Used on printed circuit boards during solder process. Very low electrostatic discharge properties. Static Charge: (@50% RH, 70°F); Removal from roll: <150 volts; Removal from PWB: <50 Volts. Specifications Backing: Polyimide Adhesive: Silicone Dielectric Strength: 7000V Thickness: 2.7 Mil Adhesion to steel: 20 oz./in. Tensile: 33 lbs./in. Insulation Resistance: 1 x 106MΩ/sq. Color: Gold Core: 3" Length: 36 Yards Width: 1" (USA)