Refractory High Alumina Bricks for HBS
Negotiable /Ton
Min.Order:10 Tons
Zhengzhou Titan International Trading Co., Ltd.
Chemical and physical specification:
specification | machine pressed | checkers&handmade |
chemical analysis Al2O3 % min Fe2O3% max alkalies % max TiO2 % max impurities % max alkalies+impurities % max CaO % max |
63 1.5 0.6 0.5 0.7 1.2 2.5 |
63 1.5 0.6 0.5 0.7 1.2 -- |
bulk density kg/m3 min | 2475 | 2425 |
apparent porosity % max | 20 | 22 |
cold crushing strength mpa min | 40
| 30
|
permanent linear change % max 1500℃/4hr | 0.2 -0.2 | 0.2 -0.2 |
creep 1500℃/20-50hr/0.2N/MM2 % max | 0.2 | 0.2 |
refractoriness under load 0.2n/mm2 0.5% ℃ min 2.0% ℃ min 5.0% ℃ min
|
1500 1600 1600 |
1500 1600 1600 |