2:1 Heat Shrink Tubing — Electrical Wire Sleeve, φ0.6mm–φ2mm, 7 Colors
2:1 Heat Shrink Tubing — Electrical Wire Sleeve, φ0.6mm–φ2mm, 7 Colors
2:1 Heat Shrink Tubing — Electrical Wire Sleeve, φ0.6mm–φ2mm, 7 Colors
2:1 Heat Shrink Tubing — Electrical Wire Sleeve, φ0.6mm–φ2mm, 7 Colors
2:1 Heat Shrink Tubing — Electrical Wire Sleeve, φ0.6mm–φ2mm, 7 Colors
2:1 Heat Shrink Tubing — Electrical Wire Sleeve, φ0.6mm–φ2mm, 7 Colors
2:1 Heat Shrink Tubing — Electrical Wire Sleeve, φ0.6mm–φ2mm, 7 Colors
2:1 Heat Shrink Tubing — Electrical Wire Sleeve, φ0.6mm–φ2mm, 7 Colors
2:1 Heat Shrink Tubing — Electrical Wire Sleeve, φ0.6mm–φ2mm, 7 Colors
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2:1 Heat Shrink Tubing — Electrical Wire Sleeve, φ0.6mm–φ2mm, 7 Colors2:1 Heat Shrink Tubing — Electrical Wire Sleeve, φ0.6mm–φ2mm, 7 Colors2:1 Heat Shrink Tubing — Electrical Wire Sleeve, φ0.6mm–φ2mm, 7 Colors2:1 Heat Shrink Tubing — Electrical Wire Sleeve, φ0.6mm–φ2mm, 7 Colors2:1 Heat Shrink Tubing — Electrical Wire Sleeve, φ0.6mm–φ2mm, 7 Colors2:1 Heat Shrink Tubing — Electrical Wire Sleeve, φ0.6mm–φ2mm, 7 Colors2:1 Heat Shrink Tubing — Electrical Wire Sleeve, φ0.6mm–φ2mm, 7 Colors2:1 Heat Shrink Tubing — Electrical Wire Sleeve, φ0.6mm–φ2mm, 7 Colors2:1 Heat Shrink Tubing — Electrical Wire Sleeve, φ0.6mm–φ2mm, 7 Colors

2:1 Heat Shrink Tubing — Electrical Wire Sleeve, φ0.6mm–φ2mm, 7 Colors

HomeDIYer
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By HomeDIYer®

Price:
$1.84 USD
Stock:
In stock (500 units), ready to be shipped

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Description

2:1 Heat Shrink Tubing — Reliable Insulation for Electrical Wire Repair & Protection

Exposed wire connections are a safety hazard — whether you're repairing a frayed automotive harness, tidying up a home electronics project, or protecting splices in outdoor lighting. This 2:1 heat shrink tubing gives hobbyists, electricians, and DIYers a clean, durable way to insulate and protect wire connections of all sizes.

Each roll contains continuous heat shrink tubing made from polyolefin material, available in five diameters — φ0.6mm (≈0.024"), φ0.8mm (≈0.031"), φ1mm (≈0.039"), φ1.5mm (≈0.059"), and φ2mm (≈0.079") — and seven colors: Black, White, Red, Green, Yellow, Blue, and Transparent. Length options range from 1m (≈3.3 ft) to 50m (≈164 ft) to suit both one-off repairs and bulk workshop use.

Typical use cases include automotive wire harness repair, color-coded wire identification in control panels, strain relief on PCB solder joints, and weatherproofing garden or landscape lighting connections. The transparent option is especially useful when you need to inspect the connection after sealing.

🔌 Compatibility: Suitable for standard copper and aluminum wire, solder joints, connector pins, and terminal ends. Verify your wire's outer diameter against the expanded tubing size before ordering. For wires larger than φ2mm OD, please contact us to confirm fit.

✅ Key Features of These Heat Shrink Tubing Sleeves

  • 🔥2:1 Shrink Ratio — Shrinks to approximately half its expanded diameter, creating a snug, uniform fit around wire insulation and connector bodies without gaps or bunching.
  • 🎨7 Color Options — Black, White, Red, Green, Yellow, Blue, and Transparent allow color-coded wire identification in automotive, marine, and control panel wiring — reducing troubleshooting time.
  • 📏5 Diameter Sizes — Ranging from φ0.6mm to φ2mm, covering thin signal wires through heavier gauge automotive conductors; choose the size that gives at least 20% clearance over your wire OD.
  • 🧪Polyolefin Material — Offers good electrical insulation, resistance to common chemicals and oils, and flexibility after shrinking — suitable for both indoor electronics and light outdoor wiring tasks.
  • ✂️Cut-to-Length Rolls — Available in 1m, 5m, 10m, 20m, and 50m rolls; cut cleanly with scissors to any length needed for repairs, prototyping, or production runs.
  • 🌡️Low Activation Temperature — Typically begins shrinking at around 70–90°C (158–194°F), compatible with standard heat guns and making it practical for field repairs without specialized equipment.

📐 Technical Specifications — Heat Shrink Tubing

Product Type Polyolefin Heat Shrink Tubing
Shrink Ratio 2:1
Available Diameters (Expanded) φ0.6mm (≈0.024"), φ0.8mm (≈0.031"), φ1mm (≈0.039"), φ1.5mm (≈0.059"), φ2mm (≈0.079")
Available Colors Black, White, Red, Green, Yellow, Blue, Transparent
Available Lengths 1m (≈3.3 ft), 5m (≈16.4 ft), 10m (≈32.8 ft), 20m (≈65.6 ft), 50m (≈164 ft)
Shrink Temperature Typically 70–90°C activation; full shrink at approx. 120°C (248°F)
Material Polyolefin
Wall Thickness (after shrink) See variant options
Voltage Rating Contact us to confirm
Operating Temperature Range Contact us to confirm
Application Method Heat gun recommended; lighter usable with caution
Suitable For Automotive wiring, electronics, marine, DIY repairs, wire identification

❓ Frequently Asked Questions

How do I choose the right diameter of heat shrink tubing?

Measure the outer diameter of your wire or connector before shrinking. Choose a tubing size whose expanded diameter is at least 20% larger than the wire OD. For example, φ1mm tubing typically fits wires around 0.5–0.8mm in diameter before shrink. When in doubt, size up — you can always apply more heat, but you cannot expand tubing that is too small.

What is the 2:1 shrink ratio and what does it mean?

A 2:1 shrink ratio means the tubing will shrink to approximately half its original expanded diameter when heat is applied. For example, φ2mm tubing will shrink to roughly φ1mm after heating. This ratio is generally suitable for most standard wire insulation and connector sealing tasks.

What temperature is needed to shrink this tubing?

This tubing typically activates at around 70–90°C (158–194°F) and fully shrinks at approximately 120°C (248°F). A heat gun is the recommended tool. A lighter or match can work in a pinch but may cause uneven shrinkage or scorching — use with caution.

Can this heat shrink tubing be used outdoors or in wet environments?

Standard polyolefin heat shrink tubing generally provides good moisture resistance once shrunk, making it suitable for light outdoor use such as garden lighting or automotive wiring. For fully waterproof applications (submersion or heavy moisture), we recommend adhesive-lined (dual-wall) heat shrink tubing instead.

Is this tubing compatible with automotive and marine wiring?

Yes, polyolefin heat shrink tubing is commonly used in automotive, marine, and RV wiring for insulation and strain relief. The smaller diameters (φ0.6–φ1mm) are typically suited for thin signal wires, while φ1.5–φ2mm sizes work well for heavier gauge automotive wires. Confirm your wire gauge before ordering.

How do I choose between the different length options?

For occasional repairs or small projects, 1m or 5m rolls are generally sufficient. For workshop use, electronics prototyping, or automotive harness work, 10m or 20m rolls offer better value. The 50m roll is ideal for production runs or contractors who use heat shrink tubing regularly.

Can I cut the tubing to custom lengths?

Yes. The tubing can be cut to any length with scissors or a utility knife before application. Cut ends are clean and do not fray. For best results, cut at a slight angle to make it easier to slide over connectors.

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

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