The 305-06400 is a black self-extinguishing Heat Shrink Tubing made of thin-wall cross-linked polyolefin and offers 2:1 shrink ratio. The HFT-A-6.4/3.2 PO-X BK 300 flexible tubing is used extensively for electrical and mechanical protection. It is also well proven for sleeve marking to identify wiring circuits. It shrinks uniformly to form a permanent insulation covering.
Fast shrinking, easy handling, good mechanical strength