Loading Port:China Main Port
Payment Terms:TT OR LC
Min Order Qty:-
Supply Capability:-
SPECIFICATION:
Product features: the blast furnace with sillimanite brick using synthetic mullite, optimization of alumina, high quality flint clay as the main raw material, after high pressure forming, high temperature sintering, the main mineral of mullite. Product has low porosity, load softening point, good creep resistance, chemical corrosion resistance and excellent seismic stability characteristics, mainly for the lower part of blast furnace throat tube, iron estuary, tuyere zone.
Physical properties and chemical composition
Item | GXS-50 | GXS-60 | MLS-65 | |
Chemical composition | Al2O3 | ≥50 | ≥60 | ≥65 |
SiO2 | ≤45 | ≤38 | ≤33 | |
| Fe2O3 | ≤1.2 | ≤1.0 | ≤1.0 |
Apparent Porosity% | ≤18 | ≤18 | ≤17 | |
Bulk Density g/cm3 | ≥2.4 | ≥2.5 | ≥2.55 | |
Cold Crushing Strength Mpa | ≥45 | ≥50 | ≥60 | |
0.2Mpa Refractoriness Under Load T0.6 °C | ≥1550 | ≥1600 | ≥1650 | |
Permanent Linear Change On Reheating(%) 1500°C*2h | ±0.1 | ±0.1 | ±0.1 | |
Thermal Shock Resistances 100°C water cycles | ≥20 | ≥20 | ≥20 | |
Reversible Thermal Expansion 1000°C | 0.55 | 0.6 | 0.6 | |
Pyrometric Cone Equivalent S.C. SK | 35 | 36 | 38 | |
Range of Application | Rider Arches | Superstructure forehearth | Superstructure forehearth | |
