Abrazivho

ABRAZIVHO (fransavi abrasif – suftakunanda, sayqaldihanda, lotini abradere – taroshidan, zududan), mavodi nihoyat sakht, ki baroi korkardi sathi masolehi gunogun istifoda meshavand. Abraziv dar tekhnika dar ravandhoi suftakuni, sayqaldihi, burishi masoleh va gayra istifoda mebarand.

Abraziv az rui sakhti, sokhti khimiyavi va andozai zarrachahoi suftakunanda tabii (almos, aqiqi surkh, kvars, ko­rund, bur, pemza, shpati sahroi va gayra) va suni (dajgoli minerali, rezamaydai pulod, almosi suni, karbidi bor, karbidi silitsiy, nitridi silitsiy, nitridi alyuminiy, oksidi khrom va gayra) meshavand.

Abrazivro dar sokhtmon az jumla hamvor kardani devor ba zaboni russi “Najdachnaya bumaga” meguyand.

M. Kholov.