Alumina Bubble Insulating Brick

Alumina Bubble Insulating Brick

Alumina Bubble Fire Bricks are composed of Alumina bubble as the primary material, high performance ultrafine powder as an additive and organic matter as a binder; after molding and drying they are fired in a 1750 high temperature shuttle kiln.

Description

Alumina Bubble Fire Bricks are composed of Alumina bubble as the primary material, high performance ultrafine powder as an additive and organic matter as a binder; after molding and drying they are fired in a 1750 high temperature shuttle kiln.

Alumina Bubble products feature impressive properties such as lightweight construction, high temperature resistance, minor changes to firing line orientation and good thermal shock resistance – not to mention lower construction costs and greater energy conservation.

PropertiesGKQ-90GKQ-99
Al₂O₃ (%)88-92≥98.5
Fe₂O3(%)≤0.05≤0.03
Bulk Density (g/cm3)1.4-1.71.6-1.8
Normal temperature compressive strength ( M p a )212212
Refractoriness under load( ℃ )2170021700
On Reheating Linear change ( % )±0.2±0.2
Max service temperature( ℃ )17501750
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