On account of its high Al₂O�?content and minimal impurity degrees, it outperforms fireclay bricks Within this factor High alumina brick refractories might have two bond methods, ceramic, and phosphate. Phosphate brick is instantly identified by a phosphorus pentoxide (P2O5) content on their information sheet of amongst about three% and six%. https://louisttstr.wikiadvocate.com/121666/a_simple_key_for_ceramic_heat_bricks_unveiled