Product Overview
Corundum Mullite brick is composed of white alumina and high purity mullite as raw materials, add proper metal fines, processed by moulding under high pressure and sintering under high temperature (1650℃~1750℃). It is a high quality furnace refractory brick, we can provide you corundum mullite brick with customized drawings.
Product Characteristics
01.
High temperature strength
02.
Higher refractoriness under load
03.
Good thermal shock resistance
04.
Good erosion resistance
Application
Corundum mullite brick is widely used in the steel furnace, steel ladle lining, reheating furnace, hot blast stove, glass kiln, cement kiln, boiler, etc.
Specification should be different according to different furnaces/kilns, standard shapes and customized drawings are acceptable.
Product Specifications
| Item | CM-70 | CM-80 | CM-90 |
| Al2O3% | ≥70 | ≥80 | ≥90 |
| SiO2% | ≦25 | ≦18 | ≦8 |
| Fe2O3% | ≦0.5 | ≦0.5 | ≦0.3 |
| Bulk Density(g/cm3) | 2.55 | 2.70 | 2.90 |
| Apparent Porosity% | ≦17 | ≦19 | ≦18 |
| Cold Crushing Strength Mpa | ≥90 | ≥80 | ≥100 |
| Refractoriness Under Load (0.2Mpa) ℃ | ≥1630 | ≥1650 | ≥1700 |
