* = FFP2 protection level. Lt. Wikipedia is the "protective effect at least 95% of harmful dust, mist and smoke; filters for solid and liquid particles;
whose concentration reaches up to 10 times the maximum allowable concentration against harmful substances. "
Lt. Guide them "not against radioactive materials, airborne biological agents of risk group 3 and enzymes" protects.
* NR = "Not Reusable". Lt. Manual may be the mask "for a maximum of one work shift (8 hours) used"
* D = lt. Manual, the mask has passed the Dolomite Einspeichertest against clogging
By the tougher requirements as a FFP2 mask is understood why this bear an expiration date. The pack keeps me present to April 2018 when I
must assume that the pack is freshly prepared, so keep the masks for 3 years.
The handling is really easy: lower rubber over the head (under the ear), mask against the face, upper gum above his head (on ear). Now with both hands
the upwardly extending flexible plastic strips on the mask so forms that mask the own nose shape and follows good seals. The valve helps to air and
prevent excessive heat buildup. The only problem for me as a spectacle wearer's difficult to work with, because the spectacle is now no
Place has more to their rightful place on the nose it sits too far forward.
Power: I think, an accurate assessment is not possible here, I do not work with extreme hazardous substances. Here you have to be well on the protection levels
leave and appropriate tests.
