China 65% Al2O3 Mullite Low Cement Precast Shaped, Find details about China Mullite Low Cement Precast, Alumina Precast from 65% Al2O3 Mullite Low Cement Precast Shaped
Product Index | Al2O3: 65% | Al2O3: 70% | Al2O3: 75% | Al2O3: 80% | |
Chemical composition | Al2O3 % ≥ | 65 | 70 | 75 | 80 |
SiO2 % ≤ | 25 | 23 | 20 | 15 | |
CaO % ≤ | 1.8 | 1.7 | 1.7 | 1.65 | |
Bulk density g/cm 3 ≥ | 2.50 | 2.50 | 2.60 | 2.70 | |
Cold crushing strength Mp ≥ | 110° C× 24h | 43 | 55 | 55 | 55 |
1100° C× 3h | 60 | 63 | 65 | 68 | |
1500° C× 3h | 80 | 95 | 96 | 98 | |
Modulus of ruputer Mpa ≥ | 110° C× 24h | 6.4 | 8 | 8 | 9 |
1100° C× 3h | 8.1 | 9 | 9 | 10 | |
1500° C× 3h | 13 | 13 | 13 | 13 | |
Reheating linear change % | 1100° C× 3h | 0~+1.0 | 0~+1.0 | 0~+1.0 | 0~+1.0 |
1500° C× 3h | 0~+1.0 | 0~+1.0 | 0~+1.0 | 0~+1.0 | |
Construction water % | 6-8 | 6-8 | 6-8 | 6-8 | |
Max working temperature ° C | 1650 | 1650 | 1650 | 1700 |