This Techspan HSPO-187-0-IIL is a general-purpose, thin-wall heat shrink tubing made from a specially formulated, cross-linked polyolefin. It offers excellent electrical, chemical, and physical properties, making it a tough and flexible solution for insulation, harnessing, strain relief, and identification in various industrial and military applications. It is flame-retardant, resistant to common fluids and solvents, and halogen-free. When heated to 120 deg C, it shrinks unrestricted to 50% of its supplied diameter.The Techspan HSPO-187-0-IIL is a flexible, thin-wall heat shrink tubing made of polyolefin. It has an expanded inner diameter of 0.188 inches and a recovered inner diameter of 0.094 inches, with a recovered wall thickness of 0.02 inches. The tubing has a 2:1 shrink ratio and requires a shrink temperature of 120 degrees Celsius. It is rated for 600 VAC and operates within a temperature range of -45 to 125 degrees Celsius. Each piece is 4 feet in length and comes in black.