Standards: ISO 22609:2004 Clothing for protection against infectious agents - Medical face masks - Test method for resistance against penetration by synthetic blood (fixed volume, horizontally projected) ASTM F1862-07Standard Test Method for Resistance of Medical Face Masks ...
Standard: GB / T 32610-2016 Technical Specifications of Daily Protective Masks 6.14 Protection Effect Appendix B Test Method for Protection Effect of Particulate Matter Application: used to quickly and accurately detect the protective effect of various plane masks and 3D masks ...