High Alumina refractory brick Al2O3:80%
Detailed Product Description
DOUBLE EGRET is the specialized manufacturer and exporter of insulation and refractory material in north of China with more than 10 years' history. Our brand CCE WOOL is well known in the world, enjoying good maket in Europe, America, Southeast Asia and Mid East.
CCE WOOL refractory brick is also called fire brick, fireproof brick, clay brick. Refractory brick is a kind of refractory material with the Al content 30%-70%. The comm size of refractor brick is 230x114x75/65mm. We mainly export refractory brick to UK, AUSTRALIA, SPAIN, TURKEY, ITALY etc.
APPLICATION:
Glass furnace, gas furnace
Industrial boiler, heating furnaces
Tunnel kiln, rotary kiln, steel plant
| 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 |
