Available in single wall tubing and dual wall tubing, our heat shrinkable tubing is engineered for use in numerous applications, including back-end connector sealing, breakouts, and connector-to-cable transitions. It is a solid alternative to taping, molding, or potting. When heated, these tubes contract tightly around the fiber, providing mechanical strength, environmental protection, and long-term durability. They are essential in. Fiber Heat Shrink Tube, also referred to as Fiber Splice Tubes, Fusion Protection Tube, or Splice Protection Tube, plays a crucial role in modern communication networks.