F221L3/4 BK004

F221L3/4 BK004 — 2:1 Heat Shrink Tubing from Alpha

Alpha F221L3/4 BK004 is a black 2:1 heat shrink tubing made from low-smoke, zero-halogen (LSZH) material, designed to perform in temperatures from -55C to 125C. With a nominal inner diameter of 0.75 inches that recovers to 0.375 inches, it offers reliable insulation and protection for medium wiring and cable assemblies. This tubing meets strict safety and environmental standards including CA Prop 65, UL 224, UL VW-1, RoHS, and REACH Regulation compliance. Ideal for applications requiring enhanced fire safety and reduced smoke emissions, such as public infrastructure, transportation, and industrial environments.