3M™ Glass cloth electrical tape 27 is a 7 mil woven insulating tape with pressure-sensitive rubber thermosetting adhesive. This tape is designed to operate in 600 V dry applications requiring high mechanical strength and resistance to high temperatures. The adhesive is specially designed and prepared to provide corrosion protection. 3M™ Glass cloth tape 27 is edge tear-resistant, conformable and abrasion-resistant. For use as a coil cover, anchor, banding and core, layer and crossover insulation.