Advantage: The light weight aluminum brick has great high temperature resistance, high porosity and excellent insulation performance, so it can be used in thermal insulation layer of the industry furnace to light the furnace body weight, reduce thermal expansion and keep temperature inside the furnace even.

Chemical and physical index: Brand HD-QL

Al2O3	>48%
Fe2O3	<2%
Linear change ratio after firing (1350℃x2h)	<2%
Bulk density (g/cm3)	<1.0
Compressive strength at RT (Mpa)	>4
Thermal conductivity (w/m.k) at 350℃	<0.5
Refractoriness ℃	1580
Refractoriness under load (1kg/cm2)	>1300℃

Remarks : the work temperature of light weight aluminum brick can’t exceed the experiment temperature of linear change after firing. Wear-resisting Brick for recirculation fluidized bed boiler