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Two type of our Alumina Insulating Fire Brick (LG-IFB):
Ordinary type (PLG-IFB)
Low iron type (DLG-IFB)
Two produce methods of our LG-IFB:
Fast foam setting technology
Method of burning up adding object
Characteristics of our LG-IFB:
High cold crushing strength
High softing temperature under load
Accurate dimension
Good thermal shock resistance
Application:
Widely used in insulating layers of various thermal equipments and linings where no high temperature melt corrosion occurs.
| Item |
PLG- 1.0 |
PLG- 0.9 |
PLG-0.8 |
PLG-0.7 |
PLG-0.6 |
PLG-0.5 |
| Al2O3 ,% ≥ |
48 |
| Fe2O3 ,%≤ |
2 |
| BD(g/cm3) |
1.0 |
0.9 |
0.8 |
0.7 |
0.6 |
0.5 |
| CCS>(Mpa) |
4.50 |
4.00 |
2.94 |
2.45 |
1.96 |
1.47 |
| TC<(350±25ºC) |
0.55 |
0.50 |
0.35 |
0.30 |
0.25 |
0.20 |
| test temperature at PLC<2% ºC |
1400 |
1400 |
1400 |
1350 |
1350 |
1250 |
| tolerance of dimension(mm) |
PLG-IFB |
DLG-IFB |
| ≤100 |
±1.5 |
±1.0 |
| 101-250 |
±2 |
±1.0 |
| 251-400 |
±3 |
±1.5 |
| warpage(mm) |
|
|
| ≤250 |
≤1 |
≤0.8 |
| 251-400 |
≤1.5 |
≤1.0 |
| crack(mm) |
|
|
| ≤0.25 |
unlimited |
unlimited |
| 0.26-1.0 |
30 |
30 |
| >1.0 |
rejected |
rejected |
Audited Supplier 
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