Machine parts being engineered ceramic products, namely blades, propellers, intake and exhaust air vanes for turbochargers and turbines; grinding balls for mills; ceramic-coated machine shafts for machines mainly based on silicon carbide; machine parts based on silicon carbide; connecting parts for machines predominantly made of metal for connecting metal parts with ceramic parts, namely gaskets and joint parts for connecting sliding strips, plates and guides.;
Ceramic building materials; semi-finished ceramics made from oxide ceramic materials, in particular of aluminum oxide, zirconium oxide, beryllium oxide, magnesium oxide, magnesium/aluminum oxide and silicon oxide, aluminum titanate, aluminum silicate, mullite, sillimanite, silicon carbide, in particular based on silicon carbide (also reaction-bonded and silicon-filtered); all the aforesaid goods also impregnated, reinforced and/or with protective coatings (wholly or partly), in particular containing silicon carbide and/or boron carbide and as far as included in Class 19; connecting parts (construction materials, provided that they are included in Class 19) predominantly of ceramic, mainly for connecting metal parts with ceramic parts made of silicon oxide, aluminum titanate, aluminum silicate aluminum titanate, aluminum silicate, mullite, sillimanite, silicon carbide, mainly based on silicon carbide; connecting pieces (ceramic building materials, predominantly ceramic, mainly for connecting predominantly ceramic, mainly for connecting metal parts with ceramic parts.;