Loy Purple Waterproof Masking Tape is a High End masking tape, a favourite in the surf industry for fin boxes, cut laps, hot coats and spray jobs Made with a rubber solvent adhesive it is suitable for wet sanding with clean removal on a number substrates, such as fiberglass, car bodies, plastics, glass and rubber Heat resistant at 150 degrees Celsius up to 30 mins makes it perfect for board manufacturing.