100% brand new and hiqh quality. aluminum foil material, not afraid of scratching, anti-friction, high temperature resistance. â the smooth surface tape has a high reflectivity and is more thermally insulated.â  waterproof, sealed and chemically resistant, uv resistant (sunshine). â very easy to use, just peel off the released film and then apply this butyl sealant tape to anywhere needed. â it has weather resistance, aging resistance and water resistance, and has a sealing, vibration damping