| Model: | - |
|---|---|
| Brand: | gaoha |
| Origin: | Made In China |
| Category: | Metallurgy , Mining & Energy / Metallurgy & Mining / Non-metallic Mineral Products |
| Label: | Corundum Mullite , corundum fire brick , refractory fire |
| Price: |
US $1
/ ton
|
| Min. Order: | 1 ton |
| Live Chat: | Last Online:17 Apr, 2015 |
Widely used as linings in decomposing furnaces for petroleum and chemical industry, as well as chemical fertilizer industry. They also used as high temperature kiln linings and furniture’s in metallurgical industry.
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
|
Chromecorundum 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 at 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 |
| Payment Terms: | TT/LC |
|---|---|
