The QUALTEK ELECTRONICS Q5-4X is a heat shrinkable, dual-wall, adhesive-lined polyolefin tubing engineered for robust wire and cable protection. Manufactured through a co-extrusion process, it provides a secure, moisture-resistant barrier for automotive wires, shipping cables, metal tubes, and bundled wires. Its flexible polyolefin construction, combined with an adhesive lining, ensures a tight and durable seal. The tubing boasts a 4:1 shrink ratio, making it ideal for a variety of applications requiring insulation and protection. It meets industry standards like Sony-SS-00259 and SAE-AMS-DTL-23053/4, and is available in standard colors including black, red, blue, white, and yellow. Special sizes, packaging, colors, and cut pieces are available upon request.