Single-layer high temperature coating on a ceramic substrate and its production

摘要

The single-layer high temperature coating according to the invention, which is applied in particular on a porous substrate, comprises a high silica glaze gel frit, alumina and an emissivity agent consisting of MoSi2 or Cr2O3, and has the following composition by weight: gel frit: 45 to 55%; MoSi2 or Cr2O3: 25 to 50%; Al2O3: 5 to 20%.