Mullite refractory castable

Composition: Al2O3 65%-70% Refractoriness: 17500℃

Product Overview


Type Mullite
Material Mullite refractory castable Mullite high strength
refractory castable
Max working temp.(℃) 1600 1650
Bulk density after drying at 110℃, g/cm3 2.5 2.75
Chemical analysis, % Al2O3≥ 65 70
SiO2≤ 25 20
Cold bending strength (Mpa) 110℃*24H 10 10
1100℃*3H 11 12
1500℃*3H 12
Cold crushing strength
110℃*24H 80 100
1100℃*3H 100 100
1500℃*3H 100
Linear change after heating, % 1100℃*3H -0.4~+0.4 -0.4~+0.4
1500℃*3H -0.5~+0.5
Water Addition 5-7% 5-6%
Construction method Vibration Vibration
Application cement kiln door, kilnhood, cooler and other high temp zones, and other industrial furnace linings


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