Hearing protectors. Safety requirements and testing - Ear-plugs Ingestion-build-83346 reservoirs

reservoirs

plastics and glass-reinforced plastics

distribution systems having a nominal voltage between 1 kV and 35 kV and a nominal frequency of 50 Hz or 60 Hz

Stainless steel is an ideal material for many applications because of its heat resistance properties

having a thickness of 3

Hearing protectors. Safety requirements and testing - Ear-plugs Ingestion-build-83346 reservoirsThe particular requirement in relation to the ability of hearing protectors to reduce noise below daily limit levels is addressed in the standard by requiring the sound attenuation of the hearing protectors, measured in accordance with EN 24869 1, to be not less than a specified minimum. Further, by requiring that the measured sound attenuation be declared, the selection of suitable hearing protectors for individual circumstances may be undertaken