There are three types of medical masks used in the field of medical medicine and hospitals. The corresponding names are: disposable medical masks, medical surgical masks, and medical protective masks. The corresponding standards are: YY/T0969-2013 Disposable Technical requirements for medical masks, YY0469-2011 medical surgical masks, and GB19083-2010 medical protective masks.
PTFE medical mask filter material adopts a special processing technology and is a microporous film made by calendering, extrusion, biaxial stretching and other methods.
This kind of membrane has excellent breathability, corrosion resistance, aging resistance, high temperature resistance and other properties.
Three-dimensional mesh structure, no through holes.
The porosity and pore size distribution are important indicators for measuring films.
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