The green self etching paint in a rattle can is more than likely from companies like pro-form, etc. It is used for doing small spot jobs. The older stuff seemed to be better as the stuff lately is very sensitive to 2K primers urethanes etc. It will wipe off with laquer thinners quit easily. Not a good thing. When you are ready to paint I would take it off and put on a good epoxy primer or a good 2K self etching primer that is a DTM primer. I would not leave the non activated rattle can stuff on if I want it to last. JMO of course.
