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I'm working on a project for work and trying to avoid using an acrylic mirror because I know that doesn't hold up well against toluene, but I'm wondering if a mirror made out of PETG would?

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PETG is also not resistant against toluene. A month-long contact under ambient conditions results a complete swollen/disintegrated PETG material (PDL rating 0), and an year-long exposure even causes whitening [1, p. 2660]:

PETG datasheet

References

  1. Chemical Resistance of Thermoplastics; Woishnis, W. A., Ebnesajjad, S., Eds.; PDL handbook series; William Andrew: Norwich, N.Y, 2012. ISBN 978-1-4557-7896-6.
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  • $\begingroup$ Thanks, have you yourself ever heard of a plastic that's actually resistant to toluene that can be used for a mirror? I'm having trouble finding anything, I mostly see Teflon and Nylon.. $\endgroup$ – Zayas12 May 27 at 17:24
  • $\begingroup$ @Zayas12 From the top of my head, not really, sorry. $\endgroup$ – andselisk May 27 at 18:15

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