Heat Shrink Tubing 2:1 — φ1–50mm, 5 Colors, 1–10 Meter Rolls
Heat Shrink Tubing 2:1 — φ1–50mm, 5 Colors, 1–10 Meter Rolls
Heat Shrink Tubing 2:1 — φ1–50mm, 5 Colors, 1–10 Meter Rolls
Heat Shrink Tubing 2:1 — φ1–50mm, 5 Colors, 1–10 Meter Rolls
Heat Shrink Tubing 2:1 — φ1–50mm, 5 Colors, 1–10 Meter Rolls
Heat Shrink Tubing 2:1 — φ1–50mm, 5 Colors, 1–10 Meter Rolls
Heat Shrink Tubing 2:1 — φ1–50mm, 5 Colors, 1–10 Meter Rolls
Heat Shrink Tubing 2:1 — φ1–50mm, 5 Colors, 1–10 Meter Rolls
Heat Shrink Tubing 2:1 — φ1–50mm, 5 Colors, 1–10 Meter Rolls
Heat Shrink Tubing 2:1 — φ1–50mm, 5 Colors, 1–10 Meter Rolls
Heat Shrink Tubing 2:1 — φ1–50mm, 5 Colors, 1–10 Meter Rolls
Heat Shrink Tubing 2:1 — φ1–50mm, 5 Colors, 1–10 Meter Rolls
Roll over image to zoom in Click on image to zoom
Heat Shrink Tubing 2:1 — φ1–50mm, 5 Colors, 1–10 Meter RollsHeat Shrink Tubing 2:1 — φ1–50mm, 5 Colors, 1–10 Meter RollsHeat Shrink Tubing 2:1 — φ1–50mm, 5 Colors, 1–10 Meter RollsHeat Shrink Tubing 2:1 — φ1–50mm, 5 Colors, 1–10 Meter RollsHeat Shrink Tubing 2:1 — φ1–50mm, 5 Colors, 1–10 Meter RollsHeat Shrink Tubing 2:1 — φ1–50mm, 5 Colors, 1–10 Meter RollsHeat Shrink Tubing 2:1 — φ1–50mm, 5 Colors, 1–10 Meter RollsHeat Shrink Tubing 2:1 — φ1–50mm, 5 Colors, 1–10 Meter RollsHeat Shrink Tubing 2:1 — φ1–50mm, 5 Colors, 1–10 Meter RollsHeat Shrink Tubing 2:1 — φ1–50mm, 5 Colors, 1–10 Meter RollsHeat Shrink Tubing 2:1 — φ1–50mm, 5 Colors, 1–10 Meter RollsHeat Shrink Tubing 2:1 — φ1–50mm, 5 Colors, 1–10 Meter Rolls

Heat Shrink Tubing 2:1 — φ1–50mm, 5 Colors, 1–10 Meter Rolls

HomeDIYer
No reviews

By HomeDIYer®

Price:
$3.94 USD
Stock:
In stock (500 units), ready to be shipped

Payment & Security

Amazon American Express Apple Pay Bancontact Diners Club Discover Google Pay iDEAL Wero Mastercard PayPal Shop Pay USDC Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Quantity Discount Promotion
🎯 BULK DISCOUNT: Buy More, Save More!
Buy 2 Items
5% OFF
Buy 4 Items
10% OFF
Buy 6 Items
15% OFF
✅ Auto-discount • 🔄 Mix & match
Expert

DIY Expert Support

Get fitment advice & recommendations

Mon-Fri, 8:30AM-8PM
WhatsApp WhatsApp Email
⚡
24-Hour Fast Ship
🚚
Arrives in 3-14 days
🌍
Global Reach
↩️
30-Day Returns
🌱 1 tree planted with every purchase

Description

 

Heat Shrink Tubing 2:1 — Reliable Wire Insulation for Every DIY and Electrical Project

Whether you're splicing automotive wiring, repairing frayed cables, or organizing a home electrical panel, exposed connections are a safety hazard and a frustration. Heat shrink tubing gives hobbyists, electricians, and makers a clean, professional way to insulate, protect, and color-code wires of any size — without tape that peels or connectors that corrode.

Each roll of this 2:1 heat shrink tubing is made from flexible polyolefin, available in unshrunk diameters from φ1mm (≈3/64") to φ50mm (≈2"), and sold in lengths of 1 Meter (≈3.3 ft), 2 Meter (≈6.6 ft), 5 Meter (≈16.4 ft), and 10 Meter (≈32.8 ft). The 2:1 shrink ratio means the tubing shrinks to approximately half its listed diameter when heat is applied. Choose from five colors — Brown, Orange, Purple, Grey, and Yellow-Green Mix — for easy wire identification.

Typical use cases include automotive wiring harness repair, marine cable protection, RC hobby builds, home electrical DIY, and workshop tool cord management. The flexible polyolefin construction makes this heat shrink tube a go-to for anyone who needs a tidy, insulated finish on wire splices and connector ends.

ℹ️ Compatibility Note: The listed diameter is the unshrunk (pre-heat) inner diameter. After applying heat, the tubing shrinks to approximately 50% of the listed size. Select a size at least 20–30% larger than your wire or connector's outer diameter for a secure fit.
⚠️ Size Tip: If you are unsure which diameter to order, measure your component with calipers and contact us to confirm — we're happy to help you select the right size before you buy.

✅ Key Features of These Heat Shrink Tubes

  • 🔥2:1 Shrink Ratio — Shrinks to approximately half its unshrunk diameter when heated to around 90–120°C (194–248°F), conforming tightly around wires, connectors, and cable ends for a secure insulated finish.
  • 📏Wide Diameter Range — Available from φ1mm to φ50mm (unshrunk), covering everything from thin signal wires to large cable bundles, making this heat shrink tubing suitable for a broad range of electrical and DIY applications.
  • 🎨5 Color Options — Brown, Orange, Purple, Grey, and Yellow-Green Mix allow for color-coded wire identification in automotive, marine, and workshop wiring projects, reducing troubleshooting time.
  • 🧪Polyolefin Construction — The flexible polyolefin material resists moisture, mild chemicals, and abrasion, making it suitable for both indoor wiring and semi-exposed outdoor cable protection.
  • ✂️Cut-to-Length Rolls — Sold in 1 m, 2 m, 5 m, and 10 m rolls so you can cut exactly what you need for each splice or connector, minimizing waste on small repairs or stocking up for larger projects.
  • ⚡Electrical Insulation — Provides a clean insulating layer over wire splices, solder joints, and terminal connections, helping prevent short circuits and protecting against accidental contact in tight enclosures.

📐 Technical Specifications — Heat Shrink Tubing

Product Type Heat Shrink Tubing
Shrink Ratio 2:1
Material Polyolefin
Diameter (Unshrunk) φ1mm – φ50mm (≈3/64" – ≈2")
Shrunk Diameter (approx.) ~50% of listed unshrunk diameter
Available Lengths 1 m (≈3.3 ft), 2 m (≈6.6 ft), 5 m (≈16.4 ft), 10 m (≈32.8 ft)
Colors Available Brown, Orange, Purple, Grey, Yellow-Green Mix
Activation Temperature Typically ~90°C (194°F); full shrink ~120°C (248°F)
Recommended Tool Heat gun (lighter or soldering iron may be used with care)
Flexibility Flexible after shrinking
Waterproofing Moisture-resistant (not adhesive-lined; not fully waterproof)
Typical Applications Wire splicing, connector insulation, cable bundling, automotive wiring, RC builds, DIY repairs
Country of Origin See variant options

❓ Frequently Asked Questions

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

Measure the outer diameter of the wire or connector you need to cover. Choose a tubing size whose unshrunk (pre-shrink) diameter is at least 20–30% larger than your component. With a 2:1 shrink ratio, the tubing will shrink to approximately half its listed diameter. For example, φ6mm tubing will shrink to roughly 3mm (≈1/8"). When in doubt, size up — you can always apply more heat to tighten the fit.

What does the "2:1" shrink ratio mean?

A 2:1 shrink ratio means the tubing will shrink to approximately half its original (unshrunk) inner diameter when heat is applied. The listed diameter (e.g., φ10mm) is the pre-shrink size. After shrinking, the tubing conforms tightly around the component for a secure, insulated fit — so φ10mm (≈3/8") becomes roughly φ5mm (≈3/16") after heating.

What temperature is needed to shrink this tubing, and what tool should I use?

Polyolefin heat shrink tubing typically begins to activate at around 90°C (194°F) and fully shrinks at approximately 120°C (248°F). A heat gun is the recommended tool for even, controlled shrinkage. A lighter or soldering iron can be used with care for small sections, but a heat gun generally produces the cleanest result without scorching.

Is this heat shrink tubing suitable for outdoor or marine use?

Polyolefin heat shrink tubing is generally resistant to moisture, UV exposure, and mild chemicals, making it suitable for many outdoor and semi-exposed applications such as garden lighting wiring or marine cable runs. However, this is a single-wall (non-adhesive-lined) tubing, so it is not fully waterproof. For fully sealed, waterproof connections, adhesive-lined dual-wall heat shrink tubing is recommended. Contact us to confirm suitability for your specific environment.

What wire gauges and cable sizes does this tubing fit?

The tubing covers a wide range. As a general guide: smaller sizes (φ1–3mm) typically fit AWG 22–16 signal and control wires; mid-range sizes (φ4–10mm) suit AWG 14–6 power wires and small cable bundles; larger sizes (φ12–50mm) are suited for thick power cables, conduit ends, and multi-wire bundles. Always measure your component's outer diameter before ordering to confirm the right fit.

Can I use this tubing for automotive wiring harness repairs?

Yes — polyolefin heat shrink tubing is widely used in automotive wiring harness repair, connector insulation, and wire bundling. It is generally resistant to engine bay temperatures and common automotive fluids encountered in typical under-hood environments. For high-heat zones near exhaust components, verify the operating temperature range of the specific size you select, or contact us for guidance.

Does the color affect the electrical or mechanical performance?

No — all five colors (Brown, Orange, Purple, Grey, and Yellow-Green Mix) share the same polyolefin material and 2:1 shrink ratio. Color choice is purely for identification, organization, or aesthetic preference. Color-coding wires with different tubing colors is a common practice in electrical, automotive, and DIY projects to simplify troubleshooting and maintenance.

How much tubing do I need for a typical wiring project?

For small repairs (a few splices or connector ends), a 1 m or 2 m roll is typically sufficient. For larger projects such as wiring a vehicle, building an RC model, or organizing a workshop panel, a 5 m or 10 m roll offers better value and ensures you have enough on hand. We recommend ordering a slightly longer length than you think you need to account for trimming and test cuts.

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

You may also like

Recently viewed