Abun Wuya don saduwa da Ka'idodi Da mahimman Manyan Fasaha

1. Mashin kariya ta likita
A cikin layi tare da bukatun buƙatun fasaha na gb19083-2003 don masu farfadowa na likita, mahimman alamu masu fasaha sun haɗa da ingancin tacewa da juriya na iska wanda ba mai mai ba:
(1) ingancin filtration: a ƙarƙashin yanayin kwararar iska (85 ± 2) L / min, yadda ake daidaita fil na aerodynamics median diamita (0.24 ± 0.06) m sodium chloride aerosol ba kasa da 95%, wato, ta daidaita zuwa N95 (ko FFP2) da sama.
(2) juriya mai ban sha'awa: a karkashin yanayin kwararar da ke sama, jure wahayi bazai wuce 343.2pa (35mmH2O).
 
2. Mashin ido
A cikin layi tare da buƙatun fasaha na YY 0469-2004 don masks na tiyata, mahimman alamu masu fasaha sun haɗa da ingancin tacewa, ingantaccen ƙwayoyin ƙwayoyin cuta da juriya na numfashi:
(1) ingancin filtration: a ƙarƙashin yanayin kwararar iska (30 ± 2) L / min, yadda ake daidaita fil ɗin aerodynamics median diamita (0.24 ± 0.06) m sodium chloride aerosol ba kasa da 30%;
(2) ingancin ƙwayar ƙwayar ƙwayar cuta: a ƙayyadaddun yanayi, ingancin fil na staphylococcus aureus aerosol tare da matsakaicin matsakaitan ƙwayar cuta na (3 ± 0.3) m ba kasa da 95%;
(3) juriya na numfashi: karkashin yanayin ingancin kwararar mai inganci, juriya da kwazo bai kamata ya wuce 49Pa ba, kuma jigilar lafazi kada ya wuce 29.4pa.
 
3. Matatar tsoka mai rufe fuska
Dangane da ka'idodin samfuran samfurin da aka yiwa rajista (YZB), buƙatun sarrafaffen ƙarancin sarrafa ƙwayoyin cuta da ƙwayoyin cuta gabaɗaya sun ɓace, ko buƙatun ingancin filtri don ƙwayar cuta da ƙwayoyin cuta suna ƙasa da waɗanda ke cikin masks na tiyata da masu ɗorawa.


Lokacin aikawa: Mar-31-2020