Heat Shrink Tube for fiber optic closure is made from heavy wall cross-linked polyolefin, coated with spiral polyamide adhesive inside the wall. It has high shrink ratio of 4:1 and wide temperature range, Ideal for aerial and underground applications, especially for Fiber optic dome splice closure.
Dual Wall Heat Shrink Tubing is made from polyolefin materials, coated with a layer of thermosol inside. When it is heated, the internal thermosol will shrink to the external wall and fill the clearance. It is widely used for water and air tightness of wiring for electronic equipment, the sealing of wiring branch, rust protection of metal wires and the remedy of wires and cables.