Spectrum Group, in cooperation with its partners, is producing aluminum oxide in different degrees of purity: standard quality which covers the majority of all possible applications and very high purity for special applications.
Spectrum Group, in cooperation with its partners, is producing 3 mole-% yttrium stabilized ZrO2. Amongst the typical materials of high performance ceramics ZrO2 possesses the highest density with 6.05 g/cm3. It is available in different colors: crème, white, black, red, blue and green. The organics content of the filament amounts to ca. 14 mass-%.