Scotch™ Brand 27 Glass Cloth Electrical Tape is a woven glass cloth tape designed to operate in applications requiring high mechanical strength and resistance to high temperatures. The glass cloth is specially treated and prepared to provide corrosion free protection. The glass will not shrink, rot or burn and has a high tensile strength. The adhesive is a rubber pressure-sensitive thermosetting system. The tape is designed for continuous use at class “B” (130°C) temperature.