ISOLITE INSULATING FIRE BRICKS LBK SERIES
ISOLITE INSULATING BRICK – LBK Series are a group of insulating fire bricks for use in petrochemical and oil
refining industry and conform to ASTM C 155 – 97. These product’s features are low iron content, low reheat
shrinkage, and low thermal conductivity.
| ISOLITE INSULATING FIRE BRICKS, LBK SERIES | |||||||||
| Product | Group No. | Class. temp. | Bulk density | Chemical analisys (%) | Thermal conductivity | C.C.S | |||
| ASTM C 155-97 | oC | gr/cm3 | Al2O3 | SiO2 | Fe2O3 | (at oC) | (W/moK) | (N/mm2) | |
| LBK-20 | 20 | 1200 | 0,48 | 45 | 49 | 1,2 | 400 | 0,17 | 1,4 |
| LBK-23 | 23 | 1300 | 0,52 | 45 | 49 | 1,2 | 400 | 0,18 | 2,0 |
| LBK-26 | 26 | 1430 | 0,59 | 55 | 42 | 1,1 | 400 | 0,24 | 2,9 |
| LBK-28 | 28 | 1540 | 0,7 | 72 | 26 | 0,6 | 400 | 0,26 | 4,0 |
| LBK-30 | 30 | 1649 | 0,8 | 69 | 30 | 0,5 | 400 | 0,28 | 5,0 |
| LAP-165 | 32 | 1650 | 0,8 | 73 | 25 | 0,5 | 400 | 0,35 | 4,0 |