An elastic heat shrinkable tube made of cross-linked polyolefin with a shrink ratio of 3:1, supplied in a convenient storage box. It is internally coated with a thermoplastic adhesive that melts under heat and fills the gap between the tube and the wire, protecting against moisture ingress. The tubes are available in six sizes from 3.0 mm to 24.0 mm in black and clear colors. • Provides reliable electrical insulation• Protects against moisture and longitudinal water migration• Protects against corrosion and mechanical damage.