Rabin abin rufe fuska tace barbashi (6002-2 FFP2)
Abun abun ciki
An tsara tsarin tacewa kuma an shimfiɗa shi ta saman 50g maras saka, Layer na biyu ta 45g auduga mai zafi, Layer na uku ta FFP2 kayan tacewa, Layer na ciki ta 50g maras saka.
6002-2 EN149 FFP2 an gwada shi ƙarƙashin TS EN 149: 2001 + A: 2009 Na'urorin kariya na numfashi-Tace rabin abin rufe fuska don kariya daga ɓarna.
Dace da fata
Abubuwan da za su iya haɗuwa da fatar mai sawa ba za a san cewa za su iya haifar da haushi ko wata illa ga lafiya ba.(An wuce)
Flammability
Lokacin da aka gwada, abin rufe fuska mai tace barbashi ba zai ƙone ko ya ci gaba da ƙonewa ba fiye da daƙiƙa 5 bayan cirewa daga harshen wuta.(An wuce)
Abubuwan da ke cikin carbon dioxide na iskar inhalation
Abubuwan da ke cikin carbon dioxide na iskar shaka (mataccen sarari) ba zai wuce matsakaicin 1.0% (girman).(Mai wucewa).
Filin hangen nesa
Filin hangen nesa yana da karɓa idan an ƙaddara haka a cikin gwaje-gwajen aiki mai amfani.(An wuce)
Juriya na numfashi
| Rabewa | Mafi girman juriya da aka yarda (mbar) | ||
| Numfashi | Fitar numfashi | ||
| 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 |
(An wuce) Marufi Bayanin da ke gaba zai kasance a sarari kuma a yi musu alama a kan ƙaramin marufi na kasuwanci ko kuma a iya karanta su ta ciki idan marufin ya bayyana.1.The sunan, alamar kasuwanci ko wasu hanyoyin ganewa na manufacturer ko maroki 2.Type-gano marking 3.Classification The dace aji (FFP1, FFP2 ko FFP3) bi da guda sarari da kuma 'NR' idan barbashi tace rabi. abin rufe fuska yana iyakance ga amfani da motsi guda kawai.Misali: FFP2 NR.4.Lambar da shekarar buga wannan Standard na Turai 5.Aƙalla shekarar ƙarshen rayuwar shiryayye.6.The manufacturer ta shawarar yanayin ajiya (akalla zafin jiki da zafi)
Abubuwan tace rabin abin rufe fuska an tabbatar da bayar da ingantacciyar kariya daga ɗigon ruwa, iska da shigar ruwa wanda ke haifar da maƙarƙashiya a kusa da baki da hanci.
Masks na likitanci / tiyata suna ba da shinge kai tsaye tsakanin gabobin numfashi da muhallin da ke kewaye.Ana ƙayyade tasirin abin rufe fuska ko na'urar numfashi ta hanyoyi biyu masu mahimmanci, ingancin tacewa da dacewa (leakage facepiece).Ingantaccen tacewa yana auna yadda abin rufe fuska ke tace barbashi a cikin takamaiman girman kewayon, wanda ya haɗa da ƙwayoyin cuta da sauran ƙwayoyin cuta, yayin da ya dace da yadda abin rufe fuska ko na numfashi ke hana zub da jini a kusa da facepiece.Dangane da ka'idodin Hukumar Abinci da Magunguna (FDA) da ingancin tacewa, ana iya rarraba abin rufe fuska na likitanci zuwa sassa daban-daban.An raba waɗannan zuwa matakin ASTM 1, 2 da 3 dangane da ingancin juriyar ruwa.Mataki na 3 yana ba da mafi girman ingancin tacewa na ƙwayoyin cuta tare da babban juriya ga shigar ruwan jiki.A cikin Turai, abin rufe fuska na likita sun cika ka'idodin Turai EN 14683: 2019.
Duk da haka, abin rufe fuska na tiyata ba su da tasiri idan aka kwatanta da masu numfashi.Respirators sun ƙunshi na'urorin kariya masu dacewa ko masu tsabtace iska waɗanda za su iya hana ƙananan ƙwayoyin cuta (<5 μm) wucewa ta hanyar numfashi na mutum.Ana samun wannan ko dai ta hanyar cire gurɓatattun abubuwa ko kuma ta samar da tushen iska mai zaman kansa don shaƙa.Sunan su daban-daban a kasashe daban-daban.A cikin Amurka, Cibiyar Kula da Tsaro da Lafiya ta Kasa (NIOSH), ta ƙayyade ingancin tacewa na waɗannan respirators kuma an rarraba su cikin jerin N-, R-, da P- don ba mai jure mai, ɗan ɗan jure mai da ƙarfi mai ƙarfi. , bi da bi.Kowane jerin uku yana da ingancin tacewa daban-daban guda uku a 95, 99 da 99.97%, wato N95, R95, P95, da dai sauransu. rabin abin rufe fuska, mai sarrafa iska mai tsarkake iska (PAPR) da SAR (mai isar da iskar numfashi).Dangane da ƙa'idodin Turai, an ƙara raba FFPs zuwa FFP1, FFP2 da FFP3, tare da inganci na 80%, 94% da 99%, bi da bi (EN 149:2001).
