DRY-SHRINK Thin Wall Polyvinyl Chloride (PVC) Heat Shrink, 0.063 Inch (1.6 mm) Diameter, 0.031 Inch (0.8 mm) Maximum Recovered Inside Diameter, 25 Foot (7.6 Meter) Reel, Black. Flexible, Flame Retardant PVC material offers good cut through and solder resistance. For dry locations. Good resistance to most fuels and oils. For use where ripple free conformance around sharp bends is needed, such as in appliance handles and busbars. Shrink Ratio is 2 to 1. Temperature Range is -4 degrees Fahrenheit to 221 degrees Fahrenheit (-20 degrees Celsius to 105 degrees Celsius). Voltage is 600 Volts. UL VW-1 Recognized. CSA Certified. Military Specification AMS-DTL-23053/2 Class 1.