| Model: | - |
|---|---|
| Brand: | rongsheng |
| Origin: | Made In China |
| Category: | Metallurgy , Mining & Energy / Metallurgy & Mining / Non-metallic Mineral Products |
| Label: | unshaped fire brick , fire brick |
| Price: |
US $1.12
/ pc
|
| Min. Order: | 1000 pc |
| Live Chat: | Last Online:26 Aug, 2013 |
High alumina brick used for BF,Mainly composed of special alumina bauxite chamotte (Al2O3≥48%)as starting materials,the brick are processed by molding under high pressure and sintering under high temperature,available for the lining of EAF steelmaking,glass tank,cement rotary kiln.
Physical and chemical index:
|
Item |
Index |
||||||
|
LZ-48 |
LZ-55 |
LZ-65 |
LZ-75 |
LZ-80 |
LZ-85 |
||
|
AL2O3 % (≥) |
48 |
55 |
65 |
75 |
80 |
85 |
|
|
Refractoriness °C (≥) |
1750 |
1770 |
1790 |
1790 |
1820 |
1850 |
|
|
Refractoriness under load, 0.2MPa, °C (≥) |
1420 |
1450 |
1500 |
1530 |
1550 |
1580 |
|
|
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 |
60 |
65 |
70 |
|
