This Techspan HSPO-750-0-IIL heat shrink tubing is a general-purpose, thin-wall solution made from cross-linked polyolefin. It provides excellent electrical, chemical, and physical properties, making it ideal for insulation, harnessing, strain relief, and identification in industrial and military applications. 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, offering a secure and protective fit.The Techspan HSPO-750-0-IIL is a flexible, thin-wall heat shrink tubing with a 2:1 shrink ratio. It expands to an inner diameter of 3/4 inch and recovers to 3/8 inch with a recovered wall thickness of 0.032 inches. The tubing is made of black polyolefin and has a length of 4 feet. It operates within a temperature range of -45 to 125 deg C, with a shrink temperature of 120 deg C. It also has a voltage rating of 600 VAC.