Heat Shrink Tube 2:1 Ratio – Multi-Color & Multi-Size Electrical Cable Sleeving
Heat Shrink Tube 2:1 Ratio – Multi-Color & Multi-Size Electrical Cable Sleeving
Heat Shrink Tube 2:1 Ratio – Multi-Color & Multi-Size Electrical Cable Sleeving
Heat Shrink Tube 2:1 Ratio – Multi-Color & Multi-Size Electrical Cable Sleeving
Heat Shrink Tube 2:1 Ratio – Multi-Color & Multi-Size Electrical Cable Sleeving
Heat Shrink Tube 2:1 Ratio – Multi-Color & Multi-Size Electrical Cable Sleeving
Heat Shrink Tube 2:1 Ratio – Multi-Color & Multi-Size Electrical Cable Sleeving
Heat Shrink Tube 2:1 Ratio – Multi-Color & Multi-Size Electrical Cable Sleeving
Heat Shrink Tube 2:1 Ratio – Multi-Color & Multi-Size Electrical Cable Sleeving
Heat Shrink Tube 2:1 Ratio – Multi-Color & Multi-Size Electrical Cable Sleeving
Heat Shrink Tube 2:1 Ratio – Multi-Color & Multi-Size Electrical Cable Sleeving
Heat Shrink Tube 2:1 Ratio – Multi-Color & Multi-Size Electrical Cable Sleeving
Heat Shrink Tube 2:1 Ratio – Multi-Color & Multi-Size Electrical Cable Sleeving
Heat Shrink Tube 2:1 Ratio – Multi-Color & Multi-Size Electrical Cable Sleeving
Heat Shrink Tube 2:1 Ratio – Multi-Color & Multi-Size Electrical Cable Sleeving
Heat Shrink Tube 2:1 Ratio – Multi-Color & Multi-Size Electrical Cable Sleeving
Heat Shrink Tube 2:1 Ratio – Multi-Color & Multi-Size Electrical Cable Sleeving
Heat Shrink Tube 2:1 Ratio – Multi-Color & Multi-Size Electrical Cable Sleeving
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Heat Shrink Tube 2:1 Ratio – Multi-Color & Multi-Size Electrical Cable SleevingHeat Shrink Tube 2:1 Ratio – Multi-Color & Multi-Size Electrical Cable SleevingHeat Shrink Tube 2:1 Ratio – Multi-Color & Multi-Size Electrical Cable SleevingHeat Shrink Tube 2:1 Ratio – Multi-Color & Multi-Size Electrical Cable SleevingHeat Shrink Tube 2:1 Ratio – Multi-Color & Multi-Size Electrical Cable SleevingHeat Shrink Tube 2:1 Ratio – Multi-Color & Multi-Size Electrical Cable SleevingHeat Shrink Tube 2:1 Ratio – Multi-Color & Multi-Size Electrical Cable SleevingHeat Shrink Tube 2:1 Ratio – Multi-Color & Multi-Size Electrical Cable SleevingHeat Shrink Tube 2:1 Ratio – Multi-Color & Multi-Size Electrical Cable SleevingHeat Shrink Tube 2:1 Ratio – Multi-Color & Multi-Size Electrical Cable SleevingHeat Shrink Tube 2:1 Ratio – Multi-Color & Multi-Size Electrical Cable SleevingHeat Shrink Tube 2:1 Ratio – Multi-Color & Multi-Size Electrical Cable SleevingHeat Shrink Tube 2:1 Ratio – Multi-Color & Multi-Size Electrical Cable SleevingHeat Shrink Tube 2:1 Ratio – Multi-Color & Multi-Size Electrical Cable SleevingHeat Shrink Tube 2:1 Ratio – Multi-Color & Multi-Size Electrical Cable SleevingHeat Shrink Tube 2:1 Ratio – Multi-Color & Multi-Size Electrical Cable SleevingHeat Shrink Tube 2:1 Ratio – Multi-Color & Multi-Size Electrical Cable SleevingHeat Shrink Tube 2:1 Ratio – Multi-Color & Multi-Size Electrical Cable Sleeving

Heat Shrink Tube 2:1 Ratio – Multi-Color & Multi-Size Electrical Cable Sleeving

HomeDIYer
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By HomeDIYer®

Price:
$6.09 USD
Stock:
In stock (500 units), ready to be shipped

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Description

 

2:1 Heat Shrink Tube — Reliable Insulation for Every Wire, Every Project

Whether you're a hobbyist rewiring a vintage amplifier, an auto enthusiast tidying up a custom harness, or a professional electrician finishing a panel job, loose wire ends and exposed splices are a constant frustration. Unprotected connections corrode, short, and fail — often at the worst possible moment. This 2:1 heat shrink tubing gives you a clean, durable, color-coded solution that goes on in seconds and stays put for years.

Each listing covers a single continuous roll of tubing in your chosen color and size. Available in diameters from Φ1mm (≈1/25") to Φ30mm (≈1-3/16") and roll lengths of 1m (≈3.3 ft), 2m (≈6.6 ft), 5m (≈16.4 ft), 10m (≈32.8 ft), and 20m (≈65.6 ft). The tubing is made from flame-retardant polyolefin and shrinks to approximately half its original inner diameter when heat is applied. Twelve colors — Black, White, Red, Green, Yellow, Blue, Transparent, Brown, Orange, Purple, Grey, and Yellow-Green — make color-coding circuits straightforward.

Typical use cases include automotive wiring repairs and custom looms, home electrical DIY and appliance fixes, RC and hobby electronics, marine and outdoor cable protection, and workshop tool cord management. The wide size range means one product family covers everything from delicate sensor wires to thick battery cables.

🔌 Compatibility: Suitable for copper, aluminum, and stranded wire. Works with standard heat guns, lighters, and hot-air stations. Not rated for high-voltage industrial applications — confirm suitability before use in safety-critical circuits.

✅ Key Features of These 2:1 Heat Shrink Tubes

  • 🔥True 2:1 Shrink Ratio — Shrinks to approximately half its original inner diameter, creating a snug, uniform fit around wires, connectors, and solder joints without gaps or wrinkles.
  • 🛡️Flame-Retardant Polyolefin Material — Self-extinguishing construction meets general electrical safety requirements, reducing fire risk in automotive, marine, and household wiring applications.
  • 🎨12 Colors for Easy Circuit Identification — Black, White, Red, Green, Yellow, Blue, Transparent, Brown, Orange, Purple, Grey, and Yellow-Green let you color-code wiring harnesses and multi-conductor cables at a glance.
  • 📏Wide Diameter Range: Φ1mm–Φ30mm — Covers fine sensor wires up to large cable bundles and battery terminals, eliminating the need to stock multiple product families for different wire gauges.
  • 📦Flexible Roll Lengths: 1m to 20m — Choose the exact quantity you need — from a short 1m roll for a quick repair to a 20m bulk roll for ongoing workshop or production use, reducing waste and cost.
  • ✂️Easy to Cut and Apply — Cuts cleanly with scissors or a utility knife; slides over wire before shrinking and conforms tightly with a standard heat gun, making it practical for both bench work and in-situ field repairs.

📐 Technical Specifications — 2:1 Heat Shrink Tubing

Product Type 2:1 Ratio Heat Shrink Tubing
Material Flame-retardant polyolefin
Shrink Ratio 2:1 (shrinks to ~50% of original inner diameter)
Available Diameters Φ1mm, Φ2mm, Φ3mm, Φ4mm, Φ5mm, Φ6mm, Φ8mm, Φ10mm, Φ20mm, Φ30mm
Available Lengths 1m (≈3.3 ft), 2m (≈6.6 ft), 5m (≈16.4 ft), 10m (≈32.8 ft), 20m (≈65.6 ft)
Available Colors Black, White, Red, Green, Yellow, Blue, Transparent, Brown, Orange, Purple, Grey, Yellow-Green
Activation Temperature Typically 90–120°C (194–248°F)
Flame Retardancy Self-extinguishing (general electrical use)
Voltage Rating See variant options / Contact us to confirm for specific applications
Wall Thickness (recovered) See variant options
Suitable Tools Heat gun, lighter, hot-air station
Packaging Continuous roll, cut-to-length
⚠️ Note: Diameter measurements refer to the inner diameter before shrinking. Always measure your wire's outer diameter and select a tubing size that is slightly larger than the wire for easy installation, then apply heat for a secure fit.

❓ Frequently Asked Questions

How do I choose the right diameter for my wire?

Measure the outer diameter of your wire or connector before shrinking. Because this tubing has a 2:1 shrink ratio, choose a size whose recovered diameter is slightly smaller than your wire. For example, a Φ4mm tube shrinks to approximately Φ2mm. When in doubt, size up — you can always apply more heat to achieve a tighter fit.

What shrink ratio does this tubing use?

This is a 2:1 ratio heat shrink tube, meaning it shrinks to approximately half its original inner diameter when heat is applied. This ratio is the most common for general electrical and DIY applications.

What temperature is needed to shrink the tubing?

Generally, a heat gun set to around 90–120°C (194–248°F) is sufficient to activate the shrink. A standard heat gun, lighter, or even a hair dryer on high heat can typically be used. Avoid open flames directly on the tubing to prevent scorching.

Is this heat shrink tubing flame-retardant?

Yes, this tubing is made from flame-retardant polyolefin material, which is self-extinguishing and meets general electrical safety standards. It is not rated for continuous high-voltage or industrial-grade applications — please confirm suitability for your specific use case.

Can I use this tubing outdoors or in wet environments?

Standard 2:1 polyolefin heat shrink tubing generally provides basic moisture resistance once shrunk, making it suitable for light outdoor use. For fully waterproof applications, we recommend using adhesive-lined (3:1 or 4:1) heat shrink tubing instead.

What wire gauges are compatible with each diameter?

Compatibility depends on the wire's outer diameter. As a general guide: Φ1mm suits very fine wires (typically 28–30 AWG), Φ2–3mm suits 22–26 AWG, Φ4–6mm suits 16–20 AWG, Φ8–10mm suits 10–14 AWG, and Φ20–30mm suits large cable bundles or connectors. Always measure before ordering.

How do I convert the diameter from mm to inches?

Divide the mm value by 25.4 to get inches. For example: Φ10mm ≈ 3/8" (0.39"), Φ20mm ≈ 25/32" (0.79"), Φ30mm ≈ 1-3/16" (1.18"). Use these conversions when matching to AWG wire charts that list diameters in inches.

Can I cut the tubing to a custom length?

Yes. The tubing is sold in continuous rolls (1m, 2m, 5m, 10m, or 20m) and can be cut to any length with scissors or a utility knife before or after shrinking. Cutting after shrinking is generally easier for clean edges.

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

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