Respiratory protective devices - Filtering half masks to protect

رقم المستند: NL EN 149 : 2020
القطاع: Environment. Health protection. Safety
TC: NL TC 138
ICS: 13.340.30
This European Standard specifies minimum requirements for filtering half masks as respiratory protective devices to protect against particles except for escape purposes. Laboratory and practical performance tests are included for the assessment of compliance with the requirements.