Current problems and further development of international standard ISO 16890

The ISO 16890 standard, issued in 2016, is the first international standard to test and evaluate the performance of air filters for general ventilation. Presents the main technical contents of the standard. Analyses of the main technical problems existing in the standard at present, and combined with the research status at home and abroad in recent years, proposes the corresponding suggestions for the further development and improvement of the standard.