Integrated the best compositions and manufacturing know how of the former competitors: Norton, Carborundum, AnnaWerk and Savoie Refractaires, and developed a unique range of superior nitride bonded refractories.
The currently marketed materials are either silicon nitride, or silicon oxynitride, or SiAlON bonded.
The chemical formulas of the considered nitride bonds are:
Silicon nitride = Si3N4
Silicon oxynitride = Si2ON2
SiAlON = Si(6-x)AlxOxN(8-x), with x < 4.2