Are commonly used masks made of polytetrafluoroethylene mask membrane material?

The materials required to make traditional masks are generally ordinary non-woven fabrics, cotton cloth or gauze.

Current dust masks are generally made of two layers, inner and outer, with a layer of filter cloth in the middle.

The filtering of dust in the air mainly relies on the filter cloth in the middle. However, ordinary filter cloth can only intercept some dust with larger particles, and cannot have a good effect on those fine dust.

So, people continue to conduct scientific research, and finally discovered that there is a material that can effectively block those fine dust in the air, which is the environmentally friendly material PTFE mask film.

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