HELLERMANNTYTON Heat Shrink Tubing Set HIS-3 3:1, 127 Pieces, Mixed Colours, 100 mm Lengths (308-30611)

Electrical insulation and cable bundling often require a reliable, colour-coded solution that adapts to various wire diameters. The HELLERMANNTYTON HIS-3 heat shrink tubing set addresses this need with a 3:1 shrink ratio, allowing each piece to conform tightly to irregular shapes and provide durable protection.

Who is it for

This set is for electricians, technicians, and DIY enthusiasts who need a versatile assortment of thin-wall, cross-linked polyolefin tubing for insulation, bundling, mechanical protection, and colour coding in low-voltage applications.

Main features

• 3:1 shrink ratio for secure fit over connectors and splices
• 127 pieces in mixed colours: black, red, blue, yellow, green, white, and clear
• Seven pre-shrink diameters from 1.5 mm to 24 mm
• Each piece is 100 mm long
• Operating temperature range: -55°C to +135°C
• Dielectric strength > 20 kV/mm
• Flammability rating UL224 VW-1 (self-extinguishing)

Specifications

• Material: Cross-linked polyolefin
• Shrink ratio: 3:1
• Minimum shrink temperature: +90°C
• Halogen-free: No
• Adhesive lined: No
• Wall type: Thin-wall
• RoHS compliant: Yes

Tips

Use a heat gun set to at least 90°C and apply heat evenly around the tubing until it fully shrinks and conforms to the substrate. Avoid overheating to prevent discolouration or damage.