AFNOR has produced a reference document that anyone can use to make "barrier masks". Intended for both mask manufacturers and the public, this document provides guidance on how to make masks for all healthy individuals and supplements the range of good hygiene practices that are essential for tackling the coronavirus epidemic.
This document contains: The minimum requirements for mass-produced and homemade masks The tests to ensure that barrier masks are effective Tips on how to use and clean masks The preferred materials, the dimensions and the types of straps An appendix also features ready-to-use patterns that can be printed out. When you download AFNOR Spec – Barrier masks, you will automatically be notified when a new version is available. The document will be updated as suggested improvements are approved by the 150 experts who were involved in the first version published on 27 March 2020.