corundum-mullite refractory castable

Composition: Al2O3=70% Refractoriness: 1750℃

Product Overview


Type corundum mullite
Material corundum-mullite refractory castable
Max working temp.(℃) 1600
Bulk density after drying at 110℃, g/cm3 2.85
Chemical analysis, % Al2O3≥ 70
SiO2≤ SiC 6%
CaO 2.5%
Cold bending strength (Mpa) 110℃*24H 12
1400℃*3H 13
Cold crushing strength
110℃*24H 90
1400℃*3H 95
Linear change after heating, % 800℃*3H
1400℃*3H ±0.30
Water Addition As per supplier formula
Construction method Vibration
Application kiln spit/burner


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