Cement Field: Utilized in kilns and preheaters exactly where high temperatures and chemical corrosion are common. High alumina brick refractories may have two bond devices, ceramic, and phosphate. Phosphate brick is quickly recognized by a phosphorus pentoxide (P2O5) articles on their own facts sheet of between about 3% and 6%. https://arthurigdav.blogozz.com/38485610/fascination-about-high-alumina-bricks