High alumina castable has the advantages of high refractoriness, good workability and quick construction speed. According to the types of binders, it is classified into ordinary high alumina castable, low cement high alumina castable, no cement high alumina castable and so on. The applications are: burner nozzle working lining, electric furnace tapping spout, shaft lime kiln high temperature zone, rotary kiln hood, power plant boiler, etc.
Color: grey
Material:industrial alumina oxide powder, selected limestone powder
Packing:25kg/bag, or as per your need
Product Aapplication
It’s mainly used for furnace lining of boiler, blast furnace, hot blast stove, heating furnace, ceramic kiln and various industrial furnaces.
| Items | PF-1 | PF-2 | |
| Al2O3 % | 65 | 75 | |
| Refractoriness ℃ | 1750 | 1770 | |
| Linear Rate Change % | -0.02 | -0.4 | |
| Cold Crushing Strength MPa ≥ | 110℃×24h | 50 | 60 |
| 1100℃×4h | 60 | 70 | |
| Modulus of Rupture MPa ≥ | 110℃×24h | 9 | 11 |
| 1100℃×4h | 10 | 12 | |
| Maximum Service Temperature ℃ | 1200 | 1400 | |
