High Quality Insulating Brick
Insulating brick was a new lightweight refractories developed by our company according to market demanding .which have high thermal insulating ,low thermal conductivity ,low ferro ,high crushing strength, Good thermal stability, can be use as ling of industry kiln directly .
Light insulating brick technical parameter :
Items | ZG-23 | ZG-26 | ZG-28 | ZG-30 | |
Temperature ℃ | 1260 | 1430 | 1540 | 1650 | |
Density /cm3 | 0.48 | 0.79 | 0.89 | 1.02 | |
Resistance pressure strength MPa | 1.0 | 1.5 | 2.0 | 2.5 | |
Cold crushing strength MPa | 0.9 | 1.0 | 1.5 | 1.8 | |
Linear change % | 1230℃*24h | 1400℃*24h | 1510℃*24h | 1620℃*24h | |
-0.1 | -0.2 | -0.4 | -0.7 | ||
Thermal conductivity W/M.K≤ | 400℃ | 0.13 | 0.25 | 0.30 | 0.37 |
600℃ | 0.15 | 0.27 | 0.32 | 0.39 | |
800℃ | 0.17 | 0.30 | 0.34 | 0.42 | |
1000℃ | 0.19 | 0.33 | 0.36 | 0.45 | |
1200℃ | ------- | 0.35 | 0.38 | 0.48 | |
Chemical components % | Al2O3 | 43.26 | 56.34 | 65.80 | 70.40 |
Fe2O3 | 1.10 | 0.80 | 0.73 | 0.62 |
Typical Application:
Lining of high-temperature kilns of industrial ceramics, industrial furnaces
Annealing furnaces, Galvanizing furnaces
Heat-treating furnaces, Air-heating furnaces
Naphtha cracking furnaces,
Ceramic shuttle kilns; Roller Kiln,
Metal heat treatment furnaces;
Steel billet reheating furnaces
Oil refinery heaters, Laboratory furnaces,
Reducing atmosphere furnace,
Gas producers
Furnaces backup insulation or heat face insulation
Packaging & Delivery
Packaging Detail: wooden pallets with plastic film. Each 20ft container as customer requirement
Delivery Detail: within 15 to 20days