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20/02/2026

Heat Shrinkable Tubing 2:1 (51/25.4) black
Art.-No. 342-35080 | PST-HT-51.0/25.4-POA-BK

The benefit of the thin walled and very flexible PST-HT tubing is in its lighter weight.
It is especially used when weight is a key factor e.g. for aerospace applications like helicopters.

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Heat Shrinkable Tubing 2:1 - Elastomer >

Base Data

Application	PST-HT is used for long-term protection of cables and wire harnesses in military equipment, motor sports, and aviation.
Color	Black (BK)
Elongation At Heat Aging	350%
Heat Shock Tensile Strength	14
PART DESCRIPTION	PST-HT-51.0/25.4-POA-BK
Packaging Type	meter
Part No.	342-35080
Product family	Insulation
Type	PST-HT-51.0/25.4

Product Dimensions


For Object Outside Diameter	30.52-45.88 mm
Longitudinal Change After Shrinkage	-10% max.
Recovered Diameter (metric)	25.4mm
Shrink Ratio	2:1
Size (imperial)	2"
Supplied Diameter (metric)	51.0mm
Wall Thickness (metric)	1.20mm

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Technical datasheet

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Material and Specifications

Dielectric Strength	20kV/mm
Dielectric Strength test method	IEC 684 P2
Elongation at break (min.)	450%
Material	POA
Material	Elastomer, Cross-Linked (POA)
Min. Shrink Temperature	+275 °F (+135 °C)
Operating Temperature	-103°F to +302°F (-75°C to +150°C)
ROHS compliant	Yes

Logistic and Packaging

Packaging 1 - Weight (kg)	2.4225kg
Pkg. Qty.	20m

More Information

Calculators

Calculator tool for Heat Shrink Tubing

Calculator tool for Heat Shrink Tubing

for PST-HT-51.0/25.4 - Art.-No.: 342-35080
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 PST-HT-51.0/25.4 - Art.-No.: 342-35080

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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