Black corundum, inozivikanwawo seyakaderera alumina corundum, iri muarc furnace, iyo bauxite inonyunguduka uye yakagadzirwa nemhando ye-α-Al2O3 uye iron spinel sechikamu chikuru cheminerari yegrey black crystal, iyo inoratidzirwa nekushomeka kweAl2O3, uye imwe huwandu hweFe2O3 (10% kana zvakadaro), kusimba, kusimba kwepamusoro, tembiricha yemhando yepamusoro, hunyanzvi hwekuita tembiricha. Inonyanya kushandiswa kukuya mahara, senge rough kugaya pamberi pezvigadzirwa zve electroplating, zvinonyanya kushandiswa simbi isina tsvina, zvigadzirwa zvesimbi, optical girazi, bamboo uye zvigadzirwa zvehuni kukwenenzverwa uye sandblasting, zvakare kugadzirwa kweresin kugaya vhiri, kucheka zvidimbu, emery jira novel abrasive.
Nguva yekutumira: Kubvumbi-11-2023