3M™ Heat Shrink Products offer the important advantages of simple installation, excellent performance, and long-term reliability. The materials chosen for these products are specifically developed to meet demanding performance requirements and are manufactured under stringent quality-assurance standards, with many products meeting or exceeding the requirements of most military, commercial, and industrial OEM specifications. Various 3M™ Heat Shrink Products have proven their effectiveness in some of the most demanding environments, including outer space, undersea, and underground. Count on a wide range of high-quality heat shrink tubing products from 3M for insulating, protecting, bundling, harnessing, and wire marking. Features: SHRINK RATIO: Offers a 3:1 shrink ratio; when freely recovered, the tubing will shrink 33% of its as-supplied diameter; DUAL-WALL DESIGN: A durable, flexible polyolefin outer wall resists abrasions while a meltable inner wall keeps out moisture; A VERSATILE OPTION: Flame-retardant, water-resistant, and rated for 600 V applications; OPERATING RANGE: This tubing functions in a temperature range of -55.110 .C (-67.230 .F), with a shrinking temperature minimum of 121 .C (250 .F); IDEAL FOR A VARIETY OF APPLICATIONS: Offers protection for automotive, truck, electronic components, wire splices, wire bundles, and harness breakouts; CERTIFICATIONS: UL Listed, CSA Certified, and RoHS 2011/65/EU Compliant