3M Glass Cloth Electrical Tape 27 is a robust electrical insulation tape constructed with woven glass cloth and a pressure-sensitive rubber thermosetting adhesive. This tape excels in demanding environments, offering exceptional mechanical strength and resistance to high temperatures. It's ideal for insulating electric furnace power supply leads, splicing wire, and providing heat-stable insulation for hot spot applications. Meeting UL and CSA recognized standards, this tape ensures reliable performance in various electrical applications.