What is the waterproof performance of PTFE membrane?

The surface of the polytetrafluoroethylene film is water-repellent and has a very high water pressure resistance, so it has high waterproof performance. The protection against viruses in liquids is mainly based on the low surface tension of the PTFE film and the high water pressure resistance of the composite film. The characteristics make the droplets difficult to adhere, wet or penetrate, so that a small amount of liquid spray will automatically slide off and will not penetrate.

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