Zaj dab neeg luv luv, play xuab zeb ua haujlwm rau sandblasting, tab sis feem ntau cov khoom lag luam muaj cov xuab zeb tuaj yeem ua phem rau koj txoj kev noj qab haus huv siv rau kev tawg, txawm tias koj hnav lub tshuab ua pa.
Koj siv cov xuab zeb zoo li cas rau sandblasting?
Cov xuab zeb uas siv ntau tshaj plaws yog dawb silica xuab zeb. Lwm cov ntaub ntawv, xws li iav hlaws, txhuas oxide, silicon carbide thiab txawm crushed walnut noob, kuj yog siv rau sandblasting daim ntaub ntawv.
Koj puas tuaj yeem siv cov xuab zeb ib txwm nyob rau hauv sandblaster?
No, abrasives uas muaj ntau tshaj 1% dawb silica yog txwv tsis pub. Yav dhau los, kev ua kom huv si tau ua tiav nrog silica xuab zeb. Lo lus sandblasting originates los ntawm cov hnub.
Vim li cas xuab zeb blasting yog txwv tsis pub tam sim no?
Qhov kev pheej hmoo ntawm silicosis yog qhov siab ntawm cov neeg ua haujlwm raug cuam tshuam rau kev tawg nrog silica, thiab qhov phom sij yog qhov nyuaj rau tswj. NIOSH tau pom zoo txij li xyoo 1974 tias silica xuab zeb (los yog lwm yam khoom uas muaj ntau tshaj 1% crystalline silica) raug txwv tsis pub ua cov khoom siv blasting [NIOSH 1974b, NIOSH 1990a].
Puas sanding tib yam li xuab zeb blasting?
Kev xuab zeb yog siv cov ntawv xuab zeb los txhuam cov xim tsheb qub. Ntawm qhov tod tes, sandblasting suav nrog blasting abrasives xws li xuab zeb, iav thiab yas hlaws ntawm kev kub ceev kom tshem tawm cov xim ntawm lub tsheb.
