3M™ SMS Heat Shrink Tubing is a dual-wall tubing that is specially designed for automotive wire harnesses. This tubing has a 4:1 shrink ratio and semi-rigid polyolefin construction with an internal layer of thermoplastic adhesive offers moisture-seal protection.
3M™ Heat Shrink Tubing SMS is color-coded for quick and easy identification of the wire. This flame-retardant tubing is puncture-resistant and offers superior strain relief as well as mechanical protection. It is ideal for insulation of automotive, RV, truck, tractor, heavy equipment and marine wire splices, in-line components, fusible links and terminals. It withstands temperatures of -67 to 230 degrees F (-55 to 110 degrees C). SAE-AMS-DTL-23053/4, Class 3 Certified and RoHS 2011/65/EU Compliant.