| Product |
CHROMERAM-15LCK-RE |
CHROMERAM-10LC-RE |
HEXARAM-10XK2-RE |
| Raw materials |
Alumina-chromia |
Alumina-chromia |
High alumina-chromia |
| Max operating temperature(°C) |
1600 |
1950 |
1600 |
| Fill factor(t/m3) |
3.15 |
3.40 |
2.85 |
| Water additions(wt%) |
4 - 5 |
4 - 4.6 |
4.5 - 5.6 |
| Chemical composition(%) |
SiO2 |
4.5 |
0.5 |
18 |
| Al2O3 |
78.5 |
86 |
69 |
| Cr2O3 |
15 |
10 |
10 |
| ZrO2 |
|
|
|
| Bulk specific gravity |
110°Cx24hrs. |
3.15 |
3.40 |
2.85 |
| ( )Temp.x3hrs. |
3.05
(1500) |
3.33
(1500) |
2.78
(1500) |
Compressive strength
( )Bending strength
(MPa) |
110°Cx24hrs. |
70 (15) |
65 (13) |
65(10) |
| 800°Cx3hrs. |
|
|
|
| 1000°Cx3hrs. |
95 (12) |
95 (17) |
120(15) |
| 1400°Cx3hrs. |
|
|
|
| 1500°Cx3hrs. |
170 (20) |
195 (35) |
135(15) |
| 1600°Cx3hrs. |
|
|
|
| Premanent linear change(%) |
110°Cx24hrs. |
0 |
0 |
0 |
| ( )Temp.x3hrs. |
0.6 (1500) |
0.3 (1500) |
0.4(1500) |
| Porosity(%) |
110°Cx24hrs. |
12 |
13 |
14 |
| 800°Cx3hrs. |
|
|
|
| 1000°Cx3hrs. |
17 |
16 |
17 |
| 1400°Cx3hrs. |
|
|
|
| 1500°Cx3hrs. |
19 |
17 |
19 |
| 1600°Cx3hrs. |
|
|
|
| Thermal expansion(%) |
at1000°C |
0.7 |
0.8 |
0.5 |
| Bending strength at elevated temp.(MPa) |
at1260°C |
|
|
|
Thermal conductivity
(W/mK) |
at500°C |
3.8 |
3.8 |
2.7 |
| at1000°C |
4.6 |
4.6 |
2.9 |
| Standard package quantity(kg) |
25 |
25 |
25 |
| Typical applications |
Special kilns,
Melting furnace,
Spalling resistance |
Special kilns,
Melting furnace |
Melting furnace,
Spalling resistance |
