High Alumina Fire Brick
MARSREF is a supplier of common high alumina bricks，this bricks are made of selected bauxite clinker, sintering at 1420-1530℃ high temperature, with strict quality control. We can provide you with high aluminum bricks such as SK36, SK37, SK38 and SK40 with attractive price.
Scope of application: High alumina bricks have a wide range of applications and are commonly used in high-temperature industrial kilns such as steel metallurgical industry, petrochemical industry, ceramic glass and environmental protection industries.
Welcome to inquiry us about the price, size, technical data and any information you want to know about Common high alumina brick.
Performance Characters:
High mechanical strength
High temperature resistance
Chemical erosion resistance.
Slag resistance
Item/Grade | SK36 | SK37 | SK38 | SK40 |
Al2O3 % | ≥55 | ≥65 | ≥75 | ≥80 |
Fe2O3 % | ≤2.0 | ≤2.0 | ≤2.0 | ≤2.0 |
Refractoriness； SK | 36 | 37 | 38 | 40 |
Apparent porosity； % | 20-23 | 20-23 | 20-22 | 18-20 |
Bulk density； g/cm3 | 2.2-2.3 | 2.3-2.4 | 2.45-2.55 | 2.55-2.65 |
cold crushing strength； Mpa | ≥45 | ≥50 | ≥60 | ≥70 |
Refractoriness under load, ℃ 0.2MPa, | ≥1400 | ≥1430 | ≥1480 | ≥1500 |
