The 3M Glass Cloth Electrical Tape 27 is a great option when it comes to electrical jobs that require heat insulation, edge tear resistance and adaptable tape applications. The composite in its material is suitable for 600V rated, dry location application on motors and transformers. 3M Glass Cloth Electrical Tape 27 features a pressure sensitive, high temperature, thermosetting, rubber adhesive that offers exceptional bonding once adhered. This reactive compound results in a non-corrosive adhesive that offers solvent resistant protection; providing stability and reliability. 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.