HellermannTyton 323-10120 Heat Shrink Tubing Assortment, 2:1, Polyolefin, 120 Pieces, 100 mm Lengths, Black/Red/Blue/Yellow/Green/White

This heat shrink tubing assortment delivers 120 pre-cut polyolefin sleeves in six colours, covering eight diameters from 1.6 mm to 19.1 mm. With a 2:1 shrink ratio and a wide operating range from -55°C to +125°C, it handles insulation, bundling, strain relief and colour coding in one box.

Overview

The HellermannTyton 323-10120 is a 120-piece heat shrink tubing assortment kit. Each sleeve is 100 mm long and made from flexible polyolefin that shrinks to half its supplied diameter when heated above +90°C. The kit includes black, red, blue, yellow, green and white tubing in eight pre-shrink diameters: 1.6 mm, 2.4 mm, 3.2 mm, 4.8 mm, 6.4 mm, 9.5 mm, 12.7 mm and 19.1 mm. The assortment is supplied in a compartmented box for easy selection.

What stands out

• 2:1 shrink ratio provides a snug fit over irregular shapes.
• Polyolefin material is flexible, flame-retardant to UL224 VW-1, and rated for -55°C to +125°C.
• Dielectric strength of 20 kV/mm offers reliable electrical insulation.
• Six colours enable clear circuit identification and colour coding.
• Assortment box keeps different diameters organised and accessible.

Technical details

• Shrink ratio: 2:1
• Material: Polyolefin
• Operating temperature: -55°C to +125°C
• Minimum shrink temperature: +90°C
• Dielectric strength: 20 kV/mm
• Flammability: UL224 VW-1 (self-extinguishing)
• Total pieces: 120
• Length per piece: 100 mm
• Colours: black, red, blue, yellow, green, white
• Pre-shrink diameters: 1.6 mm (20 pcs), 2.4 mm (20 pcs), 3.2 mm (20 pcs), 4.8 mm (20 pcs), 6.4 mm (10 pcs), 9.5 mm (10 pcs), 12.7 mm (10 pcs), 19.1 mm (10 pcs)
• Packaging: Assortment box

Our verdict

A practical multi-size heat shrink kit for workshop, field service or prototyping. The mix of diameters and colours covers common wire gauges and makes identification straightforward.