Abrasive White corundum abrasive, oo sidoo kale loo yaqaan aluminium oxide cad, wuxuu leeyahay xasillooni heerkuleed oo wanaagsan, iska caabin heerkul sarreeya oo ka sarreeya 1750 digrii, nadiif sare, is-afaynta wanaagsan, awoodda wax lagu shiido, qiimaha calorific hooseeya, waxtarka sare iyo iska caabbinta daxalka acid-saldhigga. Waxay isku caddeysay in badan...
Sii akhri