Particle kusefa hafu mask (6002-2 FFP2)
Kuumbwa kwezvinhu
Sefa system yakagadzirwa uye yakaturikidzwa nepamusoro 50g isiri-yakarukwa, yechipiri layer ne45g inopisa mweya donje, yechitatu layer neFFP2 filtration material, yemukati layer ne50g isina kurukwa.
6002-2 EN149 FFP2 yakaedzwa pasi pe EN 149: 2001+ A: 2009 Midziyo yekudzivirira yekufema-Kusefa hafu yemasiki kudzivirira kubva kune zvimedu.
Kuenderana neganda
Zvishandiso zvinogona kusangana neganda remupfeki hazvizivikanwi kuti zvinogona kukonzera kushatirwa kana zvimwe zvinokanganisa hutano.(Passed)
Kupisa moto
Kana yakayedzwa, iyo chidimbu inosefa hafu yemasiki haichapisa kana kusaramba ichipisa kweanopfuura masekondi mashanu mushure mekubviswa kubva mumurazvo.(Passed)
Carbon dioxide zviri mukati memhepo inofema
Iyo carbon dioxide yemukati yemhepo inofema (nzvimbo yakafa) haifanire kudarika avhareji ye1.0% (vhoriyamu).(Passed).
Munda wekuona
Munda wekuona unogamuchirika kana ukatemwa zvakadaro mubvunzo dzekuita.(Passed)
Kuramba kufema
| Classification | Kunyanya kubvumidzwa kuramba (mbar) | ||
| Inhalation | Kufema mweya | ||
| 30 L/min | 95 L/min | 160 L/min | |
| FFP1 | 0.6 | 2.1 | 3.0 |
| FFP2 | 0.7 | 2.4 | 3.0 |
| FFP3 | 1.0 | 3.0 | 3.90 |
(Passed) Packaging Ruzivo runotevera rucharatidzwa zvakajeka uye nekusingaperi pakapeji diki diki inowanikwa mune zvekutengesa kana kuverengeka kuburikidza nayo kana kurongedza kuri pachena.1.Zita, mucherechedzo kana imwe nzira yekuzivisa mugadziri kana mutengesi 2.Type-identifying marking 3.Classification Kirasi yakakodzera (FFP1, FFP2 kana FFP3) inoteverwa nenzvimbo imwe chete uye'NR' kana chidimbu chichisefa hafu. mask inogumira kune imwechete shift kushandiswa chete.Muenzaniso: FFP2 NR.4.Nhamba uye gore rekuburitswa kweEuropean Standard 5.At least gore rekupera kwesherufu life.6.Mugadziri anokurudzirwa mamiriro ekuchengetedza (kunyanya tembiricha uye humidity)
Particle kusefa hafu yemasiki yakaratidza kuti inopa dziviriro iri nani kubva kumadonhwe, aerosols uye kupinza kwemvura uye inoumba chisimbiso chakasimba chakatenderedza muromo nemhino.
Masks ekurapa / ekuvhiya anopa chipingamupinyi chiriporipo pakati penhengo dzekufema uye nharaunda yakatenderedza.Kushanda kwemaski kumeso kana yekufemerera kunotarwa nezvinhu zviviri zvakakosha, iko kusefa uye kukwana (facepiece leakage).Kushanda kwefiltration inoyera kuti masiki inosefa sei zvimedu mune imwe saizi renji, iyo inosanganisira mavhairasi uye mamwe ma submicron masisitimu, nepo kukwana kunoyera kuti mask kana mweya wekufema unodzivirira sei kuvuza kwakatenderedza kumeso.Zvichienderana neChikafu neDrugs Administration (FDA) zviyero uye kusefa kwakanaka, masks ekurapa anogona kuiswa mumapoka akasiyana.Aya akakamurwa kuita ASTM nhanho 1, 2 uye 3 zvichibva pane yemvura kuramba kushanda.Level 3 inopa yakanyanya kunaka kusefa kwebhakitiriya nekupikisa kwakanyanya kupinda mukati memvura yemuviri.MuEurope, masks ekurapa anoenderana nezvinodiwa zveEuropean Standard EN 14683:2019.
Nekudaro, masks ekuvhiya haanyanyi kushanda kana achienzaniswa neanofema.Mafemero anosanganisira zvidziviriro zvinobata zvakasimba kana zvinonatsa mweya zvinogona kudzivirira tunhu tudiki diki (<5 μm) kuti tisapfuure nepaburi rekufema remunhu.Izvi zvinowanikwa kuburikidza nekubvisa zvinosvibisa kana nekupa yakazvimirira tsime remweya wekufema.Vanotumidzwa zvakasiyana munyika dzakasiyana.MuUSA, National Institute for Occupational Safety and Health (NIOSH), inosarudza kusefa zvakanaka kwezvifemuro izvi uye zvinoiswa muN-, R-, uye P-series yekusamira nemafuta, isingaite mafuta uye inopikisa zvakasimba. , zvichiteerana.Imwe neimwe yematatu akatevedzana ane matatu akasiyana kusefa efficiency pa95, 99 uye 99.97%, zvinoti N95, R95, P95, etc. hafu masiki, powered air-purifying respirator (PAPR) uye SAR (atmosphere-supplying respirator).Zvinoenderana nezviyero zveEuropean, FFPs inokamurwazve kuita FFP1, FFP2 uye FFP3, iine kugona kwe80%, 94% uye 99%, zvichiteerana (EN 149: 2001).
