HellermannTyton 380-04004 TF21 Heat Shrink Tubing, 2:1, 4.0 mm, Black, 10 m

The HellermannTyton 380-04004 stands out as a halogen-free heat shrink tubing that combines a 2:1 shrink ratio with a wide operating temperature range from -55 °C to +135 °C. Its cross-linked polyolefin construction provides reliable electrical insulation and mechanical protection for cable joints, terminations, and bundles.

Highlights

• Supplied inner diameter: 4.0 mm; recovers to 2.0 mm for a snug fit
• Halogen-free, flame-retardant material meets UL94 V0
• Flexible and chemically resistant for demanding environments
• 10 m length in black, ideal for color coding and insulation

In daily use

This tubing shrinks at a minimum temperature of +90 °C, making it suitable for use with heat guns. The recovered wall thickness of 0.45 mm provides robust abrasion protection, while the dielectric strength of 20 kV/mm ensures electrical safety in low-voltage applications.

Full specifications

• Type: Heat shrink tubing
• Series: TF21
• Material: Cross-linked polyolefin (PO-X)
• Shrink ratio: 2:1
• Supplied inner diameter: 4.0 mm
• Recovered inner diameter: 2.0 mm
• Recovered wall thickness: 0.45 mm
• Colour: Black
• Length: 10 m
• Operating temperature: -55 °C to +135 °C
• Minimum shrink temperature: +90 °C
• Dielectric strength: 20 kV/mm
• Flammability rating: UL94 V0
• Halogen-free: Yes
• Chemical resistance: Good
• Flexibility: Flexible
• Approvals: UL, CSA, VDE, RoHS Compliant
• Application: Electrical insulation, mechanical protection, cable bundling, color coding

Final note

The HellermannTyton 380-04004 is a dependable choice for professionals needing a flexible, halogen-free tubing that performs consistently across a broad temperature range.