3M Glass Cloth Electrical Tape 27, White, Rubber Thermosetting Adhesive, 3/4 in x 66 ftColor=White, Width=3 4 in, Length=66 ft, Thickness=7 mil, Tensile Strength (2)=150 lb in, Material=G Is a woven glass cloth tape designed to operate in 600 volt dry applications, requiring high mechan The glass cloth is specially treated and prepared to provide corrosion free protection It will not shrink, rot, or burn and has a high tensile strength Contains pressure sensitive thermosetting adhesive which performs as Class B temperature (266F 13 500