AAMI Level 3 vs Level 4 Surgical Gowns: SMMMS Non-Woven Fabric, Hydrostatic Pressure & Viral Barrier Testing
Under ANSI/AAMI PB70 and EN 13795 standards, operating theatre gowns are strictly classified by fluid barrier performance. Here is the engineering analysis of Hydrostatic Head pressure, ASTM F1671 viral penetration, and SMMMS reinforced fabric technology.





