe2O3(%) | ≤2 | ≤2 | ≤2 | ≤2 | ≤3 | ≤3 | ≤3 | / | / | |
Bulk Density(kg/m3) | ~2500 | ~2600 | ~2650 | ~2800 | ~2700 | ~2750 | ~2800 | ~2650 | ~2600 | ~2550 |
Apparent Porosity(%) | 22 | 20~25 | 22 | 20 | / | / | / | ≤17 | ≤17 | ≤19 |
Cold Crushing Strength(Mpa) | ≥45 | ≥45 | ≥60 | ≥80 | ≥60 | ≥65 | ≥60 | ≥85 | ≥90 | ≥90 |
Refractoriness Under Load | ≥1400 | ≥1470 | ≥1480 | 1500 | ≥1300 | ≥1250 | ≥1460 | ≥1600 | ≥1550 | |
Thermal Expansion Rate(%)1000℃ | ~0.5 | ~0.5 | ~0.5 | ~0.5 | / | / | / | ~0.6 | ~0.6 | ~0.6 |
Thermal Conductivity(W/m·k) | 1.4 | 1.4 | 1.4 | 1.4 | / | / | / | / | / | |
Thermal Shock Resistance | ≥10 | ≥15 | ≥12 | ≥12 | / | / | ≥30 | ≥10 | ≥10 | ≥12 |
