Zircon-Mullite Bricks
Itme |
Index |
||
MZ-22 |
MZ-30 |
MZ-15 |
|
Al 2 O 3 , % ≥ |
55 |
50 |
62 |
SiO 2 , % ≤ |
25 |
||
ZrO 2 , % ≥ |
22 |
30 |
15 |
Cold Crushing Strength , Mpa |
65 |
65 |
50 |
Bulk Density g/cm 3 |
2.85 |
2.95 |
2.70 |
0.2 Mpa Refractoriness Under Load , ℃ ≥ |
1600 |
1600 |
1650 |
Apparent Porosity , % ≤ |
18 |
18 |
18 |
