| Place of Origin: | China (Mainland) |
|---|---|
| Brand Name: | Shandong Gaoha Refractories Technology Co.,Ltd. |
| Model Number: | 7701 |
| Application: | |
| Shape: | brick |
| Dimensions: | |
| Chemical Composition: |
Quick Details
Specifications
Description of product
|
Name |
corundum products |
|
Ingredient |
Dense fused corundum, Synthetic mullite, Chrome, etc |
|
Fire resistant |
≥1790℃ |
|
Advantages |
1.high density& temperature resistibility 2. low bulk density, high compressive strength, 3. resistance to high temperature(≥1790℃) 4.good thermal shocking resistance 5.Excellent corrosion resistant to acids and alkalis 6.They are not influenced by H2, CO gases during use |
|
Size and specifications |
230x114x65mm The size, density, chemical composition can be customized. |
Technical Data
|
Item |
High purity corundum bricks DL-98 |
Normal corundum bricks DL-95 |
Normal corundum bricks DL-90 |
Corundum Mullite Products MDL-80 |
Chrome corundum brick/corundum-chrome firebrick GDL-85 |
|
Al2O3％≥ |
98.5 |
95 |
90 |
80 |
85 |
|
Cr2O3％≥ |
/ |
/ |
/ |
/ |
8 |
|
SiO2％≤ |
0.3 |
3.0 |
9.0 |
18 |
0.2 |
|
Fe2O3％≤ |
0.2 |
0.2 |
0.5 |
0.5 |
0.2 |
|
R2O％≤ |
0.3 |
0.6 |
0.6 |
0.4 |
0.5 |
|
Bulk Density (g/cm3 ≥) |
3.0 |
2.9 |
2.9 |
2.7 |
3.1 |
|
Compressive strength at normal temperature (MPa≥) |
75 |
100 |
100 |
60 |
80 |
|
Fire resistant (°C≥) |
1790 |
1790 |
1790 |
1790 |
1790 |
|
Soften point under 0.2 MPa load KD °C |
1700 |
1650 |
1650 |
1700 |
1700 |
|
Liner Change(%)1600°C x3h |
0.2 |
0.2 |
0.2 |
0.3 |
0.2 |
|
Thermal shock stability 1100 °C water |
6 |
10 |
10 |
20 |
15 |