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Product Introduction:
Chrome corundum compounding brick is made with high-purity chromium oxide,Dense electro-fused alumina, white clay as main material, shaped in high pressure and sintered in high temperature.
Feature:
Good abrasion resistance
High temperature stability
Good thermal shock resistance
Good erosion resistance.
Technical Index:
Item
|
Chrome Corundum Compounding Brick | ||
Heavy | Light weight | ||
Chemical Composition % |
Al2O3 | ≥80 | ≥40 |
SiO2 | / | 50~55 | |
Cr2O3 | ≥4 | / | |
ZrO2 | ≥3 | / | |
Fe2O3 | ≤0.8 | / | |
Apparent porosity% | ≤17 | / | |
Crushing strength MPa | ≥110 | ≥30 | |
RUL ℃ | ≥1650 | ≥1300 | |
Thermal shock resistance 1100℃ cooling water | ≥25 | / | |
Bulk density g/cm³ | ≥2.9 | ≤2.1 | |
Thermal conductivity w/m.k (600℃±25℃) |
2.5 | 1.0 | |
Refractoriness (℃) | ≥1790 | ≥1730 | |
Linear change on reheating(1350x3h,%) | ±0.1 | ±0.1 |
Manufacturing Process Flow:
Rough Materials-Calcining in Rotary Kiln-Mixing-Batching -Inspect-Packing-Delivery