Convoluted tubing is offered in ETFE, FEP, PTFE, and PVDF; other resins are available. Sheathing (also known as furcation tubing or loose tube) is extruded tubing that provides a tough outer covering over the fiber optic bundle and a lubricious pathway in which optical fibers can. An optical cable sheathing line is a specialized manufacturing system used to apply protective outer layers (sheaths) around fibre optic cables during production. These sheathing lines play a vital role in ensuring the durability, performance, and environmental resistance of optical cables used in. An optical cable extrusion production line, commonly referred to as an extrusion line or sheathing line, is an industrial production system that uses an extrusion molding process to tightly coat one or multiple layers of polymer sheath onto the cable core (the component where the optical fibers. An optical cable sheath extrusion production line is a specialized set of automated industrial equipment used for extruding one or multiple polymer outer sheaths onto the optical cable core (the central component already integrating optical fibers, strengthening members, buffer layers, etc. Its. Explore 9 top manufacturers and suppliers of Fiber Optic Sheathing in our comprehensive photonics buyers' guide. These sheaths are critical for safeguarding the internal fiber from mechanical stress. Communication networks currently rely on fiber optic cables.