2020-05-09
Da farko, waɗannan su ne ma'auni na abin rufe fuska, ba alamar wani abin rufe fuska ba, ba samfurin wani abin rufe fuska ba, ba aikin wani abin rufe fuska ba, amma ma'auni na abin rufe fuska, wanda shine ma'auni!
| Takaddun shaida / Class (Standard) | N95 (NIOSH-42CFR84) | FFP2 (EN 149-2001) | KN95 (GB2626-20 06) | P2 (AS/NZ1716:2012) | Koriya 1stDarasi (KMOEL - 2017-64) | DS (Japan JMHLW-Sanarwa 214, 2018) |
| Ayyukan tacewa - (dole ne ya zama ≥ X% inganci) | ≥ 95% | ≥ 94% | ≥ 95% | ≥ 94% | ≥ 94% | ≥ 95% |
| Wakilin gwaji | NaCl | NaCl da man paraffin | NaCl | NaCl | NaCl da man paraffin | NaCl |
| Yawan kwarara | 85 l/min | 95 l/min | 85 l/min | 95 l/min | 95 l/min | 85 l/min |
| Jimlar zubewar ciki (TIL)* - an gwada shi akan abubuwan ɗan adam kowane motsa jiki | N/A | ≤ 8% leakage (ma'anar lissafi) | ≤ 8% leakage (ma'anar lissafi) | ≤ 8% yabo (ma'anar mutum ɗaya da ƙididdiga) | ≤ 8% leakage (ma'anar lissafi) | An auna Leaka na Ciki kuma an haɗa shi cikin Umarnin Mai amfani |
| Juriya na inhalation - matsakaicin matsa lamba | ≤ 343 Pa | ≤ 70 Pa (a 30 L/min)≤ 240 Pa (a 95 L/min)≤ 500 Pa (clogging) | ≤ 350 Pa | ≤ 70 Pa (a 30 L/min)≤ 240 Pa (a 95 L/min) | ≤ 70 Pa (a 30 L/min)≤ 240 Pa (a 95 L/min) | ≤ 70 Pa (w/valve)≤ 50 Pa (babu bawul) |
| Yawan kwarara | 85 l/min | Daban-daban - duba sama | 85 l/min | Daban-daban - duba sama | Daban-daban - duba sama | 40 l/min |
| Juriya na fitar da numfashi - matsakaicin matsa lamba | ≤ 245 Pa | ≤ 300 Pa | ≤ 250 Pa | ≤ 120 Pa | ≤ 300 Pa | ≤ 70 Pa (w/valve)≤ 50 Pa (babu bawul) |
| Yawan kwarara | 85 l/min | 160 l/min | 85 l/min | 85 l/min | 160 l/min | 40 l/min |
| Bukatar zubar da bawul ɗin numfashi | Yawan zubewa ≤ 30 ml/min | N/A | Depressurizatio n zuwa 0 Pa ≥ 20 sec | Yawan zubewa ≤ 30 ml/min | duban gani bayan 300 L/min na 30 sec | Depressurizatio n zuwa 0 Pa ≥ 15 sec |
| An yi amfani da karfi | -245 Pa | N/A | -1180 Pa | -250 Pa | N/A | -1,470 Pa |
| Bukatar izinin CO2 | N/A | ≤ 1% | ≤ 1% | ≤ 1% | ≤ 1% | ≤ 1% |
Ma'anoni
Tace aikin- Ana ƙididdige tacewa don auna raguwa a cikin ƙididdiga na musamman aerosols a cikin iska wanda ke wucewa ta wurin tacewa.
Wakilin gwaji- aerosol da aka samar yayin gwajin aikin tacewa.
Jimlar zubewar ciki (TIL)- adadin wani takamaiman iska mai iska wanda ke shiga cikin fuskar da aka gwada ta hanyar tacewa da kuma zubewar fuska, yayin da mai sanye yake yin jerin motsa jiki a cikin dakin gwaji.
Zubar da ciki (IL)- adadin takamaiman iska mai iska wanda ke shiga cikin fuskar da aka gwada na numfashi, yayin da mai sanye ya yi numfashi na yau da kullun na mintuna 3 a cikin dakin gwaji.Girman aerosol na gwajin (ƙidaya diamita na tsakiya) kusan mitoci 0.5 ne.
Saukar da matsi- ana juyar da iska mai juriya yayin da yake motsawa ta hanyar matsakaici, kamar tacewa na numfashi.
Dangane da tebur na sama, yana da kyau a yi la'akari da China KN95, AS/NZ P2, Koriya ta 1st Class, da Japan DS FFRs a matsayin "daidai" da US NIOSH N95 da Turai FFP2 respirators, don tace abubuwan da ba na tushen mai ba kamar waɗanda suka haifar. daga gobarar daji, PM 2.5 gurbacewar iska, fashewar volcanic, ko bioaerosols (misali ƙwayoyin cuta).Koyaya, kafin zaɓin na'urar numfashi, masu amfani yakamata su tuntuɓi ka'idojin kariya na numfashi na gida da buƙatun su ko duba tare da hukumomin lafiyar jama'a na yankin don jagorar zaɓi.
Dongguan Slocable Photovoltaic Technology Co.,LTD.
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