F4211IN BK105 — 4:1 Heat Shrink Tubing from Alpha

Alpha F4211IN BK105 is a black 4:1 heat shrink tubing made from rugged cross-linked polyolefin (XLPO) for exceptional insulation and long-term protection. With a nominal inner diameter of 1.0 inch and a recovered inner diameter of 0.26 inches, it performs reliably in temperatures from -55C to 135C. Over-expanded except wall thickness, this tubing meets UL VW-1, CA Prop 65, AMS DTL-23053/5 Class 1, and RoHS compliance standards. Weighing approximately 0.641 lbs per 1,000 feet, it is ideal for electrical insulation, sealing, and mechanical protection in industrial, automotive, and aerospace applications.