Heat Shrink Tubing Black – 1mm to 3.5mm Sizes 5m| Insulation Sleeve for Wires & Electronics

A versatile set of black heat shrink tubing designed for insulating, protecting, and organising wires in electronics and DIY projects. Available in multiple sizes from 1mm to 3.5mm, this tubing provides a secure and professional finish for cable connections.

When heated, the tubing shrinks tightly around wires, offering electrical insulation, strain relief, and protection against wear.

Available sizes

• 1mm
• 1.5mm
• 2mm
• 2.5mm
• 3mm
• 3.5mm

Key features

• Heat shrinkable for a tight, secure fit
• Provides electrical insulation
• Protects wires from abrasion and damage
• Improves cable organisation and appearance
• Flexible and easy to cut to length
• Suitable for a wide range of wire sizes

How to use

1. Slide the tubing over the wire or connection
2. Apply heat using a heat gun, lighter, or hot air
3. Allow the tubing to shrink and form a tight seal

Specifications

Common applications

• Wire insulation and protection
• Solder joint covering
• Cable bundling and management
• Arduino and electronics projects
• Automotive wiring repairs
• DIY electrical work

Important notes

• Choose a size slightly larger than the wire before shrinking
• Avoid overheating to prevent damage
• Ensure even heating for a clean finish

Tip: For best results, use a heat gun instead of an open flame for even and controlled shrinking.