ASTM International approves face-covering standard and releases white paper

摘要

A new standard that will help to establish minimum requirements for the design, performance, labelling and care of reusable barrier face coverings has been approved by ASTM International of West Conshohocken, Pennsylvania, USA.Developed by ASTM's committee on personal protective clothing and equipment (F23), the standard (F3502(1)) lays-out specific requirements for the design and construction of re-usable barrier face coverings for the general public, their particle filtration efficiency, sizing and fit, labelling instructions and guidance on their cleaning and recommended periods of use.