Fixing damaged plastic bumpers involves grinding, sanding, ... Sand and contour plastic body filler with 80- and 120-grit, then finish with 400-grit waterproof sandpaper on a rubber block.

The filler they used is 3M Automix 5895, a two-part flexible epoxy adhesive designed to repair TPO plastics. TPO stands for Thermo Plastic Olefin and is what many bumpers are made of.

Most folks shy away from doing anything with these bumpers. Plastic body filler is a nice quick fix-until someone bumps it just right. Suddenly, you're standing in front of your newly painted Mach ...

The industry began transitioning to rubber bumpers and hard and/or soft plastic filler panels during the '70s to lessen production costs and improve fuel economy with reduced weight.