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20/02/2026

Heat shrinkable tubing 3:1 - flexible and transparent
Art.-No. 333-21803 | TF34-18/6-PO-X-CL

3:1 shrink ratio tubing is ideal in many applications.

Heat Shrink Tubing 3:1

TF34 transparent tubing with 3:1 shrink ratio allowing for a wider range of application.

Tubing is 3:1, thin wall and flexible.
Transparent color provides high visibility of the substrate underneath.
Material provides good insulation and is Halogen Free.

Package size

30 m

60 m

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Base Data

Application	Protects wire and cable markers subject to abuse, while permitting inspectability of each item covered. Protects electronic components while permitting their identification and inspection.
Brand Family	TF34
Color	Clear (CL)
Description	TF34 Heat Shrink is a thin wall tubing used for general purpose applications, bundling and jacketing of cables where visual inspection is required. Polyolefin material provides good insulation and is Halogen Free. Available in multiple diameters and 98.43' (30 m) lengths. ROHS approved.
PART DESCRIPTION	TF34-18/6-PO-X-CL
Packaging Type	reel
Part No.	333-21803
Product family	Insulation
Type	TF34-18/6

Product Dimensions


For Object Outside Diameter	8.4-15.6 mm
Longitudinal Change After Shrinkage	-5% max.
Printable	No
Recovered Diameter (metric)	6.0mm
Shrink Ratio	3:1
Supplied Diameter (metric)	18.0mm
Wall Thickness (metric)	1.00mm

Downloads

RoHS datasheet

Download

Material and Specifications

Dielectric Strength	46kV/mm
Halogen Free	Yes
Material	PO-X
Material	Polyolefin, cross-linked (PO-X)
Min. Shrink Temperature	+230 °F (+110 °C)
Operating Temperature	-67°F to +275°F (-55°C to +135°C)
ROHS compliant	Yes

Logistic and Packaging

Packaging 1 - Weight (kg)	0.653kg
Pkg. Qty.	60m

More Information

Calculators

Calculator tool for Heat Shrink Tubing

Calculator tool for Heat Shrink Tubing

for TF34-18/6 - Art.-No.: 333-21803
In selecting the right shrink tubing size it is important to consider to "80:20 rule". Shrink tubing should recover at least 20% and maximum 80% of its potential shrink range.
According to which specification would you like to check if the selected product is suitable for your application?

diameter

Please enter either the smallest and/or the largest outer diameter of the substrate.

Min mm Max mm

Cross-Section

Please enter either the smallest and/or largest cross-section of the object to be covered.

Min mm² Max mm²

perimeter

Please enter either the smallest and/or largest perimeter of the object to be covered.

Min mm Max mm
Wall thickness calculator

Wall thickness calculator

for TF34-18/6 - Art.-No.: 333-21803

Depending on the substrate dimensions when Heat shrink tubing is recovered the diameter and the wall thickness will change. This Calculator aims to offer a theoretical wall thickness for this situation.Please enter the outer diameter of the object to be covered

Outer diameter of object (A)

mm

Inner diameter of tubing after shrinking (B)

mm

Wall thickness fully recovered ( C )

mm

Solutions

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