Heat Shrinkable Wire Tubing. Shrink Ratio: 2:1 (Shrinks to 1/2 of its original diameter) Wire Protector Tubing Highly Flame Retardant. UL224 125° C. UL Listed & CSA Certified Wire Heat Shrink Inner Diameter Voltage Rating: 600V. RoHS Compliance Operating Temp.: -55°C to +125°C Max. Continuous Use Temp.: 135°C (275°F) Wire Insulation Tubing, Strain Relief, Cable Bonding, Color-Coding, Corrosion Protection Wire Heat Shrink Tubing Ratio: 2:1 (Shrinks to 1/2 of its original diameter) Color: Red,Yellow,Blue,Black,Yellow & Green,Green,White,Brown,Grey,Orange Highly Flame Retardant Wire Shrink Wrap Tubing Maximum Continuous Use Temperature: 125° C Voltage Rating: 1000V Cable Shrink Wrap Applications: Electrical Insulation, Strain Relief, Cable Bonding, Color-Coding, Wire Marking, Corrosion Protection, Solder Insulation and more