ߠtLtX̼uɏVøߠttϲFLڡtסtLtL֧ҸӴuȼҡLҵȲλƷNRȫʹÉLc 
Sillimanite brick and Al-C breck for blast furmace and hot-blast stove can be used for upper tap , uyere, furnace bottom , furnace tand , hot-blast furnace ,checked brick for combustor ,burning room and wind mixing room ,which has such advantages as complete variety and long service life .
| Q | X̼u | X̼u | 
| ָ̖ | HKAC-1 | HKAC-2 | HKAC-A | HKAC-B | HKAC-C | 
| Al2O3 % | 58 | 55 | 60 | 60 | 55 | 
| C % | 14 | 12 | 11 | 11 | 9 | 
| SiC % | 5 | 4 | TFe1.5 | TFe1.5 | TFe1.5 | 
| ͻȡ | 1790 | 1790 |   |   |   | 
| @ % | 18 | 18 | 16 | 17 | 18 | 
| weܶg/cm3 | 2.5 | 2.5 | 2.85 | 2.65 | 2.55 | 
| ͉Mpa | 30 | 25 | 70 | 60 | 50 | 
| ؿۏ Mpa | 12 | 9 |   |   |   | 
| ܛض0.2Mpa T1 | 1630 | 1600 |   |   |   | 
| Ûϵ100010-6/ | 2.4 | 2.4 |   |   |   | 
| ϵ 800 W/m.k |   |   | 13 | 13 | 13 |