Product Features:
Product Description:
Low cement castable is mainly used with the main material chemical composition of the same or similar ultramicro powder to replace most or all of the cement, refined, scientific use of optimization particle size, micro powder, particle shape and other factors, at the same time with the addition of micro dispersant (water reducer) and appropriate amount of retarder compound admixtures.Application:
Low cement castable is mainly used in the wall, top, bottom, aluminum water bag, chute, melting equipment, lining of high temperature furnace, heating furnace, soaking furnace and other heat treatment furnace.Low cement castable | ||||
Item | FHA-1 | FHA-2 | FHA-3 | |
Max. temperature/℃ | 1750 | 1790 | 1790 | |
Component | Al2O3, % | 45 | 65 | 75 |
CaO , % | 2.5 | 2 | 1.5 | |
Rupture strength, MPa | 110℃*24h | 5 | 6 | 8 |
1350℃*24h | 10 | 10 | 12 | |
Cold crushing strength, MPa | 110℃*24h | 25 | 30 | 40 |
1350℃*24h | 50 | 60 | 70 | |
Linear rate of change, % | 1350℃*24h | 0.56 | 0.5 | 0.5 |
Bulk density g/m3 | 2.2 | 2.4 | 2.6 |
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