Qib meaning of Ffp2 mask|KENJOY

Aerosols thiab cov khoom zoo yog ob qho kev pheej hmoo ntawm kev noj qab haus huv tshaj plaws hauv kev ua haujlwm, tab sis peb lub qhov muag feem ntau nyuaj rau kev kuaj xyuas.Tom ntej no, cia peb saib yuav ua li casffp2 uaua haujlwm.

Qhov tseem ceeb ntawm kev tiv thaiv ua pa

Cov khoom phom sij tuaj yeem ua rau mob qog noj ntshav lossis tuaj yeem yog cov xov tooj cua;lwm yam kev puas tsuaj rau lub pa system.Ntau xyoo ntawm kev sib cuag tuaj yeem ua rau muaj kev loj hlob ntawm cov kab mob loj.Qhov zoo tshaj plaws, txhua tus neeg ua haujlwm ntsib qhov tsis hnov ​​​​tsw tsw.Lub ntsej muag lim dej muab peb hom kev tiv thaiv tiv thaiv dej los ntawm oily aerosols, pa luam yeeb thiab cov khoom zoo thaum ua haujlwm.Nws txoj haujlwm tiv thaiv ua tau raws li European Union tus qauv EN 149. Cov qhov ncauj qhov ntswg, tseem hu ua particle lim ib nrab lub qhov ncauj qhov ntswg lossis cov qhov ncauj qhov ntswg zoo, raug faib ua FFP1, FFP2 thiab FFP3 qib kev tiv thaiv.

Lub npog ntsej muag Ffp2 ua haujlwm li cas?

Lub npog ntsej muag particle tuaj yeem tiv thaiv plua plav, pos huab thiab pa luam yeeb.Densely Woven Lim Ntaub Tiv Thaiv Kev Tso Cai Ntawm Cov Khoom Siv Muaj Zog, thiab cov tshuaj tsis zoo yog txuas rau lawv thiab yuav tsis muaj pa.Cov txheej txheem kev faib tawm muaj peb chav FFP, thiab cov ntawv luv FFP sawv cev rau "filter mask".Lub npog ntsej muag npog lub qhov ncauj thiab qhov ntswg thiab yog tsim los ntawm ntau yam ntaub ntawv lim thiab lub npog ntsej muag nws tus kheej.Lawv yuav tsum tau siv nyob rau hauv ib qho chaw ua hauj lwm uas tshaj qhov kev txwv ntawm kev ua hauj lwm (OEL).Qhov no yog qhov siab tshaj plaws ntawm cov plua plav, pa taws thiab / lossis aerosols peb ua pa hauv huab cua thiab tsis ua rau peb noj qab haus huv.Yog tias muaj kev ua txhaum cai, koj yuav tsum hnav lub npog ntsej muag roj.

Ffp2 qhov ncauj qhov ntswg tiv thaiv dab tsi?

Nyob ntawm tag nrho cov xau thiab pom cov khoom mus txog 0.6 μ m, FFP2 lub npog ntsej muag muab kev tiv thaiv ua pa rau cov pa phem ntawm txhua qhov ntau.Tag nrho cov xau yog raws li kev nkag mus ntawm cov lim dej thiab cov dej ntws tawm hauv qhov ncauj thiab qhov ntswg.Ua tsaug rau lub tshuab lim tshiab, kev ua pa ua pa tuaj yeem khaws cia rau qhov tsawg kawg nkaus, thiab cov khoom cuam tshuam hauv lub lim yuav tsis ua pa hnyav dua tom qab hnav ntau zaus.

FFP2 daim npog ntsej muag tiv thaiv yog tsim rau kev ua haujlwm ib puag ncig uas muaj teeb meem thiab mutagenic hais nyob rau hauv cov pa ua pa.Cov qhov ncauj qhov ntswg ua pa yuav tsum muaj tsawg kawg yog 94% ntawm qhov siab tshaj plaws 0.6 μ m particles thiab tuaj yeem siv rau hauv ib puag ncig uas ua txhaum OEL nrog qhov siab tshaj plaws ntawm 10 zaug.Ib yam yog qhov tseeb ntawm tus nqi TRK (kev siv cov ntsiab lus).Kev tiv thaiv qib FFP2 lub ntsej muag lub ntsej muag feem ntau hnav hauv cov hlau thiab kev lag luam mining.Cov neeg ua haujlwm hauv cov kev lag luam no feem ntau raug rau aerosols, pos huab thiab pa luam yeeb, uas tuaj yeem ua rau muaj kab mob ua pa, xws li mob ntsws cancer.Qhov tseem ceeb tshaj plaws, lawv muaj kev pheej hmoo loj ntawm cov kab mob thib ob thiab cov tuberculosis nquag.

Cov saum toj no yog kev taw qhia rau ffp2 qhov ncauj qhov ntswg.Yog tias koj xav paub ntau ntxiv txog ffp2 lub ntsej muag, thov hu rau peb.