1500 Degree Al2O3 High Alumina Firebrick For Rotary Kiln
High aluminum refractory products is Al2O3 content in more than 48% of silicate aluminum refractory materials,used in blast furnaces, hot blast stove, electric furnace and other industrial kiln.
Key features
1. Low bulk density, low thermal conductivity, good thermal insulation performance.
2. Refractory category allow direct contact of fire, suitable for various atmosphere.
3. Good integrity with furnace lining, long service life, easy operation, could be shaped freely.
Application
1. Furnaces of metallurgy industry, heat treatment furnace.
2. Furnaces of chemical industry and construction industry.
3. Furnace of incineration of garbage, recirculating fluidized bed furnace .
Technical details:
| Item | SK-36 | SK-37 | SK-38 | SK-40 |
| AL2O3% (≥) | 55 | 65 | 70 | 82 |
| Fe2O3% (≤) | 2 | 2 | 2 | 2 |
| Refractoriness (°C) | 1790 | 1820 | 1850 | 1920 |
|
Refractoriness under load, 0.2MPa, °C (≥) |
1450 | 1480 | 1530 | 1600 |
| Apparent porosity (%) | 20-23 | 20-23 | 20-22 | 18-20 |
| Bulk density (g/cm³) | 2.25-2.4 | 2.3-2.5 | 2.4-2.6 | 2.5-2.7 |
| Cold crushing strength ,MPa (≥) | 45 | 50 | 60 | 70 |
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.