|
| |
低蠕变优质高铝砖Low-Creep
High-Alumina Bricks
 |
creep resistance |
|
thermal shock resistance |
|
chemical resistance |
|
good insulating capability |
Common applications:
|
hot blast stove for glass and metal processing |
 |
HRL- |
|
155 |
150 |
145 |
140 |
135 |
130 |
127 |
|
Al2O3 % min |
75 |
75 |
70 |
65 |
65 |
60 |
50 |
|
耐火度Refractoriness,
≥ °C |
1790 |
1770 |
|
显气孔率Apparent
porosity, ≤ % |
20 (23) |
21 (23) |
20 (22) |
23 (24) |
23 (24) |
23 (24) |
23 (24) |
|
体积密度Density,
≥ g/cm3 |
2.5 (2.45) |
2.5 (2.45) |
2.45 (2.4) |
2.4 (2.35) |
2.4 (2.35) |
2.3 (2.25) |
2.2 (2.15) |
|
常温耐压强度Cold
crushing strength, MPa |
50 (40) |
45 (40) |
40 (30) |
|
蠕变率Creep
rate at 0.2MPa x 50h, % |
1550°C |
1550°C |
1450°C |
1400°C |
1350°C |
1300°C |
1270°C |
|
1.0 |
|
