Alumina ceramics
1. Gukomera cyane
Gukomera kwa Rockwell ni HRA80-90, ubukana buri munsi ya diyama, birenze kure kwihanganira kwambara ibyuma bidashobora kwangirika ndetse nicyuma.
2. Kurwanya kwambara neza
Upimye n'ibigo by'ubushakashatsi bw'umwuga, kwihanganira kwambara bihwanye ninshuro 266 z'ibyuma bya manganese.Gaoming cast Iron inshuro 171.5, dukurikije imyaka irenga icumi dukurikirana ubushakashatsi bwabakiriya, mubihe bimwe byakazi, birashobora kongera igihe cyibikorwa byibikoresho byibuze inshuro icumi.
3. Uburemere bworoshye
Ubucucike bwa 3.5g / cm3 ni kimwe cya kabiri cyicyuma, gishobora kugabanya cyane imitwaro yibikoresho.