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Product Description of Factory Price Al2o3 Fire Resistant Brick High Alumina Refractory Brick for Cement Industry 1770℃
High alumina bricks are a type of refractory material commonly for sale in RS Company. They are mainly composed of alumina (Al2O3), and have high refractoriness, high strength, acid and alkali resistance, good thermal stability, and other properties. High alumina bricks have high thermal stability and refractoriness above 1770℃.
Product Specification of Factory Price Al2o3 Fire Resistant Brick
Item | Specification | |||||
LZ-80 | LZ-75 | LZ-70 | LZ-65 | LZ-55 | LZ-48 | |
Al2O3 % | ≥80 | ≥75 | ≥70 | ≥65 | ≥55 | ≥48 |
Apparent Porosity, % | ≤21 | ≤24 | ≤24 | ≤24 | ≤22 | ≤22 |
CCS, MPa | ≥70 | ≥60 | ≥55 | ≥50 | ≥45 | ≥40 |
0.2MPa RUL ℃ | ≥1530 | ≥1520 | ≥1510 | ≥1500 | ≥1450 | ≥1420 |
PLC, % | 1500℃×2h -0.4~0.2 | 1450℃×2h -0.4~0.1 | ||||
