High alumina refractory castable

Product Overview

Specification

Type High alumina
Material High alumina
refractory castable
High alumina high strength
refractory castable
High alumina high strength
low cement refractory castable
Max working temp.(℃) 1400 1500 1600
Bulk density after drying at 110℃, g/cm3 2.5 2.6 2.65
Chemical analysis, % Al2O3≥ 65 75 78
SiO2≤ 25 20 15
Cold bending strength (Mpa) 110℃*24H 8 8 10
1100℃*3H 8 8 10
1500℃*3H / /
Cold crushing strength
(Mpa)
110℃*24H 70 80 100
1100℃*3H 70 80 100
1500℃*3H / / /
Linear change after heating, % 1100℃*3H ±0.40 ±0.30 ±0.30
1500℃*3H / / /
Water Addition 5.5-7% 6-7% 6-7%
Construction method Vibration Vibration Vibration
Application cement kiln cooler rear part, other industrial kiln linings cement kiln door, kilnhood, cooler and other high temp zones, and other industrial furnace linings

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