| 种类 |
镁铝砖 |
镁铝尖晶石砖 |
|||||||
|
HLML -80 |
HLML -85 |
HLML -75A |
HLML -75B |
HLML 80 |
HLML -85A |
HLML -85B |
HLML -93A |
HLML -93B |
|
|
MgO %≥ |
80 |
85 |
75 |
75 |
80 |
85 |
82 |
88 |
85 |
|
Al2O3%≤ |
5-10 |
5-8 |
13 |
13 |
9 |
9 |
9 |
5 |
5 |
|
SiO2 %≤ |
2.0 |
2.0 |
0.6 |
1.0 |
1.5 |
0.6 |
2.5 |
0.6 |
2.0 |
|
显气孔率 %≤ |
18 |
18 |
17 |
17 |
17 |
16 |
17 |
16 |
17 |
|
体积密度 (g/cm3) |
2.95 |
3.05 |
2.95 |
2.95 |
2.95 |
2.95 |
2.95 |
2.95 |
2.95 |
|
常温耐压强度 MPa≥ |
40 |
40 |
45 |
45 |
45 |
45 |
40 |
45 |
40 |
|
荷重软化点 °C≥ |
1600 |
1650 |
1700 |
1700 |
1700 |
1700 |
1700 |
1700 |
1700 |
|
热稳定性 1100°C 一水次 |
3-6 |
5 |
10 |
10 |
10 |
12 |
10 |
12 |
10 |
