Description
Fire brick, refractory brick, insulation brick, insulating fire brick, insulation refractory brick, fire bricks, refractory bricks, insulation bricks, insulating bricks, insulating fire bricks, insulator, fire proof brick, lining brick, hot face bricks, cold face bricks,
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 |
Complaint
