Heat Shrink Tubing 2:1 Ratio — Colored Cable Sleeve, 1mm–5mm, 7 Colors
Heat Shrink Tubing 2:1 Ratio — Colored Cable Sleeve, 1mm–5mm, 7 Colors
Heat Shrink Tubing 2:1 Ratio — Colored Cable Sleeve, 1mm–5mm, 7 Colors
Heat Shrink Tubing 2:1 Ratio — Colored Cable Sleeve, 1mm–5mm, 7 Colors
Heat Shrink Tubing 2:1 Ratio — Colored Cable Sleeve, 1mm–5mm, 7 Colors
Heat Shrink Tubing 2:1 Ratio — Colored Cable Sleeve, 1mm–5mm, 7 Colors
Heat Shrink Tubing 2:1 Ratio — Colored Cable Sleeve, 1mm–5mm, 7 Colors
Heat Shrink Tubing 2:1 Ratio — Colored Cable Sleeve, 1mm–5mm, 7 Colors
Heat Shrink Tubing 2:1 Ratio — Colored Cable Sleeve, 1mm–5mm, 7 Colors
Roll over image to zoom in Click on image to zoom
Heat Shrink Tubing 2:1 Ratio — Colored Cable Sleeve, 1mm–5mm, 7 ColorsHeat Shrink Tubing 2:1 Ratio — Colored Cable Sleeve, 1mm–5mm, 7 ColorsHeat Shrink Tubing 2:1 Ratio — Colored Cable Sleeve, 1mm–5mm, 7 ColorsHeat Shrink Tubing 2:1 Ratio — Colored Cable Sleeve, 1mm–5mm, 7 ColorsHeat Shrink Tubing 2:1 Ratio — Colored Cable Sleeve, 1mm–5mm, 7 ColorsHeat Shrink Tubing 2:1 Ratio — Colored Cable Sleeve, 1mm–5mm, 7 ColorsHeat Shrink Tubing 2:1 Ratio — Colored Cable Sleeve, 1mm–5mm, 7 ColorsHeat Shrink Tubing 2:1 Ratio — Colored Cable Sleeve, 1mm–5mm, 7 ColorsHeat Shrink Tubing 2:1 Ratio — Colored Cable Sleeve, 1mm–5mm, 7 Colors

Heat Shrink Tubing 2:1 Ratio — Colored Cable Sleeve, 1mm–5mm, 7 Colors

HomeDIYer
No reviews

By HomeDIYer®

Price:
$2.92 USD
Stock:
In stock (500 units), ready to be shipped

Payment & Security

Ach Direct Debit 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 Ratio — Reliable Wire Insulation for Every Project

Whether you're repairing a frayed automotive harness, organizing a home theater cable run, or protecting solder joints on a DIY electronics build, exposed wires are a safety hazard and a reliability risk. Hobbyists, auto technicians, marine riggers, and electricians all face the same challenge: finding heat shrink tubing that fits precisely, shrinks cleanly, and stays put over time.

This heat shrink tubing uses a 2:1 shrink ratio and is available in nine diameter sizes from 1mm to 5mm (≈3/64" to 13/64"), seven colors (Black, White, Red, Green, Yellow, Blue, and Transparent), and four cut lengths — 1 meter (≈3.3 ft), 3 meters (≈9.8 ft), 5 meters (≈16.4 ft), and 10 meters (≈32.8 ft). The tubing is made from polyolefin, a flexible thermoplastic that maintains its grip and insulating properties after shrinking.

Typical use cases include automotive wire splicing and connector protection, PCB and electronics lead insulation, cable color-coding for organized wiring harnesses, and strain relief on USB, audio, or power cables. The transparent option is especially useful when you need to inspect the underlying wire or label without removing the sleeve.

🔌 Compatibility: Fits standard wire gauges from approximately AWG 26 (1mm) to AWG 12 (5mm). Shrinks with a heat gun at typically 90°C–120°C (194°F–248°F). Suitable for automotive, marine, electronics, and general DIY wiring applications.

✅ Key Features of These Heat Shrink Tubing Sleeves

  • 📐Nine Diameter Options — Sizes from 1mm to 5mm (expanded inner diameter) cover a broad range of wire gauges, from fine signal wires to heavier power conductors, making this heat shrink tubing for wire repair versatile across projects.
  • 🎨Seven Color Choices — Black, White, Red, Green, Yellow, Blue, and Transparent allow color-coded cable identification in wiring harnesses, control panels, and automotive builds without additional labeling.
  • 🔥2:1 Shrink Ratio — Shrinks to approximately half its expanded diameter when heated, conforming tightly around connectors, solder joints, and wire bundles for a secure, professional finish.
  • 🛡️Polyolefin Construction — Flexible after shrinking, resistant to oils, mild solvents, and moisture. Maintains electrical insulation integrity across a wide operating temperature range, suitable for both indoor and outdoor cable sleeving applications.
  • 📏Four Length Options — Choose 1m, 3m, 5m, or 10m to match your project scale. Longer rolls reduce per-meter cost for workshop stock or large automotive wiring harness jobs.
  • ⚡Clean, Even Shrinkage — Designed to shrink uniformly along its length when a heat gun is applied with steady, sweeping motion, reducing the risk of uneven coverage or air pockets around the conductor.

📐 Technical Specifications — Heat Shrink Tubing

Product Type Polyolefin Heat Shrink Tubing
Shrink Ratio 2:1
Available Sizes (Expanded ID) 1mm, 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm, 5mm
Available Colors Black, White, Red, Green, Yellow, Blue, Transparent
Available Lengths 1 Meter (≈3.3 ft), 3 Meter (≈9.8 ft), 5 Meter (≈16.4 ft), 10 Meter (≈32.8 ft)
Shrink Temperature Typically 90°C–120°C (194°F–248°F)
Material Polyolefin
Wall Thickness (pre-shrink) See variant options
Operating Temperature Range Contact us to confirm
Flame Retardancy Contact us to confirm
Application Method Heat gun (recommended); avoid open flame
Suitable For Automotive wiring, electronics, marine, DIY cable management
⚠️ Size Tip: Always measure the outer diameter of your wire or connector before ordering. Select a tube size whose expanded inner diameter is slightly larger than your measurement. After shrinking, the tubing will typically reduce to approximately half its original diameter.

❓ Frequently Asked Questions

How do I choose the right size heat shrink tubing?

Measure the outer diameter of the wire or connector before shrinking. Choose a tube whose expanded inner diameter is slightly larger than that measurement. After shrinking at a 2:1 ratio, the tubing will typically reduce to about half its original diameter. For example, 4mm tubing shrinks to approximately 2mm (≈5/64"–3/32"). When in doubt, size up by one step.

What shrink ratio does this tubing use?

This heat shrink tubing uses a 2:1 shrink ratio, meaning it will generally shrink to approximately half its original expanded diameter when heat is applied. This is the most common ratio for general-purpose wire insulation and cable management.

What temperature is needed to shrink this tubing?

Polyolefin heat shrink tubing of this type typically requires temperatures in the range of 90°C–120°C (194°F–248°F) to begin shrinking, and fully recovers at around 120°C (248°F). A heat gun is recommended for even, controlled shrinkage. Avoid open flames where possible to prevent uneven shrinkage or damage to the tubing.

Can this heat shrink tubing be used outdoors?

Polyolefin heat shrink tubing generally offers good resistance to moisture, UV exposure, and mild chemicals, making it suitable for many outdoor applications. However, for prolonged outdoor or marine use in harsh environments, an adhesive-lined (dual-wall) variant is generally recommended for a fully waterproof seal. Contact us to confirm suitability for your specific application.

Is this tubing compatible with standard wire gauges?

Yes. The size range of 1mm–5mm (expanded inner diameter) covers a wide range of wire gauges commonly used in automotive, electronics, and DIY wiring. As a general guide:

  • 1mm–2mm — typically suits thin signal wires (AWG 26–22)
  • 2.5mm–3.5mm — typically suits medium wires (AWG 20–16)
  • 4mm–5mm — typically suits heavier wires (AWG 14–12)

See variant options for exact sizes available.

How do I select the right length for my project?

We offer lengths of 1 meter (≈3.3 ft), 3 meters (≈9.8 ft), 5 meters (≈16.4 ft), and 10 meters (≈32.8 ft). For single repairs or small jobs, 1m is typically sufficient. For wiring harnesses, automotive projects, or workshop stock, 5m or 10m rolls offer better value per meter.

What material is this heat shrink tubing made from?

This tubing is generally made from polyolefin, a widely used thermoplastic material known for its flexibility after shrinking, electrical insulation properties, and resistance to oils, solvents, and mild chemicals. It is RoHS-compliant in most standard formulations. Contact us if you require a material certification for your application.

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

You may also like

Recently viewed