F3001/4 BK103 — Heat Shrink Tubing from Alpha

Alpha F3001/4 BK103 is a black dual-wall heat shrink tubing made from flame-retardant, cross-linked polyolefin (SR XLPO). With a nominal inner diameter of 0.25" and a recovered inner diameter of 0.08", it weighs approximately 0.036 lbs per 1,000 feet. Rated for -55C to 125C, this tubing meets AMS DTL-23053_4 Class 1, RoHS, UL 224 (except clear), and CA Prop 65 standards. It is ideal for aerospace, military, and industrial applications requiring superior environmental sealing and mechanical protection.