Thin-wall heat shrink tubing ideal for cable insulation, marking, and bundling. Superior mechanical, abrasion, and moisture protection. Flame retardant. Resists common fluids and solvents. For above ground use only. Continuous operating temperature: -67 deg (degrees) F (Fahrenheit)/-55 deg C (Celsius) to 275 deg F/135 deg C. Shrink temperature: 250 deg F/120 deg C to 480 deg F/250 deg C. 600 V/Mil dielectric strength. 2:1 shrink ratio.