Loctite makes or made a caulk that doesn't burn foam. Fits in a caulking gun. Slather it on and clamp down. Let it cure. What scares me is you said plastic. Might have to rough up the frame with some 80 grit. Some plastics are super hard slash slick. Here it is from Home Cheapo.
#3
Scrubcadet10
yeah the plastic is fairly slick.. definitly will rough it up. Thanks for the Info SloMo