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Product Description
The Heat Shrink Tubing 3mm Blue is an essential insulation and protection accessory designed for electronics work, wiring harnesses, solder joints, and custom cable management. Featuring a 3mm pre-shrink diameter that contracts securely upon the application of heat, this flexible polyolefin tubing provides electrical insulation, mechanical abrasion protection, and strain relief for wires and components. The vibrant blue color also allows for clean, color-coded circuit identification.
Essential for insulating spliced wires, protecting LED strip connections, and organizing custom robotics wiring, this durable heat shrink tubing combines professional finish with easy application.
🔥 Heating Tip: Use a heat gun or a controlled lighter flame moving evenly back and forth along the tubing to shrink it uniformly without scorching or melting the plastic.
Technical & Architectural Highlights
3mm Initial Diameter: Perfectly sized for insulating individual wire splices, resistor/diode legs, and small component leads.
2:1 Shrink Ratio: Contracts securely around wires and components upon heating for a snug, permanent fit.
Flexible Polyolefin Material: Provides reliable electrical insulation, flame resistance, and mechanical protection against wear and tear.
Color-Coded Identification: Bright blue finish helps organize positive/negative rails, signal lines, or specific sub-circuits in your builds.
Technical Specifications
| Parameter | Value / Specification |
| Product Type | Polyolefin Heat Shrink Tubing |
| Inside Diameter (As Supplied) | 3 mm |
| Color | Blue |
| Shrink Ratio | Approx. 2:1 |
| Operating Temperature | -55°C to +125°C |
| Minimum Shrink Temperature | Approx. +70°C |
| Full Recovery Temperature | Approx. +110°C |
Applications
Wire Splicing & Joint Insulation: Protecting soldered wire connections from short circuits and corrosion.
Cable Management & Harnessing: Organizing and bundling multi-wire connections in robotics and control panels.
Color Coding: Differentiating specific voltage rails, signal paths, or auxiliary lines in complex electronics projects.
What’s in the Box
Heat Shrink Tubing 3mm Blue (Cut to ordered length, e.g., 1 Meter or specified roll).
All your electronics components, wiring accessories, and workshop tools are available with fast shipping across Egypt from Pro Tronix!
