See, the packaging talks about cold weather use, & while it's used for both warm & cool air on HVAC ducts, your CHE is probably a whole lot hotter than the tape
is normally exposed to, or if it is, it's outside where no one is breathing it. I'd make sure I wasn't able to smell anything, or I'd stop using it on my snake enclosure.
Agree. If I can still smell it in an hour or two I will remove it and buy something else.