Scotch(R) Rubber Mastic Tape 2228, 2 in x 10 ft, Black, 1 roll/carton Ethylene Propylene Rubber (EPR) Self-fusing rubber insulates and seals cable and wire connections rated up to 1,000 volts Mastic adhesive quickly bonds with most materials Ethylene propylene rubber backing is highly conformable to wrap snugly Temperature-stable properties resist heat up to 194F (90C) Excellent weather and moisture resistance for outdoor applications