Cement Sector: Used in kilns and preheaters where by high temperatures and chemical corrosion are widespread. High alumina brick refractories may have two bond devices, ceramic, and phosphate. Phosphate brick is quickly recognized by a phosphorus pentoxide (P2O5) material on their own facts sheet of between about 3% and 6%. https://concrete-release-agent52062.ambien-blog.com/46391188/5-essential-elements-for-crucible-alumina