This flexible, thin-wall heat shrink tubing from Techspan is designed for general-purpose insulation, harnessing, strain relief, and identification. Made from a specially formulated, cross-linked polyolefin, it offers excellent electrical, chemical, and physical properties. The tubing is flame-retardant, resistant to common fluids and solvents, and halogen-free. When heated to 120 deg C, it shrinks to 50% of its supplied diameter, providing a secure and protective fit for various industrial and military applications.The Techspan HSPO-1000-0-IIL is a flexible, thin-wall heat shrink tubing made from cross-linked polyolefin. It features a 2:1 shrink ratio and a recovered wall thickness of 0.035 inches. The tubing has an expanded inner diameter of 1 inch and a recovered inner diameter of 1/2 inch, with a total length of 4 feet. It operates within a temperature range of -45 to 125 deg C, with a shrink temperature of 120 deg C. The tubing is rated for 600 V AC and is black in color.