Al-55 Alumina-cement Refractory Pouring Castable
Specifications
1.high-temperature resistant2.wear and fire resistant
3.long life
4.easy construction
Introduction of products
Alumina-cement refractory pouring castable is compound of high aluminum bauxite,corundum and carborundum and some addictvies agglutinated by aluminate cement,it is formed by pouring and libration.
Application
1.lining of high temperature part with coal ash flush and wearness
2.cyclone furnace
bustion zone of coal furnace
Character
1.excellent wear and fire resistant
2.esay construction
3.high-temperature resistant
Chemical and physics index
Item/index |
AL-55 |
AL-65 |
Bulk density(kg/m3) |
2200 |
2300 |
|
Drying pressure resistance(mpa) (110°C±5°C)x24h ≥ |
20 |
23 |
Remaining strength at 800°C ≥ |
40 |
50 |
|
Drying bending resistance(mpa) (110°C±5°C)x24h ≥ |
4 |
5 |
Heat and shock stability(times) |
15 |
15 |
Linear change after heating |
1300 |
1350 |
Wear resistance(cm3) |
-- |
-- |
Plasticity coefficient(%) |
-- |
-- |
Refractoriness(°C) |
1700 |
1730 |
Al2O3≥(%) |
55 |
65 |
RO.R2O <(%) |
4.5 |
4 |
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