1.high alumina refractory brick 2.High temperature resistant 3.Chemical corrosion resistance
Product features: the blast furnace high aluminum bricks with the high qualified crog as the main raw material, the high-pressure forming, high temperature sintering and into. The main mineral composition for mullite and corundum phase, the Product has excellent physical and chemical resistance of high temperature corrosion, widely used in different parts of the blast furnace lining.
ITEMS | GL-65 | GL-55 | GL-48 |
AL2O3.% Min | 65 | 55 | 48 |
Refractability Min | 1800 | 1780 | 1760 |
Refractoriness under load Min | 1500 | 1480 | 1450 |
Reheat linear change%(P.L.C)1450°C*2h | 0—0.2 | 0—0.2 | 0—0.2 |
Apparent porosity %(A.P.) Max | 19 | 19 | 18 |
Cold crushing strength MPa(ccs) Min | 58.8 | 49.0 | 49.0 |
High Alumina Brick For Blast Furnace
