Rabin abin rufe fuska tace barbashi (8228V-2 FFP2)
Abun abun ciki
Layer Layer shine 45g masana'anta mara saƙa.Layer na biyu shine kayan tacewa 45g FFP2.Layer na ciki shine 220g acupuncture auduga.
Menene amfanin abin rufe fuska tare da bawuloli na numfashi?
Bawul ɗin numfashi na abin rufe fuska ya dace da yanayin yanayi mai zafi.Zai fi yin numfashi yayin fitar numfashi, kuma bawul ɗin numfashi na numfashi zai rufe ta atomatik, wanda ba zai shafi tasirin amfani da komai ba.
Idan aka kwatanta da abin rufe fuska na yau da kullun, abin rufe fuska tare da bawul ɗin numfashi sun fi dacewa da yanayin amfani mai tsauri kuma sun fi dacewa da numfashin mutane.A cikin yanayin aiki mai laushi da zafi tare da rashin samun iska ko yawan aiki, yin amfani da abin rufe fuska tare da bawul ɗin numfashi na iya taimaka maka jin daɗi yayin fitar da numfashi.
Ka'idar aiki na bawul ɗin numfashi shine cewa ingantacciyar matsi na iskar gas ɗin da aka fitar yana busa farantin bawul ɗin buɗe lokacin fitar da iskar gas, don kawar da iskar gas da sauri a cikin jiki da rage jin daɗi da zafi yayin amfani da abin rufe fuska.Matsi mara kyau lokacin shakar zai rufe bawul ɗin ta atomatik don gujewa shakar gurɓataccen yanayi daga yanayin waje.
Mashin fuska tare da acupuncture auduga
Acupuncture auduga kuma ana kiranta naushin allura da ke samar da auduga a cikin masana'antar rufe fuska da ƙura.Auduga mai naushi don abin rufe fuska wani nau'in abin rufe fuska ne wanda aka yi ta hanyar buƙatu.Ana kuma kiransa abin rufe fuska mai ƙura bayan an haɗa shi da sarrafa abin rufe fuska.Allura da aka naushi auduga don abin rufe fuska wani nau'in kayan tacewa ne, wanda aka yi da fiber polyester ta hanyar bugun allura.A yayin wucewa ta cikin wannan kayan tacewa, ƙurar numfashi za ta toshe tsakanin zaruruwa, wanda ke taka rawa wajen hana ƙura.
Allura punched auduga masks sun dace da ma'adinai, yi, kafa, nika da kuma Pharmaceutical masana'antu, noma da noma, gandun daji da kiwo, jirgin karkashin kasa injiniya aiki, aluminum aiki, lantarki da lantarki kayan, kayan aiki da kayan aiki masana'antu, sarrafa abinci masana'antu, siminti shuka, yadi shuka, kayan aiki da hardware shuka, sheet karfe nika, polishing, yankan, disassembly injiniya, murkushe aiki.Suna iya hana karafa da ba ta da taki yadda ya kamata, karafa masu nauyi da sauran gurbatattun abubuwa masu cutarwa, da toshe fiber gilashin Asbestos da sauran abubuwa masu cutarwa.
Bambancin matsi shine ɗayan hanyoyin gwaji don kimanta abin rufe fuska.
Hanyar gwaji - Bambancin matsin lamba
Bambancin matsi, ko raguwar matsa lamba, yana nuna sauƙin numfashi ta kayan tacewa.Bambancin matsi gabaɗaya ana ƙididdigewa ta hanyar auna matsewar iska a ɓangarorin biyu na kayan tacewa yayin da iska ke gudana a wani sanannen gudu ta kayan tacewa.Bambancin matsin lamba shine bambanci tsakanin matsewar iska guda biyu.Bambancin ƙananan matsa lamba yana nufin iska cikin sauƙi yana wucewa ta cikin kayan tacewa, yana sauƙaƙa numfashi.Don saitin gwajin da aka ba, rage saurin iska zai rage bambance-bambancen matsa lamba kuma ƙara kauri na kayan tacewa zai ƙara bambancin matsa lamba.
Ana ba da rahoton bambancin matsa lamba a cikin raka'a na pascal (Pa) (1.0 Pa = 0.102 mmH2O).Wasu ma'auni na bambancin matsa lamba don abin rufe fuska na tiyata suna amfani da sashin Pa/cm2, wanda bashi da ma'ana ta zahiri.Waɗannan gwaje-gwajen, duk da haka, sun ƙididdige sararin saman abin rufe fuska da aka gwada, don haka an ninka ƙimar ta wurin gwajin da aka gwada don samun naúrar ma'ana ta zahiri, Pa.
EN 149:2001
A cikin Turai, masu tacewa ta fuskar fuska dole ne su kasance da halayen da aka nuna ta EN 149: 2001 (+ A1: 2009), wanda ke ba da umarnin cewa waɗannan masks, a tsakanin sauran abubuwa, dole ne su sami takamaiman halaye na numfashi, zubewar ciki, ƙonewa, tara CO2. Ma'aunin EN 149: 2001 (+ A1: 2009) yana buƙatar a gwada ƙarfin tacewa na masks tare da aerosol na ƙwayoyin NaCl waɗanda ke da matsakaicin rarraba diamita tsakanin 0.06 da 0.10 μm kuma tare da aerosol na barbashi na paraffin. mai yana da matsakaicin diamita na rarraba tsakanin 0.29 da 0.45 μm;ba a nemi gwajin ingancin tacewa na kwayan cuta ba.Dangane da ƙarfin tacewa, ana rarraba masu tacewa facepiece respirators zuwa nau'in FFP1 (ƙarfin tacewa na NaCl aerosol da man paraffin daidai da 80%), FFP2 (ƙarar tacewa na NaCl aerosol da man paraffin daidai da 94%) da FFP3 (ƙarfin tacewa na NaCl aerosol da paraffin mai daidai da 99%).
