I've used a fair amount of OC 2.0, and a syringe or two of Opti-Lens, so I'm familiar with the difference between those two, where OC 2.0 flashes pretty fast and clean, while Opti-Lens is much slower and tends to lay out more, if you will.
I have a syringe of Gloss-Coat that I bought when it first came out. I only remember using it once on a trunk lid. This morning I was trying to do a quick-and-dirty coating on the front of a car in my garage, where the lighting wasn't too good, and it was a bit humid. Temp was...pretty moderate. This front end had all different kinds of materials, paint, matte black, piano black, some (I guess) painted charcoal surrounds, brushed-aluminum-looking trim, clear plastic over emblems, etc. Oh, I also did the side mirrors, which had some textured black trim.
I found the Gloss-Coat to be very smeary and difficult to work with--is this normal? Not sure if it's normal, whether it's too old (it was not gelled at all), whether I didn't have a clean enough surface, put too much on, it was too humid...any ideas? Gloss-Coat is supposed to be easy to use--is the flash time really long and I just didn't wait long enough?