3M 88 Electrical Tape, .75-Inch by 66-Foot by .0085-Inch Pvc backing and mastic sealant protects against alkalis, abrasion, uv rays and moisture; can be used in a variety of weather conditions Strong mastic sealant conforms well to various applications Use for electrical connection sealing and insulating in applications up to 600V Product dimensions are 2.5 in x 10 ft x 45 mil Black color, engineered with sturdy polyvinyl chloride and mastic 8.5 mil heavy-duty, premium grade, all-weather vinyl electrical insulating tape Maintains conformability for cold weather applications Provides better mechanical/abrasion resistance Quicker build-up UL LISTED