Originally Posted by
popper
Third coating really flaked bad, seems extremely brittle when smashed. Doing 2 more batches, really thin coating - up to 4 coats now. Trying to build up 0.001" or so coating. I'll smash test one, then apply a thicker final coat, smash again. My thinking is a thicker coating is needed for the long rifle barrel. Earlier testing (+ PC recovered) shows it does 'wear' off going down the tube so IMHO extra thickness is needed.
Many plastics degrade from UV exposure but HiTek Joe says this stuff doesn't? OK.