3

There are lots of surgical masks being sold online rather than traditional outlets such as home improvement shops and chemists. How do you ascertain it is likely to be a real mask that provides protection versus a fake?

3

3 of the tests are based on the fact that the surgical mask is

  • 3 ply

  • The outer layer is water proof

  • the middle layer is a plastic filter that doesn't burn like paper

There are also electrostatic and breath tests.

See

https://medium.com/@ximplifyit/genuine-or-fake-surgical-masks-3-quick-tests-to-find-out-df8c27c27a42

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