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The main products are contents:mullite light-weight brick,high-temperature bonder and indeterminate from fireproofing material etc.
classification
Application:
Various kinds of high-temperature kilns, which can be manufactured into refractory product such as saggar, guide rail, push pedal, refractory slab, support, burning board,burner block and hearth and furnace tube.
Feature:
High purity of raw material, high operating temperature, compact and uniform structure, antioxidation
Physical and chemical index:
Name of commodity
Performance and index |
Fused corundum brick | corundum brick | Light weight Corundum Mullite brick | |
Bulk density g/cm3 | ≥3.8 | 2.2-2.9 | 1.2-1.5 | |
Compressive strength at ambient temp Mpa |
≥70 | 30-80 | 15-25 | |
Linear change on reheating ℃×hr %≤ | 1800×4 0.2 | 1600×4 0.2 | 1600×4 0.2 | |
Apparent porosity% | ≤20 | 18-25 | ||
AL2O3 %≥ | 99 | 80-90 | 75-95 | |
SiO2% | ≤0.5 | 18-8 | 23-3 | |
Fe2O3 %≤ | 0.1 | 0.2 | 0.3 | |
Highest use temp ℃ | 1800 | 1750 | 1600 |
The actual parameters can be adjusted according to the requirements of users.