Self-Fusing Auto Tape has the latest technology in silicone tape and is ideal for almost any application requiring a water-proof seal and an excellent insulator with high dielectric strength. This product has no sticky adhesive but instead fuses upon itself when wrapped, forming a permanent bond that is both airtight and waterproof within 24 hours. Ideal for high temperature applications and is a great alternative to heat shrink tubing. Resists UV, oil, and corrosive chemicals while insulating 8,000 volts per layer.