Colored polyolefin flame retardant heat shrink tubing before and after thermal contraction around electrical wires
09 Oct 2026

Flame-Retardant Heat Shrink Tubing

Flame-retardant heat shrink tubing is a protective sleeve used to cover wires, cables, and electrical connections. It is made from special plastic materials that shrink when heated, fitting tightly around the wire. It is designed to resist catching fire easily and help prevent flames from spreading.

Key Benefits & Uses

  • Fire Safety: Helps reduce the spread of flames and may stop burning when the flame source is removed, depending on the product's rating.
  • Electrical Insulation: Covers exposed wires and connections to help prevent short circuits.
  • Protection: Protects wires from scratches, dust, and everyday wear. Adhesive-lined tubing can also help protect against moisture.
  • Wide Applications: Commonly used in automotive wiring, electrical equipment, industrial machinery, and electronic devices.

Flame-retardant heat shrink tubing combines electrical insulation, physical protection, and flame resistance to help improve the safety and reliability of electrical connections.

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