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Brand:aa
Product detail:
refractory silicon carbide beams
High strength
Low thermal expansion coefficient
Good thermal conductivity and thermal shock resistance
Good resistance to liquid aluminum erosion capability
High erosion
Chemical & Physical Specification of refractory silicon carbide beams
Index | Al electrolysis cell block | Kiln furniture brick | |
SIC, % ≥ | 72 | 70 | |
Si3N4 % ≥ | 20 | 20 | |
Fe2O3 % ≤ | 0.7 | 0.7 | |
Bulk Density g/cm3 ≥ | 2.62 | 2.60 | |
Apparent Porosity % ≤ | 17 | 18 | |
Cold Crushing Strength Mpa ≥ | 150 | 140 | |
MOR, Mpa | Room temp. ≥ | 42 | 35 |
1400°Cx0.5hrs ≥ | 45 | 45 | |
Refractoriness Under Load (0.2Mpa,0.6%), °C ≥ | 1700 | 1700 | |
Thermal Shock Resistance (Water quenching at 1100), cycle ≥ | 30 | 30 | |
Typically Application of refractory silicon carbide beams:
1.) Side wall Electrolyzer cell chemical-industrial reaction pot.
2.) Used as Kiln shed board, slide push board, sagger, Tuyere combined bricks.
3.) Used in blast furnace belly, Bosh and lower stack, cooling wall, rubbish burning furnace and boiler
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