3M HSR-3000 heat shrink tubing is color-coded for quick and easy identification of wires. This split-resistant, halogen-free tubing is used as a shrinkable electrical insulation over cable splices or terminations. The tubing has a shrink ratio of 3:1, is mechanically tough, easily markable, and resistant to cold flow. It is ideal as a lightweight protective cover for wire harnesses, for marking and bundling wires, and for packaging components. It is temperature resistant from -55 to 135 °C and complies with RoHS 2011/65/EU.