Application: Steel smelting, industry kiln, hot-bast stove, stove roof etc.
Product name: AL-40, AL-42, AL-44, AL-45, AL-46, AL-50, AL-65, AL-75, AL-80, AL-85, AL-90, C-98.
Brand Item |
Fireclay |
High alumina |
Corundum spinel bricks |
CN-42 |
CL75 |
CL80 |
PZCL78 |
MA-A89 |
Al 2 O 3 % ≥ |
42 |
75 |
80 |
78 |
89 |
Fe2O3 % ≤ |
|
|
2.0 |
2.0 |
0.5 |
SiO2 % ≤ |
|
|
|
|
1.5 |
MgO % ≤ |
|
|
|
|
4.5 |
Refractoriness under load 0.2 MPa Ta ( º C ) ≥ |
1430 |
1510 |
1530 |
1550 |
T2 ≥ 1650 |
Apparent Porosity % ≤ |
18 |
28 |
24 |
21 |
17 |
Cold Crushing Strength (MPa) ≥ |
39.2 |
40 |
50 |
70 |
80 |
Bulk density (g/cm 3 ) ≥ |
|
|
|
|
3.1 |
Permanent linear change % |
1400 º C × 2h 0~-0.3 |
1500 º C × 2h 0.1~0.5 |
1550 º C × 2h 0.1~0.5 |
1550 º C × 2h 0.4~0.3 |
1600 º C × 3h ≥ + 0.2 |