The tape's pressure-sensitive, rubber-resin adhesive and a durable PVC backing provide great protectionStands up to the elements: from UV rays and moisture to alkalis, acids and corrosionTape dimensions: 3/4 in x 66 ft x 7 milBlack tape works great with rubber and synthetic splicing compoundsOperates in temperatures ranging from 0 to 221 degrees F (-18 to 105 degrees C)