Alumina bubble castable
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Description：
Alumina bubble castables have aggregate of alumina bubbles ,mixed with alumina superfine powder and alumina cement. This castable’s bulk density is directly proportional to working temperature, and inversely proportional to thermal conductivity. Contents of alumina determine working temperatures so as to meet the different heat-proof linings’ demands.
Features：
● High working temperature
● Small thermal conductivity
● High compressive strength
● Convenient for construction
Application：
Heat preservation and insulation layers of the lining structure of heating furnaces, reforming furnaces, gasification furnaces, regular pressure-reducing furnaces, gas generator and incinerators.
Main physical and chemical properties:
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page up：Super lightweight castable