For use up to 600 V. PVC film coated with a non-corrosive rubber-based adhesive. Resistant to water, oils, acids, alkalis and other corrosive chemicals. Lead-free. Temperature range from 32 to 176 deg F. Used to repair frayed wiring, splice wiring, protect wire nut connections, resurface and insulate hand tools and general-purpose maintenance and repair. 7 mil thick. UL listed and CSA Certified.