Class B 130°C Glass Cloth Tape. A non-woven glass cloth with a rubber thermosetting adhesive used in electrical insulation of coils, insulation of square conductors in traction motors and generators and tensional strapping of coils and armature windings. Rubber thermosetting adhesive Recognised by UL Conforms to BS EN 60454-3-8 Type 1 High temperature resistance (130°C) High mechanical strength 55m length rolls