Low Cement castables
Brand |
LOW Cement castables |
|||
WLC-45 |
WLC-70 |
WLC-85 |
||
Chemical composition |
Al 2 O 3 |
≥ 45 |
≥ 70 |
≥ 85 |
CaO |
≤ 2.5 |
≤ 2.5 |
≤ 2.5 |
|
Bulk density (g/cm 3 ) |
≥ 2.3 |
≥ 2.6 |
≥ 3.0 |
|
Bending Strength (MPa) |
11 0 ℃ After drying at |
≥ 5 |
≥ 8 |
≥ 12 |
℃ ×3h After firing at |
1350 ≥ 8 |
1350 ≥ 12 |
1500 ≥ 15 |
|
Crushing Strength (MPa) |
11 0 ℃ After drying at |
≥ 20 |
≥ 30 |
≥ 40 |
℃×3h After firing at |
1350 ≥ 40 |
1350 ≥ 50 |
1500 ≥ 60 |
|
℃×3h Linear Change Rate After Firing |
1350 ± 0.5 |
1350 ± 0.5 |
1500 ± 0.5 |
|
Service Temperature (℃) |
1400 |
1500 |
1600 |
|