The ptfe nano mask filter membrane is made of light and thin material and can quickly exchange heat, so the stuffiness is greatly reduced during use. At the same time, the lightness shortens the time for the pressure difference between the inside and outside of the mask to balance, giving consumers a more comfortable breathable experience. ; The strong non-hygroscopicity and microporous hydrophobicity are also one of the outstanding characteristics of PTFE nanofilm. A large amount of oral water vapor is emitted to the outside of the mask through the micropores, and there will be no accumulation of saliva inside the mask, keeping it fresh and dry for a long time.
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