| Product |
ALCORAL-E |
WHITERAM-RE |
GIBRAM GIBRAM-RE |
ASAL-85Z |
HEXARAM-RE |
KAORAM-RE |
| Raw materials |
High purity alumina |
High purity alumina |
High alumina bricks |
High alumina bricks |
High alumina bricks |
High-quality chamotte |
| Max operating temperature(°C) |
1850 |
1750 |
1600 |
1600 |
1600 |
1550 |
| Fill factor(t/m3) |
3.30 |
3.20 |
2.95 |
2.95 |
2.65 |
2.40 |
| Water additions(wt%) |
5 - 6 |
4 - 5 |
5 - 6 |
5 - 6 |
5 - 6 |
5.5 - 6.5 |
| Chemical composition(%) |
SiO2 |
<1.5 |
4.7 |
10 |
11 |
31 |
51 |
| Al2O3 |
95 |
93 |
84 |
83 |
64 |
45 |
| Cr2O3 |
|
|
|
|
|
|
| ZrO2 |
|
|
|
|
|
|
| Bulk specific gravity |
110°Cx24hrs. |
3.30 |
3.20 |
2.95 |
2.95 |
2.65 |
2.40 |
| ( )Temp.x3hrs. |
3.29
(1500) |
3.25
(1600) |
2.85
(1600) |
2.90
(1400) |
2.55
(1600) |
2.45
(1400) |
Compressive strength
( )Bending strength
(MPa) |
110°Cx24hrs. |
70 |
98 (25) |
80 (15) |
90 (16) |
60 (11) |
60 (14) |
| 800°Cx3hrs. |
80 |
108 (25) |
83 (16) |
95 (17) |
65 (13) |
70 (15) |
| 1000°Cx3hrs. |
|
|
|
|
|
|
| 1400°Cx3hrs. |
110 |
176 (42) |
117 (23) |
130 (25) |
85 (20) |
95 (23) |
| 1500°Cx3hrs. |
|
|
|
|
|
|
| 1600°Cx3hrs. |
180 |
215 (49) |
176 (33) |
|
95 (23) |
|
| Premanent linear change(%) |
110°Cx24hrs. |
0 |
0 |
0 |
0 |
0 |
0 |
| ( )Temp.x3hrs. |
-0.1 (1600) |
-0.3 (1600) |
0.1 (1600) |
0.1 (1400) |
1.5 (1600) |
-0.3 (1400) |
| Porosity(%) |
110°Cx24hrs. |
8 |
12 |
8 |
8 |
10 |
8 |
| 800°Cx3hrs. |
13 |
17 |
13 |
13 |
13 |
14 |
| 1000°Cx3hrs. |
|
|
|
|
|
|
| 1400°Cx3hrs. |
16 |
15 |
16 |
16 |
15 |
16 |
| 1500°Cx3hrs. |
|
|
|
|
|
|
| 1600°Cx3hrs. |
16 |
12 |
16 |
16 |
13 |
|
| Thermal expansion(%) |
at1000°C |
0.8 |
0.6 |
0.7 |
0.7 |
0.6 |
0.45 |
| Bending strength at elevated temp.(MPa) |
at1260°C |
11.7 |
7.8 |
19.6 |
|
14.7 |
9.8 |
Thermal conductivity
(W/m/K) |
at500°C |
2.09 |
1.98 |
1.86 |
1.86 |
1.40 |
1.28 |
| at1000°C |
2.33 |
2.21 |
2.09 |
2.09 |
1.51 |
1.40 |
| Standard package quantity(kg) |
25 |
25 |
25 |
25 |
25 |
25 |
| Typical applications |
Melting suface for pure aluminum |
Cement kilns,
Types of kilns |
Aluminum melting furnace,
Types of kilns |
Aluminum melting furnace |
Types of kilns |
Types of kilns |
