heat shrink tube Shrink ratio: 2:1, 3:1, 4:1 Halogen free, environmental friendly Comply with RoHS Dia from 0.6 to 180mm Heat shrink tube S2 (n) Halogen Free Heat Shrinkable Tubing Voltage Class 600V~1kV Ideal for electronic wire and component insulation and protection Heat Shrinkable tubing with all new halogen free formula. Environmental friendly, will not result in toxic smoke or harmful ...