Seal, patch, and protect with our Blue Polyester Film Flash Tape, a high-temp, residue-free tape for precision composite work. Made from translucent polyester with a pressure-sensitive silicone adhesive, it’s ideal for vacuum bag seams, release films, and pinhole patches. With 400°F heat resistance and a 0.001″ thickness, it holds strong under pressure yet removes cleanly for spotless results.