Respiratory protective equipment—Non-powered air-purifying particle respirator
This Standard specifies the technical requirements, testing methods and marking of non-powered air-purifying particle respirator.
This Standard is applicable to the non-powered air-purifying respiratory protective equipment for various particles.
This Standard is not applicable to the respiratory protective equipment for harmful gas and steam. This Standard is not applicable to the respiratory protective equipment used in the anoxygenous environment, underwater operation, escape process and fire fighting process.