Thin Wall 2:1 Heat Shrink Tubing Handy Pack Black 1.5mm Dia x 20 Metres

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Sleeving Diameter
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  • Will shrink down to half their original diameter when exposed to heat.
  • Tough and strong yet very flexible and easy to handle.
  • Available in a selection of colours and multiple sizes.

Our Heat Shrink Tubing Dispenser Packs are ideal for those of you who go through a bit of heat shrink but don’t want to buy the larger industrial rolls. Our Thin Wall Heat Shrink Tubing has a 2:1 shrink ratio which means 20mm diameter sleeving will shrink down to just 10mm when heated. It does not have any adhesive lining and is incredibly flexible and easy to handle.

Dispenser packs of Heat Shrink Tube are available in a huge selection of sizes and colours. The length of these handy rolls varies depending on the size of the sleeving (smaller sizes are in longer rolls). It should also be mentioned that even though these are the thin wall grade, they’re still incredibly tough and ideal for protecting cable joins from abrasion. They’ll shrink when exposed to temperatures of just 90°C and, once shrunk tolerate temperatures of up to 125°C and are UV stabilised, flame retardant and self-extinguishing (except for clear).

Please note this style of heat shrink tubing is not adhesive lined. The sizes listed on this page are their pre-shrunk size (i.e. 10mm listed here will shrink to 5mm)


  • Protecting and insulating cable joins
  • Serving as an outer protective layer for softer primary insulation
  • Wire harnessing
  • Bundling cables and wires
  • Lead, component, wire and cable identification (colour coding)
  • Bus bar and switchgear insulation


What’s the easiest way to get them to shrink?

This really depends on what you have available. A heat gun is ideal though a simple hair dryer will do the trick. We don’t encourage it for safety reasons but we do know (from experience we’re sorry to admit) that a naked flame from a lighter will do the job as well.

How to I cut it?

Scissors, Stanley knife, steak knife or any sharp implement will do the job.

Can I buy other roll lengths?

Unfortunately, no. While we are able to offer our Heat Shrink Tube in 1.2 Metre Lengths, these handy pack rolls and industrial length spools we haven’t yet worked out a way to be able to offer custom length rolls in an economical way. We’ll keep working on this though and update this answer as soon as we have the problem solved.

How will I know when it’s stopped shrinking?

There’s no real way to tell other than direct observation.

How long does it take to shrink?

Technically, it depends on the degree of heat applied. That said, we’re guessing you’re after a general answer. In that case we can safely say that it’s seconds, not hours. If you can’t see it shrinking it’s either because it has as much as it can or there’s not enough heat being applied.

Shrink Ratio: 2:1

Colour(s): Black, Blue, Green, Clear, Red, White, Yellow, Green / Yellow (Striped)

Continuous Operating Temperature: -55°C to +125°C (IEC216)

Dielectric Strength: >20 kV/mm (ASTM D2671)

Fungus Resistance: Inert (MIL-1-7444)

Elongation: 300% (ASTM D638)

Longitudinal Change: >3% (ASTM D638)

Heat Shock (250°C for 4 Hours): No Dripping, Cracking or Flowing

Copper Corrosion: Good (Resistant) (ASTM D2671-B)

Meets ROHS Requirements: Yes (Except Green and Yellow)


MIL-1-23053/5 Class 2&3

UL224, 125°C VW1

CSA C22.2 No. 198.1 OFT

SKU SWP000046

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