One to three times is enough. Vegetable oil can be used to loosen the paint on a plastic surface. How To Remove Spray Paint From Plastic And Metals - Very Shaky Video But Useful To Know Paint Remover Spray Paint Cleaning Hacks Oils are incredibly effective at loosening up dried paint and sticker adhesive. Car paint remover for plastic . Aircraft® paint remover for flexible plastic this product has been discontinued. Brush chemical paint stripper onto vertical surfaces. Vegetable oil can be used to loosen the paint on a plastic surface. Nail polish remover can sometimes melt plastic, so don’t overuse it. Combining oil with a razor blade or plastic putty knife is a quick and easy way to get spray paint off plastic without causing any damage to the surface. Denatured alcohol is effective for removing paint. If the paint does not come off after several attempts, it is best to try other, stronger solvents. Using a scraper may remove the paint from a plastic product but...