Izingxenye ze-ceramic ekamelweni lokushisa ziyi-insulator, ngenxa ye-resistive ephezulu ngakho-ke ingasetshenziswa emishini yokushisa, enephuzu eliphezulu lokuncibilika, izici zamaphuzu aphezulu abilayo, yenza izinto zensimbi ekushiseni okuphezulu kwe-oxidation elula, ukugqwala okulula kobuthakathaka.Futhi ngenxa yokuthi impahla yomkhiqizo ayinawo uzibuthe, ayimumbi uthuli, akulula ukuwa.