Direct-Bonded Magnesia-Chrome Bricks and Semi direct -bonded Magnesia-Chrome bricks Direct are composed of high-purity or secondary-purity or fused magnesia and chrome concentrate. Glass phase concentrate in the triangle zone of the crystalline phases. Which are directly bonded to each other. The produces are characterized by low-porosity. high cold crushing strength. Strong resistance to abrasion, corrosion, thermal shock and spilling.
