High Alumina Runner Refractory Brick with andalusite

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.