Nashua Self-fusing silicone tape. Splice and repair electrical wires and cords. Seal electrical plugs and connectors. Seal pipes and hoses. Cover sharp edges. Protect against rust and corrosion. Conforms to almost any surface. Self-fusing silicone creates a permanent, water-tight seal. Easy to apply and to remove - no sticky residue left on surfaces. Repositionable to achieve a proper seal. Excellent temperature resistance. Apply even in wet conditions. Cut away to remove - leaves no residue. UL listed 3LYA. Used for general purpose waterproofing and sealing applications. Liner: clear cellophane. Tensile strength: 700 psi. Elongation: 300 percent. Operating temperature: -65 to 500 degrees F. Dielectric strength: 8000V. Tear resistance: 65 psi. Measures 10-feet length by 1-inches width by 20-mil thick.