FFP1 imaski
I-FFP1 imaski yeyona nto incinci yokucoca imaski kwezi zintathu.
Ipesenti yokuhluza i-aerosol: 80% ubuncinane
Izinga lokuvuza kwangaphakathi: ubuninzi be-22%
Isetyenziswa ikakhulu njengemaski yothuli (umzekelo kwimisebenzi ye-DIY). Uthuli lunokubangela izifo zemiphunga, ezifana ne-silicosis, i-anthracosis, i-siderosis kunye ne-asbestosis (ingakumbi uthuli olusuka kwi-silica, amalahle, intsimbi ekrwada, i-zinc, i-aluminiyam okanye i-samente yimingcipheko eqhelekileyo yamasuntswana).
FFP2 imaski
Iimaski zobuso zeFFP2 ezinevalve yokuphefumla nangaphandle
Ipesenti yokuhluza i-aerosol: 94% ubuncinane
Umlinganiselo wokuvuza kwangaphakathi: ubuninzi be-8%
Le maski ibonelela ngokhuseleko kwiindawo ezahlukeneyo ezifana neshishini leglasi, isiseko, ulwakhiwo, ishishini lamayeza kunye nezolimo. Iyayeka ngokufanelekileyo iikhemikhali ezinomgubo. Le maski inokusebenza njengokhuseleko kwiintsholongwane zokuphefumla ezinjengomkhuhlane weentaka okanye isifo esibukhali sokuphefumla esinxulunyaniswa ne-coronavirus (SARS), kunye nakwibhaktheriya yesibetho sepneumonic kunye nesifo sephepha. Iyafana ne-US-standard N95 respirator.
FFP3 imaski
FFP3 imaski yobuso
Ipesenti yokuhluza i-aerosol: 99% ubuncinane
Izinga lokuvuza kwangaphakathi: ubuninzi be-2%
Imaski ye-FFP3 yeyona nto ihluzwayo kwiimaski zeFFP. Ikhusela kumasuntswana amahle kakhulu anjenge asbestos kunye neceramic. Ayikhuseli kwiigesi kwaye ngakumbi iioksidi zenitrogen.