High Alumina Runner Refractory Brick with andalusite

Runner brick for steel factoryare made from bauxite of super quality, bonding chamotte and additives. The advantages of these products are high refractoriness, anti alkaline/acid erosions, good strength under high temperature and good thermal shock resistance.They were widely accepted in thermal equipment of metallurgy,petroleum, chemical industry, construction materials, machinery and militaries etc.

Chemical Index:

Al2O3: ≥40 % (Measured:43.51%)

Fe2O3: ≤1.5 %

Physical Index:

Bulk Density:2.1g/cm3

Apparent Porosity:≤24 %

Cold Crushing Strength:≥20MPA

Main raw materials:

Flint Clay, andalusite, etc

With andalusite in, the brick will has good heat resistance to prevent cracking.