Heat Shrink Tube | Railwayscenics

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Heat Shrink Tube

Heat shrink tubing is a mechanically expanded extruded plastic tube usually made from nylon or polyolefin, which shrinks when heated in an effort to return to the relaxed diameter it originally had when extruded. Heat shrink tubing is rated by its expansion ratio, a comparison of the differences in expansion and recovery rate.

Heat shrink is used to insulate wires, providing abrasion resistance and environmental protection for stranded and solid wire conductors, connections, joints and terminals in electrical engineering. It can also be used to repair the insulation on wires or to bundle them together, to protect wires or small parts from minor abrasion, and to create cable entry seals, offering environmental sealing protection.