Rubber Splicing Tape 3;4; x 22 ft x 30 Mil - Our 600 Volt Max Splicing Tape sticks to itself Features. 600 volt max splicing tape is self fusing with liner. High quality unvulcanized rubber that will bond quickly to itself to form a solid mass of water-tight protection for electrical wires. Primary insulation for electrical wires and cables splices of not more than 600v. Splicing tape is flexible to withstand expansion and contraction. High resistance to salt water, steam, oils, detergents, and other chemicals make it an ideal tape for pipe repair, automotive, marine, construction, etc. Dielectric strength 490 volts per mil, for use up to 176 degrees;F; 80 degrees;C;.Specification. Color; Blue. Size; 3;4 in. x 22 ft x 30 Mil. Box Qty; 100. Item Weight - 0.40 lbs.