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High aluminum anchoring brick
Product overview：
High-alumina brick is made by incinerating high-alumina sintered bauxite and bonding agent, pelletizing and milling, mixing as per certain ratio, pressing molding and burning under high-temperature. It can be divided into such five grades as LZ-80, LZ-75, LZ-65, LZ-55 and LZ-48 as per physical and chemical indexes. It’s mainly used at high-temperature part of the industrial kiln.
Physical and chemical indexes：
| Item | Indexes | ||||
| LZ-80 | LZ-75 | LZ-65 | LZ-55 | LZ-48 | |
| Al2O3 % ≥ | 80 | 75 | 65 | 55 | 48 |
| Apparent porosity % ≤ | 21 | 24 | 24 | 22 | 22 |
| Ambient compression strength Mpa ≥ | 70 | 60 | 50 | 45 | 40 |
| 0.2MPa load softening starting temperature ℃ ≥ | 1530 | 1520 | 1500 | 1450 | 1420 |
| Changes in heating permanent line % | 1500℃×2h -0.4～+0.2 | 1450℃×2h -0.4～+0.1 | |||
+86-13183003859
+86-13903828086