Disposible particle respirator, Elastic respirator facepiece with replaceable filters; Other (HS 630790); Other breathing appliances and gas masks, excluding protective masks having neither mechanical parts nor replaceable filters (HS 9020); Respiratory protective devices (ICS 13.340.30)
National Standard of the P.R.C., Respiratory Protection - Non-powered Air-purifying Particle Respirator (39 page(s), in Chinese)
This standard specifies the classification and identification, technical requirements, test methods and marking for non-powered air-purifying particle respirators. This standard is applicable to non-powered air-purifying particle respirator. This standard is not applicable to respirators that protect against harmful gases and vapor, nor to respirators for hypoxic environments, underwater operations, escape and fire-fighting.