Sumitube™ Is Heat-Shrinkable Tubing Which Shrinks In Radial Direction When Heated. It Is Made From Such Raw Materials As Polyolefin, Fluorine Polymer, And Thermoplastic Elastomer. A Variety Of Products Are Available To Meet Various Requests And Requirements. The Wide Array Of Applications Includes Bundling, Encapsulation, Heat And Corrosion Protection, And Insulation Of Electric Wires And Harnesses.