# The CPAP racket **URL:** \ **Category:** Miscellaneous and Personal Stuff I Must Share\ **Created:** [September 19, 2024, 4:51pm UTC](https://boards.straightdope.com/t/the-cpap-racket/1007480 "2024-09-19T16:51:40Z")\ **Posts on this page:** 1\ **Showing post:** 17
**Author:** ![Joey\_P](https://avatars.discourse-cdn.com/v4/letter/j/919ad9/32.png) [@Joey\_P](https://boards.straightdope.com/u/Joey_P)\ **Post date:** [September 20, 2024, 12:12pm UTC](https://boards.straightdope.com/t/the-cpap-racket/1007480/17 "2024-09-20T12:12:09Z")
> [@GailForce](#): > > And the waste! The provider ships me a dozen mouthpieces every few months, S, M, L, XL, despite my telling them that the M mouthpiece works just fine and I don’t need all the others. But no, they keep coming in the mail. Maybe Lumpy wants them? > [@Any way to dissolve (or at least soften) thermosetting plastic?](https://boards.straightdope.com/t/any-way-to-dissolve-or-at-least-soften-thermosetting-plastic/1007140): > > I have a bunch of used c-pap face masks with magnetic clasps that I would like to recover the magnets from. Unfortunately the clasps consist of a magnet embedded in very hard tough thermosetting plastic. Sawing or cutting the clasps is too likely to break the magnet inside (broke two already), and the plastic can’t be burned off because that would probably exceed the Curie limit of the magnets. Online research advises me that thermosetting plastics are extremely resistant to solvents; at least n… --- _[View the full topic](https://boards.straightdope.com/t/the-cpap-racket/1007480)._