Ndingashandisa mask yeffp2 kwenguva yakareba sei | JINHAOCHENG

Chiyero chemasiki chemuEurope ndecheFFP. Chii chinonzi giredhi reMasiki yeFFP2?Zvichagara kwenguva yakareba sei? Zvino, ngatizivei zvakawanda nezvazvo.

Ndingashandisa mask yeffp2 kwenguva yakareba sei?

Mask yeFfp2, imwe yeEuropean mask standard EN 149:2001, inoraswa (inowanzo tora maawa maviri kusvika mana), kushanda zvakanaka kwekusefa kunopfuura 94% uye kunogona kuvhara maaerosols ane njodzi pasina kufema.

Muyero weFFP2 wakavakirwa panheyo yekunamatira kwemagetsi kuburikidza neBai. Inogona kusefa guruva nematura ane mafuta zviri mumhepo yeTHE ZHI. Kushanda zvakanaka kwekusefa kuri pamusoro pe94%. Chidimbu chemhino chinogona kukotama kuti chive nechokwadi chekuti chinonyatsoenderana pakati pemasiki nechiso uye kufema zvakanaka; Nevharuvhu yemhedzisiro yekunyudzwa kwese, mhedzisiro yekudzivirira ichave iri nani pane kusava nevharuvhu, kazhinji hapana vharuvhu inopa firita muinenge 90%, nevharuvhu inopfuura 65%.

Zvinonzwisisika kuti huwandu hwemasiki hwakakwira kupfuura FFP1 (mhedzisiro yekusefa shoma > 80%), asi hwakaderera pane FFP3 (mhedzisiro yekusefa shoma > 97%).

Masiki akajairika eFFP2 anogona kuraswa

Masiki eFFP2, imwe yemasiki eEuropean standard EN149:2001, anosveta maaerosols ane njodzi, anosanganisira guruva, utsi, madonhwe emhute, magasi ane chepfu uye utsi kuburikidza nechinhu chefirita, uye anoadzivirira kuti asafemerwe nevanhu.FFP2 minimum filtering effect & GT;94%. Tinowanzoona masks eFFP2 anoraswa. Aya anoraswa. Kunewo hafu yemamasiki uye full hoods, ese anogona kushandiswa kakawanda nekuchinja filter element.

Chii chinoitika kana mask yeFFP2 yabviswa

Chikamu chekunze chemamasiki emhando yeFFP2 chinowanzo zadzwa nevhu nemabhakitiriya mumhepo yekunze, nepo chikamu chemukati chichivhara mabhakitiriya nemate anoburitsa mweya. Nokudaro, mativi maviri haafanirwe kushandiswa achichinjana, zvikasadaro chikamu chekunze chine utachiona chinofemerwa mumuviri wemunhu kana chanamatira zvakananga kumeso uye chichava chikonzero chehutachiona. Kana usina kupfeka mask, peta muhamvuropu yakachena uye peta chiso pedyo nemhino nemuromo wako. Usachiise muhomwe yako kana kuisungirira pamutsipa wako.

Masiki eFFP2 akafanana nemasiki eN95 neKN95 uye haagoni kucheneswa. Nekuti kunyorovesa kunokonzera kuburitswa kwemagetsi asingachinjiki emasiki, haakwanise kunwisa guruva rine dhayamita iri pasi pe5um. Kuchenesa hutachiona hwemhepo inopisa zvakanyanya kwakafanana nekuchenesa nekuti kunoburitsawo magetsi asingachinjiki, zvichiita kuti masiki asashande.

Kana uine marambi e-ultraviolet kumba, unogona kufunga nezvekushandisa marambi e-ultraviolet kuchenesa pamusoro pemasiki, kuitira kudzivirira kusangana netsaona nepamusoro pemasiki uye kusvibiswa kwayo. Kupisa kwakanyanya kunogonawo kuchenesa, asi mask inowanzogadzirwa nezvinhu zvakafanana. Kupisa kwakanyanya kunogona kukonzera kuti mask itsvuke uye kukonzera njodzi dzekuchengetedza. Hazvikurudzirwi kushandisa ovheni kana zvimwe zvinhu zvekuchenesa pakupisa kwakanyanya.