Sandpaper yog ib qho cuab yeej siv rau kev xuab zeb, polishing, los yog tu cov khoom nto. Nws feem ntau yog ua los ntawm cov khoom abrasive (xws li alumina, silicon carbide, thiab lwm yam) adhered rau ib daim ntawv, ntaub, los yog fiber ntau substrate. Nws cov kev siv tseem ceeb suav nrog:
Kev Npaj Nto: Sandpaper tuaj yeem siv los tshem tawm qhov tsis sib xws, burrs, lossis cov txheej qub los ntawm cov khoom siv, ua rau lawv smoother. Piv txwv li, hauv woodworking, sandpaper yog siv los xuab zeb ntoo kom nws haum rau painting los yog oiling.
Polishing: Los ntawm kev siv nplua -grit sandpaper, hlau, yas, lossis ntoo tuaj yeem polished los txhim kho qhov gloss.
Kev Tu: Cov ntawv xuab zeb tuaj yeem siv los tshem tawm xeb, av, lossis oxide txheej, tshwj xeeb tshaj yog hauv kev ua haujlwm hlau.
Kev Kho: Hauv kev kho tsheb lossis kho rooj tog, cov ntawv xuab zeb yog siv los kho qhov chaw khawb lossis puas.
