| Product |
PL-38RS |
PL-37R |
| Raw materials |
High alumina bricks |
High alumina bricks |
| Fill factor(t/m3) |
2.95 |
2.80 |
| Refractoriness(SK) |
40 |
38 |
| Chemical composition(%) |
SiO2 |
7 |
11 |
| Al2O3 |
89 |
85 |
| Bulk specific gravity |
110°Cx24hrs. |
2.85 |
2.70 |
| 1500°Cx3hrs. |
2.60 |
2.50 |
Compressive strength
(MPa) |
110°Cx24hrs. |
4.0 |
4.9 |
| 900°Cx3hrs. |
15 |
15 |
| 1500°Cx3hrs. |
20 |
29 |
| Permanent linear change(%) |
110°Cx24hrs.
|
-0.1 |
-0.1 |
| 900°Cx3hrs. |
-0.2 |
-0.2 |
| 1500°Cx3hrs. |
0.5 |
2 |
Thermal conductivity
(W/mk) |
at500°C |
1.9 |
1.9 |
| at1000°C |
1.8 |
1.8 |
| Standard package quantity(kg) |
25 |
25 |
| Features |
Volume stability,
Corrosion resistance |
Volume stability,
Corrosion resistance |
| Typical applications |
Low frequency induction furnace,
Steelmaking furnace |
Low frequency induction furnace,
Steelmaking furnace |
