Mark & model : GL-65、GL-55、GL-48
Quality standard : International
H.S.Classification : Glassware & Ceramics,Ceramic Products,6902 Refractory bricks, blocks, tiles and similar refractory ceramic constructional goods nesoi
Mark & model : GL-65、GL-55、GL-48
Quality standard : International
H.S.Classification : Glassware & Ceramics,Ceramic Products,6902 Refractory bricks, blocks, tiles and similar refractory ceramic constructional goods nesoi
HIGH ALUMINA BRICKS FOR BLAST FURNACES | ||||
Goods Brand | GL-65 | GL-55 | GL-48 | |
Al2O3(%) min | 65 | 55 | 48 | |
Fe2O3(%) max | 2 | 2 | 2 | |
Refractriness under load 0.2 Mpa ( ℃) min | 1500 | 1480 | 1450 | |
Apparent porosity (%) max | 19 | 19 | 18 | |
Cold Crushing strength (MPa)min | 58.8 | 49 | 49 | |
Shrinkage after reheating (%) max | 1500℃x2h | 0~-0.2 | 0~-0.2 | *** |
1450℃x2h | *** | *** | 0~-0.2 |