3M Glass Cloth Electrical Tape, White, 66 ft. x 1/2 in.

A 7-mil woven insulating glass cloth provides high mechanical strength, high temperature resistance and heat-stable insulation for heating units and oven controls, motor leads and switches. This glass cloth backing holds a feature suitable for tough 600V ratings and endures extreme temperature operations (low temperatures up to 302F / 0 to 150C) often presented in application environments. Resists rotting and shrinking after extended use.