镁铝砖
指标
MgO％
≥
Al
2
O
3
％ ≤
SiO
2
％ ≤
Fe
2
O
3
％
≤
显气孔率％
apparent porosity≤
体积密度
g/cm
3
Bulk density ≥
常温耐压强度Mpa
Cold crushing
strength ≥
HMJ-80A
80
6-9
2.0
0.8
17
2.95
39.5
HMJ-80B
80
6-9
35
0.8
17
2.95
29.4
HMJ-85
85
8
2.0
0.8
18
3.05
3.05
