4.5mm Heat Shrink Tubing 2:1 Ratio – Electrical Wire Sleeving, 7 Colors, 1M–100M
4.5mm Heat Shrink Tubing 2:1 Ratio – Electrical Wire Sleeving, 7 Colors, 1M–100M
4.5mm Heat Shrink Tubing 2:1 Ratio – Electrical Wire Sleeving, 7 Colors, 1M–100M
4.5mm Heat Shrink Tubing 2:1 Ratio – Electrical Wire Sleeving, 7 Colors, 1M–100M
4.5mm Heat Shrink Tubing 2:1 Ratio – Electrical Wire Sleeving, 7 Colors, 1M–100M
4.5mm Heat Shrink Tubing 2:1 Ratio – Electrical Wire Sleeving, 7 Colors, 1M–100M
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4.5mm Heat Shrink Tubing 2:1 Ratio – Electrical Wire Sleeving, 7 Colors, 1M–100M4.5mm Heat Shrink Tubing 2:1 Ratio – Electrical Wire Sleeving, 7 Colors, 1M–100M4.5mm Heat Shrink Tubing 2:1 Ratio – Electrical Wire Sleeving, 7 Colors, 1M–100M4.5mm Heat Shrink Tubing 2:1 Ratio – Electrical Wire Sleeving, 7 Colors, 1M–100M4.5mm Heat Shrink Tubing 2:1 Ratio – Electrical Wire Sleeving, 7 Colors, 1M–100M4.5mm Heat Shrink Tubing 2:1 Ratio – Electrical Wire Sleeving, 7 Colors, 1M–100M

4.5mm Heat Shrink Tubing 2:1 Ratio – Electrical Wire Sleeving, 7 Colors, 1M–100M

HomeDIYer
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By HomeDIYer®

Price:
$1.75 USD
Stock:
In stock (500 units), ready to be shipped

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Description

4.5mm Heat Shrink Tubing 2:1 — Reliable Wire Insulation for Every Project

Whether you're repairing a frayed automotive harness, tidying up RC car wiring, or protecting electrical connections in a home workshop, loose or exposed wires are a safety hazard and a frustration. DIYers, hobbyists, and electricians alike need a sleeving solution that goes on cleanly, shrinks uniformly, and stays put.

This 4.5mm heat shrink tubing ships in a single continuous roll — available in lengths from 1M (≈3.3 ft) to 100M (≈328 ft) — so you can cut exactly what you need without waste. Made from polyolefin with a 2:1 shrink ratio, the supplied inner diameter is 4.5mm and shrinks down to approximately 2.25mm upon heating. Seven color options (Black, White, Red, Green, Yellow, Blue, Transparent) make color-coded wiring organization straightforward.

Typical use cases include automotive wire repair and loom protection, RC vehicle and drone wiring, home electrical DIY projects, and cable management in workshop or garage setups — all scenarios where a clean, insulated finish on a heat shrink wire sleeve makes a real difference.

⚠️ This is a standard (non-adhesive-lined) 2:1 tubing. It does not form a waterproof seal. For fully sealed connections, consider an adhesive-lined 3:1 variant.
🔌 Compatibility: Fits wire bundles and connectors up to approximately 4mm in diameter. Suitable for 10–14 AWG single conductors (generally). Compatible with standard heat guns; activates at approximately 90°C (194°F).

✅ Key Features of These 4.5mm Heat Shrink Tubing Sleeves

  • 🔥2:1 Shrink Ratio — Shrinks from 4.5mm down to approximately 2.25mm for a snug, uniform fit over wires and connectors without bunching or slipping.
  • 🎨7 Color Options — Black, White, Red, Green, Yellow, Blue, and Transparent allow color-coded wire identification, making electrical heat shrink sleeving organization fast and intuitive.
  • 📏Flexible Length Selection — Choose from 1M to 100M rolls so you buy only what your project requires, whether it's a single repair or a full wiring harness job.
  • 🛡️Polyolefin Construction — Offers solid electrical insulation, moisture resistance, and abrasion protection — characteristics that make polyolefin the standard material for wire insulation tubing across automotive, marine, and DIY applications.
  • ✂️Cut-to-Length Convenience — The continuous roll format means you can trim any length with scissors before application, eliminating pre-cut waste common with assortment kits.
  • ⚡Broad Application Range — Works across automotive wiring repair, RC and drone builds, home electrical DIY, and workshop cable management — anywhere a clean heat shrink wire sleeve finish is needed.

📐 Technical Specifications — 4.5mm Heat Shrink Tubing

Supplied Inner Diameter 4.5mm (≈0.18")
Recovered Inner Diameter Approximately 2.25mm (≈0.09") after full shrink
Shrink Ratio 2:1
Material Polyolefin
Activation Temperature Typically ~90°C (194°F)
Full Shrink Temperature Typically ~120°C (248°F)
Colors Available Black, White, Red, Green, Yellow, Blue, Transparent
Available Lengths 1M, 2M, 5M, 10M, 20M, 50M, 100M
Adhesive Lined No (standard non-adhesive)
Voltage Rating See variant options / Contact us to confirm
Wall Thickness (recovered) See variant options
Application Tool Heat gun recommended

❓ Frequently Asked Questions

What shrink ratio does this tubing use, and what does that mean?

This tubing uses a 2:1 shrink ratio, meaning it shrinks to approximately half its original diameter when heat is applied. The 4.5mm supplied diameter shrinks down to roughly 2.25mm, making it suitable for wires and connectors in that range.

How do I choose the right length for my project?

Measure the total run of wire or cable you need to cover, then add 10–15% for trimming and overlap. For small repairs, 1M or 2M is typically sufficient. For automotive wiring harnesses or larger installations, 10M–50M rolls are generally more economical. The 100M roll is best suited for workshop stock or professional use.

What temperature is needed to shrink this tubing?

Standard 2:1 polyolefin heat shrink tubing generally activates at around 90°C (194°F) and fully shrinks at approximately 120°C (248°F). A heat gun is the recommended tool; a lighter can work for small sections but may cause uneven shrinkage or scorching.

Can this tubing be used outdoors or in wet environments?

Standard polyolefin heat shrink tubing is generally moisture-resistant and suitable for light outdoor use. However, it is not adhesive-lined, so it does not create a fully waterproof seal. For submersed or high-moisture applications, an adhesive-lined (3:1) variant is typically recommended.

What wire gauges does 4.5mm heat shrink tubing fit?

A 4.5mm supplied diameter typically fits wire bundles or connectors up to approximately 4mm in diameter before shrinking. This generally corresponds to wire gauges in the range of 10–14 AWG (single conductors) or small multi-wire bundles. Always measure your wire or connector outer diameter before ordering to confirm fit.

Is this tubing compatible with automotive and marine wiring?

Yes, polyolefin heat shrink tubing is commonly used in automotive, marine, and RV wiring applications. It provides insulation, abrasion resistance, and strain relief. For marine environments with constant water exposure, an adhesive-lined version offers a more robust seal.

Can I cut this tubing to custom lengths?

Yes. The tubing can be cut to any length with standard scissors or a utility knife before application. Cutting at a slight angle makes threading over connectors easier and reduces fraying at the cut end.

🛒 Select your color and length above, then add to cart — ships from our US warehouse.

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