jb wrote: , WD type stuff is not oil but thin grease in suspension
WD40 is a light oil and a solvent carrier. It is not a grease. You can lubricate delicate mechanisms (like clocks) with it, where any viscous lubricant would just stop the thing in its tracks.
GT85 is mainly a colourless oil (somewhat thicker than WD40 residue), again in a solvent carrier. It also contains tiny flakes of solid PTFE. Goodness knows if they do any good or not, but they are easily seen under a microscope. I think TF2 is basically the same.
It is easy enough to tell what is in these aerosols; just spray some into the cap and leave it for a few minute/hours/days for any thing volatile to evaporate. That is what I did.
BTW I believe that talk of 'bonding PTFE' to surfaces by letting stuff out of a dropper bottle dry is mostly just marketing BS. If it were that easy, that good etc it wouldn't just wash off. You can make coatings that don't just wash off like that (even if they are still no good in a chain bushing) but it is a fair bit more difficult than that.