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20/02/2026

Heat Shrinkable Tubing 2:1 VG-Norm 3.2/1.6 black
Art.-No. 305-03200 | HFT-A-3.2/1.6-PO-X-BK

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

Heat Shrink Tubing 2:1

This flexible heat shrink tubing has many excellent properties including fast shrinking, easy handling, good mechanical strength and resistance against chemicals and solvents.
It is UL-224 and CSA approved, easy to print on and available in a wide range of colours and internal diameters up to 4 inches (101.6mm) wide.

Package size

100 m

400 m

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Heat shrinkable tubing 2:1 - flexible and coloured >

Base Data

Application	This high performance thin wall tubing is used extensively for electrical and mechanical protection. It is also well proven for sleeve marking to identify wiring circuits.
Behaviour At Low Temperature	not cracking
Behaviour at low Temperature test method	IEC 60684-2
Brand Family	HFT-A-Series
Color	Black (BK)
Heat Shock Elongation	390%
Heat Shock Tensile Strength	13MPa
Heat Shock Test	4h/200°C
Heat shock test test method	IEC 60684-2
PART DESCRIPTION	HFT-A-3.2/1.6-PO-X-BK
Packaging Type	meter
Part No.	305-03200
Product family	Insulation
Short Desc.	HFT-A is coloured and self extinguishing. HFT-B is transparent and halogen free.
Type	HFT-A-3.2/1.6

Product Dimensions


For Object Outside Diameter	1.92-2.88 mm
Longitudinal Change After Shrinkage	-5% max.
Printable	No
Recovered Diameter (metric)	1.6mm
Shrink Ratio	2:1
Size (imperial)	1/8"
Supplied Diameter (metric)	3.2mm
Volume Resistance	10¹⁴ Ω cm
Wall Thickness (metric)	0.50mm

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Material and Specifications

CSA Certified	Yes
Dielectric Strength	21kV/mm
Dielectric Strength test method	IEC 60684-2
Elongation at break (min.)	400%
Elongation at break test method	IEC 60684-2
Flammability	UL 224 VW-1
Halogen Free	No
Material	PO-X
Material	Polyolefin, cross-linked (PO-X)
Min. Shrink Temperature	+275 °F (+135 °C)
Operating Temperature	-67°F to +275°F (-55°C to +135°C)
REACH Conformity	Yes
ROHS compliant	Yes
Test Method Tensile Strength	IEC 60684-2
UL File Number [Logo]	E143529 [RU]
UL Listed (US and Canada)	No
UL Recognized (US)	Yes
Volume Resistance test method	IEC 60684-2

Logistic and Packaging


Packaging 1 - Weight (kg)	2.096kg
Pkg. Qty.	400m

More Information

Calculators

Calculator tool for Heat Shrink Tubing

Calculator tool for Heat Shrink Tubing

for HFT-A-3.2/1.6 - Art.-No.: 305-03200
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 HFT-A-3.2/1.6 - Art.-No.: 305-03200

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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