I-brown corundum abrasive, ikakhulukazi eyakhiwe i-Al2O3, inobulukhuni obumaphakathi, ukuqina okukhulu, izinhlayiya ezibukhali, intengo ephansi, futhi ifanele ukucubungula izinsimbi ezinamandla aphezulu aqinile.I-Microcrystalline corundum abrasive kanye ne-black corundum abrasive yizinto eziphuma kuzo.
Isikhathi sokuthumela: Mar-01-2023