CN China
  • 13 - Environment and health protection, Safety
  • 90 - Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; parts and accessories thereof

Non-powered filtering respirators for escape; (HS: 9020); (ICS: 13.340.30)

National Standard of the P.R.C., Respiratory protection—Non-powered filtering respirators for escape (15 page(s), in Chinese)

This standard specifies the classification, levels, technical requirements, test methods, marking and packaging of non-powered filtering respirators for escape. This document applies to disposable respirators used to protect against toxic gases, vapors and particulates during escape.