3M Heat Shrink Cable Sleeve IMCSN is a flexible, medium wall tubing that provides abrasion, corrosion and chemical resistance. This sleeve has a 3:1 shrink ratio and offers primary electrical insulation for 1 kV rated applications. It features a polyolefin construction that provides moisture seal protection.3M Heat Shrink Cable Sleeve IMCSN is a resistant sleeve has a factory applied adhesive/sealant that offers reliable performance for electrical splices, connections and terminations. It is perfect for insulating secondary splices, direct buried, submersible or dig in repairs, as well as physical protection of high voltage, air insulated connectors or lugs. It withstands temperatures of 67 to 230 degrees F ( 55 to 110 degrees C). RoHS 2011/65/EU Compliant.