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magnesia chrome refractory brick
Product Detailed
magnesia chrome refractory brick
1,resistant high temperature.
2,resistant high pressure
3,Anti acidity
Can make all size
Composition:
Clay refractory brick consist of fire clay and binder.
The chemical components of these bricks are SiO2 and Al2O3.
Function:
1.Bricks are made from high quality bauxite.
2.Dry pressed .
3.Burned under tunnel kiln.
4.Accurate dimension.
5.High strength.
Production process:
Factory:
International standard:
item | SK-32 | SK-34 | SK-36 | SK-37 | SK-38 |
AI2O3(%) | 38 | 42 | 50 | 65 | 70 |
Fe2O3 (%) | 3 | 2.5 | 2 | 2 | 0.3 |
Refractoriness (SK) | 32 | 34 | 36 | 37 | 38 |
Refractoriness under load, 0.2MPa, Ta, ((°C) | 1300 | 1350 | 1450 | 1550 | 1580 |
Porosity (%) | 22-26 | 19-23 | 20-24 | 23 | 18 |
Bulk density (g/cm³) | 2.05 | 2.1-2.15 | 2.3-2.4 | 2.5 | 2.62 |
Cold crushing strength (MPa) | 25 | 25 | 45 | 45 | 51 |
Thermal expansion at 1000°C (%) | 0.6 | 0.6 | 0.3 | 0.5-0.7 | 0.6 |
