It’s all in the mix.
Corresponding to the chemical and mineral combination, technical ceramics are divided into the following groups:
- Silicate ceramics
- Oxide ceramics
- Ceramics without oxides
Doebrich & Heckel use for their products mainly
- Steatite (DIN C221 / C230)
- Cordierite (DIN C410 / C520)
- Aluminium Oxide (DIN C799)
- Magnesium Oxide (DIN C820)
- Zirkonia (TZP / PSZ)
The terms refer to DIN EN 60672-3.
For a summarized table of the characteristics of the single materials check out here.