Detailed Product Description
Refractories for aluminium alloy industry, free from sticking to alulminium
Refractories free from sticking to aluminium manufactured by our company, taking quality silicone carbide, electro corundum and cleaning bauxite as raw material with quality addictives added, show the features of high density, high strength, superior resistance to corrosion and erosion of aluminium pad, free from infiltration, non-sticking aluminium, and are widely used in different parts of aluminium alloying furnace.
Technical specification
Item | Silicone carbide brick, non-sticking aluminium | Castable, non-sticking aluminium | Composite corundum castable |
Al2O3, %, ≥ | - | 75 | 80 |
SiC, %, ≥ | 70 | - | - |
BD,g/cm3, ≥ | 2.4 | 2.6 | 2.7 |
AP,%,≤ | 17 | - | - |
0.2 Mpa RUL, ,≥ | 1700 | - | - |
Compression strength, Mpa, ≥ | 120 | 50 (110 ×24h) 60 (1350 ×24h) | 60 (110 ×24h) 80 (1350 ×24h) |
MOR, Mpa, ≥ | - | 6 (110 ×24h) 8 (1350 ×24h) | 8 (110 ×24h) 10 (1350 ×24h) |
PLC, %, ×h | 0~-0.2 (1400 ×24h) | ±0.2 | ±0.1 |
Thermal shock resistance, cycle | 35 | - | - |
Castables for aluminium alloy industry
Item Brand | BJ70 | BJ80 |
AL2O3, ≥ | 70 | 80 |
MOR, Mpa, ≥ | 5 110oC×24h | 5110oC×24h |
71350oC×24h | 71350oC×24h | |
Compression strength, Mpa, ≥ | 45110oC×24h | 50110oC×24h |
501350oC×24h | 601350oC×24h | |
PLC (1350 oC×3h), % | ± 0.5 | ± 0.5 |
Water added, % | 5~7 | |
