Magnesia alumina spinel brick

Low thermal conductivity magnesia alumina spinel brick is a kind of basic refractories product specially used in the transition zone of large dry process cement kiln. It has the characteristics of high strength, excellent corrosion resistance and thermal shock resistance, no chromium pollution.

Physicochemical parameters:

Magnesium Oxide (MgO) ≥80%

Alumina (Al2O3) 9

Silica (SiO2) ≤1.5

Apparent porosity ≤17%

Bulk density ≥2.95 g/cm3

R.U.L ≥1700℃