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High alumina bricks
Product Detailed
Related Categories:Refractory
1.high temperature mechanical strength
2.superior to clay
High alumina bricks
High alumina bricks of clinker with a certain amount of soil is a combination of vanadium clay made of AI2O3 content is more than 48% of the Al-Si refractory products. High alumina bricks production process and high quality clinker brick production process of multi-basically the same. The difference is that in the clinker crusher before grading selection process and screening process after the iron removal.
item | index | ||||
AI2O3≥ | LZ-75 | LZ-65 | LZ-55 | LZ-48 | |
Refractoriness | ≥ | 1790 | 1770 | 1750 | |
0.2MPa Refractoriness under load | 1520 | 1500 | 1470 | 1420 | |
Linear change on reheating % | 1500,2h | +0.1 -0.4 | - | ||
1450,2h | - | +0.1 -0.4 | |||
Apparent porosity/% | 23 | 22 | |||
cold crushing strength /MPa | 53.9 | 49.0 | 44.1 | 39.2 | |
High alumina bricks
