REGULATION (EU) 2016/425
It contains laboratory tests to check the conformity with resistance to impacts, to cleansers and disinfectants, to temperature, to flame and with respiratory resistance.
NIOSH Filtering half-masks against particles
Filtering facial parts, multiple levels of protection (non exhaustive list):
• NIOSH 95 : Filters at least 95% of the particles (non-oily) suspended in the air.
• NIOSH 99 : Filters at least 99% of the particles (non-oily) suspended in the air.