Keep connections safe from corrosion, abrasions and chemicals with a 3M™ ITCSN Heat Shrink Cable Sleeve. Its chemically cross-linked polyolefin construction seals out moisture, and it shrinks quickly at a 3:1 ratio when heat is applied to provide electrical insulation for 1 kV-rated applications. This cable sleeve withstands temperature ranges from -67 to 230 degrees F (-55 to 110 degrees C). Shrink Tubing, 1.5in ID, Black, 25ft