This TE Connectivity / Raychem RNF-100 series heat shrink tubing is manufactured from flexible, flame-retardant polyolefin (PO) material and comes in black color. Featuring a 2:1 shrink ratio, it has a supplied inside diameter of 9.5 mm (0.374 in) and recovers to 4.8 mm (0.189 in) upon heating. Designed for reliable performance across a wide temperature range from –55°C to +135°C, with a minimum shrink temperature of +95°C, this single-wall tubing offers excellent chemical resistance and flame-retardant properties, making it ideal for general-purpose wire and cable insulation, bundling, and mechanical protection in demanding environments.