2:1 Halogen free flame-retardant heat shrinkable tube is made of eco-friendly cross-linking polyolefin material under irradiation.It has flexible,flame retardant,electrical insulation,welding point anticorrosion,also has passed UL,RoHS,Reach certifications for 300V and 600V.It is mainly used in electronics,telecommunication,automobiles,shipping and other manufacturing industries.Its working temperature is -55~125,shrink temperature is 84~120.