Heat shrink tubing is widely used in electrical applications primarily because it offers excellent electrical insulation. This ensures that wires, connectors, and other components do not short-circuit or have unnecessary current leakage when in operation.
Once shrunk, the tubing tightly adheres to the wire or component, providing an additional protective layer. This helps prevent mechanical damages, wear, and other potential external impacts.
The tubing provides a sealed environment for components, preventing the intrusion of moisture, salts, corrosive materials, etc. This sealing capability helps extend the life of electrical components and reduces maintenance needs.