PTFE Heat Shrinkable Sleeve,non-sticking,anti-corrosion,anti-abrasion,utraviolet resistance,light transmission,good dieletric PTFE heat shrinkable sleeve is made from PTFE ... . It has the properties of non-sticking, anti-corrosion, anti-abrasion, ultraviolet resistance and high ultraviolet light ... , and also has good dielectric property. Its heat shrinkage temperature is about 330 and its shrinkage ...