Release time: 2017-06-23 09:47:13 Page viewed: 265
High alumina brick,bauxite brick,bauxite refractory brick
Characteristics:
1. High refractoriness.
2. Good spalling resistance and wear resistance.
3. Good corrosion resistance.
4. Good thermal shock resistance.
5. High mechanical strength.
6. High-temperature creep rate is low.
Physical and chemical index:
Item/Grade |
Index |
||||||
ZYC-48 |
ZYC -55 |
ZYC -65 |
ZYC -75 |
ZYC -80 |
ZYC -85 |
||
AL2O3 % (≥) |
48 |
55 |
65 |
75 |
80 |
85 |
|
Refractoriness °C (≥) |
1760 |
1770 |
1790 |
1790 |
1820 |
1850 |
|
Refractoriness under load, 0.2MPa, °C (≥) |
1420 |
1450 |
1500 |
1550 |
1580 |
1600 |
|
Permanent linear Change % |
1500°C ,2h |
|
0.1-0.4 |
||||
1450°C ,2h |
0.1-0.4 |
|
|||||
Apparent porosity % (≤) |
22 |
22 |
23 |
23 |
22 |
23 |
|
Cold crushing strength Mpa (≥) |
40 |
45 |
50 |
55 |
60 |
70 |
Application:
High alumina brick is widely used for Widely used in blast furnaces, Hot Blast Stove,Steel ladle lining, Reheating furnace, Cement kiln, Tunnel kiln,boiler, coke oven, carbon furnace,glass kiln , Steel smelting furnace and various kiln lining and thermotechnical equipment, etc.
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