Introducing the HRSR-175FR-10/226-NM, a high-performance heat shrink tubing designed for critical applications in the HVAC industry. This black tubing, made from durable crosslinked polyolefin, offers a superior shrink ratio of 5.6:1, ensuring a tight and secure fit around cables and wires. With a shrink temperature of 90°C, it provides reliable insulation and protection in high-heat environments. The operating temperature range of -55 to 90°C guarantees its effectiveness in both extreme cold and hot conditions. Measuring .32 inches in diameter when recovered and 1.75 inches when expanded, it accommodates a wide range of cable sizes. Trusted by professionals, this tubing, also known as CZ2515-000, is a must-have for any project requiring dependable abrasion protection and insulation. Please note that this product is not high reliability (hi_rel) certified.