2:1 Polyolefin Tube Sleeving Heat Shrink TubingCharacteristicsHalogen free,Website:http://www.fiberglasssleeving.net, non-smoke, non-toxic, flame-retardant, soft, quick shrink, stable ... ºCStructureHalogen free flame-retardant heat shrinkable tube is made of eco-friendly cross-linking polyolefin material under irradiation. It has environment-friendly, flexible, flame retardant, quick shrink ...