HELLERMANNTYTON HIS-3 Heat Shrink Tubing Set, 3:1, 128 pcs, Assorted Colours, 100 mm 308-31212

Electrical connections and cable splices need reliable insulation and protection. This heat shrink tubing set provides a convenient assortment of cross-linked polyolefin sleeves that shrink to one-third of their original diameter when heated, creating a tight, durable seal around wires and connectors.

Who is it for

Electricians, technicians, and DIY enthusiasts who need a versatile kit for insulating, bundling, and colour-coding wires in automotive, marine, and general electrical work.

Main features

• 3:1 shrink ratio for a snug fit over connectors and irregular shapes
• 128 pieces in assorted colours: black, red, blue, yellow, green/yellow, white, and clear
• Pre-cut 100 mm lengths in six diameters: 1.5, 3.0, 4.5, 6.0, 9.0, and 12.0 mm
• Cross-linked polyolefin material is halogen-free and RoHS compliant
• Operating temperature range from -55°C to +135°C
• Supplied in a dispenser box for easy storage and access

Specifications

• Shrink ratio: 3:1
• Material: Cross-linked polyolefin
• Minimum shrink temperature: +90°C
• Dielectric strength: 20 kV/mm
• Flammability rating: UL94 V2
• Halogen-free: Yes
• RoHS compliant: Yes
• Colours included: Black, red, blue, yellow, green/yellow, white, clear
• Number of pieces: 128
• Tube length: 100 mm per piece
• Pre-shrink diameters: 1.5, 3.0, 4.5, 6.0, 9.0, 12.0 mm
• Post-shrink diameters: 0.5, 1.0, 1.5, 2.0, 3.0, 4.0 mm

Tips

Use a heat gun or lighter to evenly apply heat around the tubing until it conforms tightly to the underlying surface. Avoid overheating to prevent damage.