Multipurpose self-fusing silicone tape An advanced tape that creates an airtight, watertight seal in seconds. Tolerates extreme temperatures from -54˚C to 260˚C. Resists UV, moisture, oxygen, oil, most chemicals, and salt water. Can be applied under water. Acts as an insulator up to 400 volts/mil. Stretches by 400%, moulding easily around irregular shapes. Will never leave a sticky residue!