Mark & model : RL-65、RL-55、RL-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 : RL-65、RL-55、RL-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 HOT BLAST STOVES | ||||
Goods Brand | RL-65 | RL-55 | RL-48 | |
Al2O3(%) min | 65 | 55 | 48 | |
Refractriness under load 0.2 Mpa ( ℃) min | 1500 | 1470 | 1420 | |
Apparent porosity (%) max | 22 | 22 | 22 | |
Cold Crushing strength (MPa)min | 50 | 45 | 40 | |
Shrinkage after reheating (%) max | 1500℃x2h | 0.1~-0.4 | 0.1~-0.4 | *** |
1450℃x2h | *** | *** | 0.1~-0.4 | |
Thermal shock (1100℃ water) | 6 | 6 | 6 |