Heat shrink tubing TFN21 1.6/0.8 309-61001

Hellermann Heat Shrink Tubing (Sleeving) – TFN21 and TFN31

Reliable Cable and Wire Insulation

Heat shrink tubing is an essential piece of equipment for installers, electricians, and anyone servicing wires and cables. Thanks to its thermal shrinking properties, it provides excellent insulation, mechanical protection, and an aesthetically pleasing finish to connections. We offer high-quality HellermannTyton heat shrink tubing from the popular TFN21 and TFN31 series.

Hellermann TFN21 Heat Shrink Tubing

The TFN21 series is heat shrink tubing with a 2:1 shrink ratio. They are available in a wide range of diameters – from 1.2 mm to 125 mm before shrinking.

• Shrink ratio 2:1
• Wall thickness from 0.40 to 1.40 mm
• Color black (BK)
• Roll length: 30 m

TFN21 tubing provides excellent electrical insulation and mechanical resistance. It is a universal solution for wire repairs, cable insulation, and solder joint protection.

Hellermann TFN31 Heat Shrink Tubing

The TFN31 series offers heat shrink tubing with a higher shrink ratio of 3:1, particularly suitable for applications requiring greater conformity to wires of varying diameters. Diameters range from 1.5 mm to 39 mm before shrinking.

• Shrink ratio 3:1
• Wall thickness from 0.45 to 1.25 mm
• Color black (BK)
• Roll length: 30 m

Thanks to their higher shrink ratio, TFN31 sleeves are ideal for insulating irregularly shaped components or where a tighter fit is required.

Why choose Hellermann sleeves?

• High quality and reliability – HellermannTyton products are used in industrial, automotive, and energy sectors.
• Damage resistance – effective protection against abrasion, moisture, and the effects of environmental factors. external,
• Easy installation – quick heat shrinking (e.g., heat gun),
• Universal use – wire repairs, cable insulation, marking, and securing connections.

If you're looking for reliable solutions for cable and wire insulation, Hellermann TFN21 and TFN31 heat shrink tubing are the perfect choice. Various diameters, a tailored shrink ratio, and high-quality workmanship make them suitable for both professional industrial installations and home applications.

Check out our offer and choose the right series of Hellermann heat shrink tubing tailored to your needs!