The dust removal efficiency of PTFE mask cloth produced by PTFE mask film manufacturer can reach more than 99.9995%.
The minimum pore size of the film can reach 0.1um, which can capture most solid particles and liquid droplets. Since the pore size of the mask film is much larger than water vapor molecules, and polytetrafluoroethylene is a hydrophobic material, water droplets cannot penetrate the micropores, so It has good moisture permeability, breathability and waterproof properties.
Try it, I have used their stuff and it is OK. I hope it will be helpful to you.
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