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Application:
They are used in glass furnace,blast furnace,hot blast stoves electric arc furnace,cement kiln,other heat-engineering equipment.
High Alumina Bricks
The high alumina is divided into different kinds according to the content alumina and usage, they are widely used in glass furnace, blast furnace, hot blast stoves electric arc furnace, cement kiln and other heat-engineering equipments.
Common high alumina bricks, phosphate-bonded high alumina bricks for cement kiln, spalling resistance high alumina bricks.
Specification:
| Item Index |
LZ-80 | LZ-75 | LZ-65 | LZ-55 | LZ-48 | |
| Al2O3 % ≥ | 80 | 75 | 65 | 55 | 48 | |
| Refractoriness C ≥ | 1790 | 1790 | 1790 | 1770 | 1750 | |
| Apparent.Porosity.% ≤ | 22 | 23 | 23 | 23 | 23 | |
| Cold.Crushing.Strength (Mpa)≥ | 80 | 55 | 50 | 45 | 40 | |
| Permanent Linea Change % ≤ |
1500Cx2h | 0.1~-0.4 | 0.1~-0.4 | 0.1~-0.4 | 0.1~-0.4 | - |
| 1450Cx2h | -- | -- | -- | -- | 0.1~-0.4 | |
| Refractoriness Under Load 0.2Mpa C ≥ | 1530 | 1520 | 1500 | 1470 | 1420 | |
| Application | General Industrial Furnaces | |||||
