Originally Posted by
LoganTSO
There are no chemicals. It's a simple Nomex or Teflon sheet, depending on the ETD used.
As to why it's made out of a DuPont product? Heat resistance since part of the process involves vaporizing the sample so it can be ionized and analyzed.
I'd bet against Teflon, then, unless they're using a different formulation.
Vaporized Teflon is scary, scary toxic.