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Description of Fire Resistant SK34/36 Refractory Brick For Furnace Lining With Thermal Stability 1790℃
High alumina brick, an alumina-silicate refractory material, is formulated with an alumina oxide content surpassing 48%. It is manufactured through the calcination and shaping of bauxite or materials abundant in AL2O3. Demonstrating extraordinary thermal stability, it attains a refractoriness surpassing 1770℃. Its remarkable resistance to slag makes it a prime choice for lining steelmaking electric furnaces, glass kilns, and cement rotary kilns.
Features of Fire Resistant SK34/36 Refractory Brick For Furnace Lining With Thermal Stability 1790℃:
High Alumina Content
Excellent Thermal Stability
Good Resistance to Thermal Shock
Low Thermal Conductivity
High Compressive Strength
Versatile Applications
Applicaiton of Fire Resistant Sk34/36 Refractory Brick:
Product Specification of Fire Resistant SK34/36 Refractory Brick For Furnace Lining
High Alumina Refractory Brick Physical and Chemical Index: | ||||||
Item | Properties | |||||
RS-80 | RS-75 | RS-65 | RS-55 | RS-48 | ||
Al2O3 (%) | 80 | ≥75 | ≥65 | ≥55 | ≥48 | |
Refractoriness (°C ) | ≥1790 | ≥1790 | ≥1790 | ≥1770 | ≥1750 | |
Bulk density (g/cm3) | 2.65 | 2.5 | 2.45 | 2.4 | 2.3 | |
Softening temperature under load (°C ) | 1530 | ≥1520 | ≥1500 | ≥1470 | ≥1420 | |
Linear changes on reheating (%) | 1500°CX2H | 0.1 | 0.1 | 0.1 | 0.1 | |
-0.4 | -0.4 | -0.4 | -0.4 | |||
1450°CX2H | 0.1 | |||||
-0.4 | ||||||
Apparent porosity (%) | 22 | ≤23 | ≤23 | ≤22 | ≤22 | |
Cold crushing strength (Mpa) | 55 | ≥50 | ≥45 | ≥40 | ≥35 | |
Application | steel furnace, glass furnace, sodium silicate furnace, ceramic
shuttle kiln, cement rotary kiln, blast furnace, electric furnace, blast furnace and reverberatory furnace. | |||||
