The RNF-100-1/2-BK-SP is a flexible, flame-retardant, general-purpose polyolefin tubing designed for reliable insulation and protection. It features a 2:1 shrink ratio, an operating temperature range of -55°C to 135°C, and meets UL, CSA, and military specifications. This 1/2-inch tubing has an expanded internal diameter of 12.7 mm that recovers to a maximum of 6.4 mm after heating, resulting in a nominal wall thickness of 0.64 mm. With superior abrasion and solvent resistance, it is widely used for insulating wire terminations, jacketing light-duty harnesses, and color-coding electrical connections.