refractoriness ( תואר )
1770°< Refractoriness< 2000°
מספר דגם
black fire brick
Raw material
dead-burned or fused magnesia,graphite
Bulk density
2.7-2.9g/cm3
Cold crushing strength
25-40 Mpa
Modulus of rupture
4-10Mpa
Feature1
High corrosion resistance,Low creep
Feature 2
Using antioxidants,Good oxidation resistance
Applications
Electric furnace,steel ladle,Converters