Me yasa takardar shaidar ffp2 ke da wahalar samun |KENJOY

Baya ga manyan kuɗaɗen gwaji, wuraren gwaji a Turai, dogon lokacin aiwatarwa da sauran dalilai, ƙaƙƙarfan ƙa'idodin gwaji sun hana masana'antun abin rufe fuska da yawa.Mai zuwaBayani na FFP2 Gwajin ingancin tacewa da gwajin juriya na numfashi azaman misalai don kwatanta babban ma'aunin gwaji.

Ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun kayan aikin kariyar FFP2

Dukkanin abin rufe fuska na Turai da na Amurka an keɓance su don gwada su ta Amurka TSI-8130Automated Filter Testers kayan aikin.Ma'auni na Amurka N yana amfani da hanyar NaCl, ajin R yana amfani da hanyar DOP, ma'aunin Turai yana amfani da hanyar DOP.Gwajin Turai na amfani da man DOP don samar da ƙura.Diamita na barbashin mai DOP shine 0.33 μm, matsakaicin matsakaicin diamita shine 0.20 μm, kuma ana buƙatar ingantaccen tacewa don zama ƙasa da 94%.A gefe guda, tasirin tacewa yana da alaƙa da girman barbashi, bugu da ƙari, yana shafar ko ƙwayoyin suna ɗauke da mai ko a'a.

Bugu da ƙari, ƙa'idodin gwajin numfashi na EU na masu numfashi na FFP2 suma suna da ƙarfi sosai.Gwajin juriya mai ban sha'awa yana amfani da ƙimar gudu na 95L / min kuma gwajin juriya na ƙare yana amfani da ƙimar kwararar 160L / min.Irin wannan ƙwaƙƙwaran tacewa da ƙimar juriya na numfashi suna sa masana'antun da yawa ja baya kai tsaye.

Sabbin manyan kayan nano-nano

Matsakaicin madaidaitan gwaji na ingancin tacewa da juriya na numfashi suna sanya masakun FFP2 suna da manyan buƙatu don kayan tacewa.DEKRA ta gwada ingancin tacewa don wuce 96%.Yana kare lafiyar mutane ta hanyar tacewa tare da toshe shigar da abubuwa masu cutarwa kamar su barbashi na kura, bakteriya, Virus da mai a cikin iska.A surface ilimin halittar jiki na sabon Nano-material ne gizo-gizo-web-kamar microporous tsarin, wanda shi ne m da kuma na roba microporous abu da high porosity, uniform pore size rarraba, iska permeability da ruwa permeability.A lokaci guda kuma, yana da aikin numfashi don tabbatar da jin daɗin sawa.Kayan abu shine kayan aiki mai mahimmanci tare da tsayayyar zafin jiki, juriya na lalata, babban ƙarfi da ƙarfi, da kuma kyakkyawan yanayin halitta.Fiber da girman pore na nano-material suna cikin matakin nanometer, kuma suna iya toshe ƙwayoyin cuta, ƙwayoyin cuta da ƙura kai tsaye ta hanyar shingen jiki.

Wannan shine dalilin da ya sa takardar shaidar ffp2 ke da wahalar samu.Idan kuna son ƙarin sani game da abin rufe fuska na ffp2, da fatan za a iya tuntuɓar mu.