Heat Shrink Tubing 2:1 Ratio — Φ0.6mm to Φ210mm, 7 Colors, 1M per Piece
Heat Shrink Tubing 2:1 Ratio — Φ0.6mm to Φ210mm, 7 Colors, 1M per Piece
Heat Shrink Tubing 2:1 Ratio — Φ0.6mm to Φ210mm, 7 Colors, 1M per Piece
Heat Shrink Tubing 2:1 Ratio — Φ0.6mm to Φ210mm, 7 Colors, 1M per Piece
Heat Shrink Tubing 2:1 Ratio — Φ0.6mm to Φ210mm, 7 Colors, 1M per Piece
Heat Shrink Tubing 2:1 Ratio — Φ0.6mm to Φ210mm, 7 Colors, 1M per Piece
Heat Shrink Tubing 2:1 Ratio — Φ0.6mm to Φ210mm, 7 Colors, 1M per Piece
Heat Shrink Tubing 2:1 Ratio — Φ0.6mm to Φ210mm, 7 Colors, 1M per Piece
Heat Shrink Tubing 2:1 Ratio — Φ0.6mm to Φ210mm, 7 Colors, 1M per Piece
Heat Shrink Tubing 2:1 Ratio — Φ0.6mm to Φ210mm, 7 Colors, 1M per Piece
Heat Shrink Tubing 2:1 Ratio — Φ0.6mm to Φ210mm, 7 Colors, 1M per Piece
Heat Shrink Tubing 2:1 Ratio — Φ0.6mm to Φ210mm, 7 Colors, 1M per Piece
Heat Shrink Tubing 2:1 Ratio — Φ0.6mm to Φ210mm, 7 Colors, 1M per Piece
Heat Shrink Tubing 2:1 Ratio — Φ0.6mm to Φ210mm, 7 Colors, 1M per Piece
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Heat Shrink Tubing 2:1 Ratio — Φ0.6mm to Φ210mm, 7 Colors, 1M per PieceHeat Shrink Tubing 2:1 Ratio — Φ0.6mm to Φ210mm, 7 Colors, 1M per PieceHeat Shrink Tubing 2:1 Ratio — Φ0.6mm to Φ210mm, 7 Colors, 1M per PieceHeat Shrink Tubing 2:1 Ratio — Φ0.6mm to Φ210mm, 7 Colors, 1M per PieceHeat Shrink Tubing 2:1 Ratio — Φ0.6mm to Φ210mm, 7 Colors, 1M per PieceHeat Shrink Tubing 2:1 Ratio — Φ0.6mm to Φ210mm, 7 Colors, 1M per PieceHeat Shrink Tubing 2:1 Ratio — Φ0.6mm to Φ210mm, 7 Colors, 1M per PieceHeat Shrink Tubing 2:1 Ratio — Φ0.6mm to Φ210mm, 7 Colors, 1M per PieceHeat Shrink Tubing 2:1 Ratio — Φ0.6mm to Φ210mm, 7 Colors, 1M per PieceHeat Shrink Tubing 2:1 Ratio — Φ0.6mm to Φ210mm, 7 Colors, 1M per PieceHeat Shrink Tubing 2:1 Ratio — Φ0.6mm to Φ210mm, 7 Colors, 1M per PieceHeat Shrink Tubing 2:1 Ratio — Φ0.6mm to Φ210mm, 7 Colors, 1M per PieceHeat Shrink Tubing 2:1 Ratio — Φ0.6mm to Φ210mm, 7 Colors, 1M per PieceHeat Shrink Tubing 2:1 Ratio — Φ0.6mm to Φ210mm, 7 Colors, 1M per Piece

Heat Shrink Tubing 2:1 Ratio — Φ0.6mm to Φ210mm, 7 Colors, 1M per Piece

HomeDIYer
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By HomeDIYer®

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$2.03 USD
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In stock (500 units), ready to be shipped

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Description

Heat Shrink Tubing 2:1 Ratio — Reliable Wire Insulation from Φ0.6mm to Φ210mm

Exposed wire splices, bare connector terminals, and unprotected solder joints are a constant headache for electricians, automotive technicians, hobbyists, and DIYers. One wrong contact and you're dealing with shorts, corrosion, or worse. This heat shrink tubing gives you a fast, clean, and durable solution — just slide it on, apply heat, and you're done.

Each piece is 1 meter (≈39.4") long and made from flame-retardant polyolefin with a 2:1 shrink ratio. Available in diameters from Φ0.6mm (≈0.024") up to Φ210mm (≈8.27"), and in 7 colors — White, Red, Green, Blue, Transparent, Yellow, and Black — so you can color-code wiring runs or match your project's aesthetic. The expanded diameter fits over the component; heat causes it to recover tightly around the substrate.

Typical applications include automotive wiring harness repair, marine cable protection, RC hobby wire management, home electrical DIY, and industrial cable bundling. The wide size range makes this a go-to heat shrink wire sleeving solution whether you're insulating a single 24 AWG wire or wrapping a large conduit bundle.

ℹ️ Compatibility Note: This tubing is designed for use with standard copper and aluminum conductors, connectors, terminals, and solder joints. Verify the expanded diameter is larger than your component before ordering. Each listing covers 1 meter per piece — select your diameter and color above.

✅ Key Features of These Heat Shrink Tubing Sleeves

  • 🔥2:1 Shrink Ratio — Recovers to approximately half its expanded diameter, creating a snug, uniform fit around wires, connectors, and terminals for reliable insulation.
  • 📏Wide Diameter Range — Available from Φ0.6mm to Φ210mm (≈0.024" to ≈8.27"), covering everything from fine gauge wires to large cable bundles and conduit runs.
  • 🎨7 Color Options — White, Red, Green, Blue, Transparent, Yellow, and Black allow color-coded wire identification and organization across complex wiring systems.
  • 🛡️Flame-Retardant Polyolefin — Made from polyolefin material that resists moisture, mild chemicals, and abrasion, providing durable protection for heat shrink wire sleeving in demanding environments.
  • ⚡Electrical Insulation — Provides dielectric protection typically rated up to 600V, suitable for low-voltage automotive, marine, and household electrical repair applications.
  • ✂️Easy to Cut and Apply — Cuts cleanly with scissors or a utility knife; shrinks evenly with a heat gun, lighter, or soldering iron at generally 120°C (248°F) for full recovery.

📐 Technical Specifications — Heat Shrink Tubing 2:1

Product Type Heat Shrink Tubing / Wire Sleeving
Material Polyolefin (flame-retardant)
Shrink Ratio 2:1
Diameter Range (Expanded) Φ0.6mm–Φ210mm (≈0.024"–≈8.27")
Length per Piece 1 Meter (≈39.4")
Available Colors White, Red, Green, Blue, Transparent, Yellow, Black
Shrink Temperature Typically 120°C (248°F) for full recovery
Voltage Rating Typically up to 600V (confirm for critical applications)
Operating Temperature See variant options
Wall Thickness (recovered) See variant options
Compliance / Standards Contact us to confirm
⚠️ Sizing Tip: Always measure the outer diameter of your wire or component before selecting a size. The expanded diameter of the tubing must be larger than your component; the recovered diameter must be smaller. When in doubt, size up.

❓ Frequently Asked Questions

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

Measure the outer diameter of the wire, connector, or object you want to cover. Choose a tubing size whose recovered (shrunk) diameter is slightly smaller than your object's diameter, and whose expanded diameter is larger. As a general rule, select a size where the expanded diameter is at least 20% larger than the object. For example, if your wire bundle is 4mm (≈5/32") wide, Φ5mm or Φ6mm tubing typically works well.

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

A 2:1 shrink ratio means the tubing will shrink to approximately half its original expanded diameter when heat is applied. For example, Φ10mm (≈3/8") tubing will recover to approximately Φ5mm (≈3/16"). This is the most common ratio for general-purpose wire insulation and bundling.

What temperature is needed to shrink the tubing?

Polyolefin heat shrink tubing generally begins to shrink at around 70–90°C (158–194°F) and fully recovers at approximately 120°C (248°F). A heat gun is the recommended tool. A lighter or match can work for small diameters in a pinch, but a heat gun provides more even, controlled shrinkage and is recommended for larger sizes.

Is this heat shrink tubing flame-retardant and safe for outdoor use?

This tubing is made from polyolefin, which is generally flame-retardant and provides good resistance to moisture, UV, and mild chemicals. It is typically suitable for indoor and outdoor electrical applications. For harsh marine or high-UV environments, confirm suitability with your specific application requirements before ordering.

What voltage rating does this heat shrink tubing support?

Standard polyolefin 2:1 heat shrink tubing of this type is generally rated for up to 600V. For high-voltage applications beyond this range, please contact us to confirm suitability before ordering.

Can I use this tubing for automotive wiring?

Yes. Polyolefin heat shrink tubing is widely used in automotive wiring harness repair, connector insulation, and wire bundling. It resists oil, fuel vapors, and moderate heat, making it a practical choice for engine bay and interior wiring projects. The color options also help with circuit identification.

How do I convert the diameter sizes between mm and inches?

To convert mm to inches, divide by 25.4. Common reference points: Φ6mm ≈ 0.24" (≈1/4"), Φ10mm ≈ 0.39" (≈3/8"), Φ25mm ≈ 0.98" (≈1"), Φ50mm ≈ 1.97" (≈2"), Φ25.4mm = exactly 1". Use these conversions as a guide when matching to AWG wire gauges or inch-based connector specs.

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

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