Polyolefin 2:1 Heat Shrink Tubing — φ0.6mm to φ3mm, Multiple Colors & Lengths
Polyolefin 2:1 Heat Shrink Tubing — φ0.6mm to φ3mm, Multiple Colors & Lengths
Polyolefin 2:1 Heat Shrink Tubing — φ0.6mm to φ3mm, Multiple Colors & Lengths
Polyolefin 2:1 Heat Shrink Tubing — φ0.6mm to φ3mm, Multiple Colors & Lengths
Polyolefin 2:1 Heat Shrink Tubing — φ0.6mm to φ3mm, Multiple Colors & Lengths
Polyolefin 2:1 Heat Shrink Tubing — φ0.6mm to φ3mm, Multiple Colors & Lengths
Polyolefin 2:1 Heat Shrink Tubing — φ0.6mm to φ3mm, Multiple Colors & Lengths
Polyolefin 2:1 Heat Shrink Tubing — φ0.6mm to φ3mm, Multiple Colors & Lengths
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Polyolefin 2:1 Heat Shrink Tubing — φ0.6mm to φ3mm, Multiple Colors & LengthsPolyolefin 2:1 Heat Shrink Tubing — φ0.6mm to φ3mm, Multiple Colors & LengthsPolyolefin 2:1 Heat Shrink Tubing — φ0.6mm to φ3mm, Multiple Colors & LengthsPolyolefin 2:1 Heat Shrink Tubing — φ0.6mm to φ3mm, Multiple Colors & LengthsPolyolefin 2:1 Heat Shrink Tubing — φ0.6mm to φ3mm, Multiple Colors & LengthsPolyolefin 2:1 Heat Shrink Tubing — φ0.6mm to φ3mm, Multiple Colors & LengthsPolyolefin 2:1 Heat Shrink Tubing — φ0.6mm to φ3mm, Multiple Colors & LengthsPolyolefin 2:1 Heat Shrink Tubing — φ0.6mm to φ3mm, Multiple Colors & Lengths

Polyolefin 2:1 Heat Shrink Tubing — φ0.6mm to φ3mm, Multiple Colors & Lengths

HomeDIYer
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By HomeDIYer®

Price:
$1.85 USD
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In stock (500 units), ready to be shipped

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Description

Polyolefin 2:1 Heat Shrink Tubing — Reliable Wire Insulation from φ0.6mm to φ3mm

Loose wire ends, exposed splices, and unlabeled cable bundles are a frustration for every DIYer, auto technician, and electrician. Whether you are repairing a frayed automotive harness, insulating a soldered joint on a marine circuit, or organizing a home workshop panel, you need heat shrink tubing that fits precisely, shrinks cleanly, and stays put. This polyolefin 2:1 heat shrink tubing is designed for exactly those situations — available in six diameters from φ0.6mm to φ3mm, so you can match the tube to the wire rather than forcing a compromise.

Each roll is made from flexible, flame-retardant polyolefin material with a 2:1 shrink ratio, meaning the tube shrinks to half its expanded diameter when heat is applied. Diameter options range from φ0.6mm (≈0.024") to φ3mm (≈0.118"), and rolls are available in 1M (≈3.3 ft), 10M (≈32.8 ft), 20M (≈65.6 ft), and 50M (≈164 ft) lengths. Thirteen color options — including Black, White, Red, Green, Blue, Yellow, Transparent, Thin and Transparent, Orange, Brown, Grey, Purple, and the IEC-standard Yellow & Green ground-wire color — make color-coding and circuit identification straightforward.

Typical applications include automotive wire repair and heat shrink sleeving for connectors, marine and RV electrical insulation, DIY electronics projects requiring small-diameter heat shrink tube, cable bundling in control panels, and protective sleeving for fishing line or hobby wire. The flexible polyolefin construction remains pliable after shrinking, making it well-suited for wiring that flexes in service.

ℹ️ Compatibility note: This is a standard 2:1 polyolefin heat shrink tube — not adhesive-lined. It is compatible with most copper, aluminum, and tinned wire conductors. For fully waterproof sealing, consider an adhesive-lined variant. If you need a diameter or color not shown, contact us to confirm availability.

✅ Key Features of These Polyolefin 2:1 Heat Shrink Tubes

  • 🔥2:1 Shrink Ratio — Shrinks to half its expanded diameter for a firm, uniform grip on wires, terminals, and connectors without bunching or splitting.
  • 📏Six Diameter Options — φ0.6mm, φ0.8mm, φ1.5mm, φ2mm, φ2.5mm, and φ3mm cover a wide range of small-gauge wire insulation and heat shrink sleeving needs in one product line.
  • 🎨13 Color Choices — Solid colors for circuit color-coding, transparent options for label visibility, and the IEC Yellow & Green bicolor for ground-wire identification in electrical panels.
  • 🛡️Flame-Retardant Polyolefin Material — Resists ignition and self-extinguishes, making this heat shrink tubing suitable for automotive wiring harnesses, marine electrical systems, and indoor panel wiring.
  • 🔄Flexible After Shrinking — Remains pliable once cooled, so it moves with the wire rather than cracking — important for cables that flex during use, such as automotive door harnesses or tool cords.
  • 📦Four Roll Lengths — 1M, 10M, 20M, and 50M options let you buy exactly what you need, from a single repair job to a full production run of cable assemblies.

📐 Technical Specifications — Polyolefin Heat Shrink Tubing

Material Polyolefin (flame-retardant)
Shrink Ratio 2:1
Diameter Range (Expanded) φ0.6mm – φ3mm (≈0.024" – 0.118")
Available Diameters φ0.6mm, φ0.8mm, φ1.5mm, φ2mm, φ2.5mm, φ3mm
Available Lengths 1M (≈3.3 ft), 10M (≈32.8 ft), 20M (≈65.6 ft), 50M (≈164 ft)
Colors Black, White, Red, Green, Blue, Transparent, Yellow, Thin and Transparent, Orange, Brown, Grey, Purple, Yellow & Green
Shrink Temperature Typically begins at ~70–90°C (158–194°F); full shrink at ~120°C (248°F)
Flexibility After Shrink Remains flexible; does not crack under normal bending
Flame Resistance Flame-retardant (self-extinguishing)
Voltage Rating See variant options / Contact us to confirm
Wall Thickness (Expanded) See variant options
Operating Temperature Range Contact us to confirm
⚠️ Spec note: Wall thickness and voltage rating vary by diameter. If your application requires confirmed electrical ratings, please contact us before ordering.

❓ Frequently Asked Questions

How do I choose the right diameter for my wires?

Select a tube whose expanded inner diameter is at least 1.1× the outer diameter of the wire or connector you need to cover. After shrinking at a 2:1 ratio, the tube will grip tightly. For example, a φ2mm tube typically covers objects up to about 2mm in diameter and shrinks down to approximately 1mm. When in doubt, size up — you can always apply more heat to achieve a snug fit.

What temperature is needed to shrink this tubing?

Polyolefin 2:1 heat shrink tubing generally begins to shrink at around 70–90°C (158–194°F) and achieves full shrinkage at approximately 120°C (248°F). A standard heat gun set to low or medium is typically sufficient. Avoid open flames, which can cause uneven shrinkage or scorching.

Is this tubing flame-retardant and safe for electrical use?

Yes. Polyolefin heat shrink tubing is generally rated flame-retardant and meets common electrical insulation standards. It is widely used for wire splicing, terminal insulation, and cable bundling in automotive, marine, and household electrical applications. For safety-critical or high-voltage installations, please confirm the specific voltage rating with us before ordering.

Can I use this tubing outdoors or in wet environments?

Standard polyolefin heat shrink tubing provides good moisture resistance and is suitable for most indoor and light outdoor applications. It is not a waterproof adhesive-lined tube, so for fully submersed or high-humidity environments, we recommend using adhesive-lined (3:1 or 4:1) heat shrink tubing instead. Contact us to confirm suitability for your specific use case.

What is the difference between 'Transparent', 'Thin and Transparent', and standard colors?

Standard colors (Black, White, Red, etc.) provide full opacity for color-coding and UV protection. 'Transparent' allows you to see the underlying wire or label through the tubing. 'Thin and Transparent' is a thinner-walled variant that offers a lower profile and is ideal for applications where minimal bulk is important, such as fine wire harnesses or delicate connectors.

How much tubing do I need — which length roll should I order?

For occasional repairs or small projects, a 1M roll is generally sufficient. For automotive wiring harnesses or workshop use, a 10M or 20M roll offers better value. The 50M roll is ideal for production runs or contractors who regularly use heat shrink sleeving. We recommend ordering one size up if you are unsure — leftover tubing stores easily on a spool.

Is the Yellow & Green color combination compliant with electrical grounding standards?

The Yellow & Green bicolor tubing is specifically designed to identify protective earth (ground) conductors, in line with IEC 60446 and common US/EU wiring conventions. It is widely used by electricians and panel builders to mark ground wires clearly. Always verify local code requirements before installation.

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

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