Heat Shrink Tubing 2:1 — φ0.6mm to φ70mm, 7 Colors, 1M Lengths
Heat Shrink Tubing 2:1 — φ0.6mm to φ70mm, 7 Colors, 1M Lengths
Heat Shrink Tubing 2:1 — φ0.6mm to φ70mm, 7 Colors, 1M Lengths
Heat Shrink Tubing 2:1 — φ0.6mm to φ70mm, 7 Colors, 1M Lengths
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Heat Shrink Tubing 2:1 — φ0.6mm to φ70mm, 7 Colors, 1M LengthsHeat Shrink Tubing 2:1 — φ0.6mm to φ70mm, 7 Colors, 1M LengthsHeat Shrink Tubing 2:1 — φ0.6mm to φ70mm, 7 Colors, 1M LengthsHeat Shrink Tubing 2:1 — φ0.6mm to φ70mm, 7 Colors, 1M Lengths

Heat Shrink Tubing 2:1 — φ0.6mm to φ70mm, 7 Colors, 1M Lengths

HomeDIYer
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By HomeDIYer®

Price:
$2.98 USD
Stock:
In stock (500 units), ready to be shipped

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Description

Heat Shrink Tubing 2:1 — Reliable Wire Insulation for Every Diameter

Whether you're repairing a frayed automotive harness, protecting marine wiring from moisture, or organizing a DIY electronics project, finding the right heat shrink tubing in the exact diameter you need shouldn't be a scavenger hunt. Electricians, hobbyists, and repair technicians all face the same frustration: mismatched sizes, limited color options, and tubing that splits or slides off before it even shrinks. This listing solves that.

Each order includes one 1-meter (≈39.4") length of 2:1 ratio polyolefin heat shrink tubing. Available in diameters from φ0.6mm (≈0.024") up to φ70mm (≈2.76"), and in 7 colors — Black, White, Red, Green, Yellow, Blue, and Transparent — so you can color-code circuits or match existing wiring. The 2:1 shrink ratio means the tubing recovers to approximately half its listed inner diameter when heated to around 120°C (248°F).

Typical use cases include insulating wire splices and solder joints for automotive wiring repair, bundling and labeling cables in home theater or server rack installations, and protecting connector terminals in marine or outdoor electrical systems. The flame-retardant polyolefin construction makes it a dependable choice for heat shrink wire connectors, cable sleeving projects, and general electrical insulation tasks.

🔌 Compatible with standard heat guns, soldering station hot-air attachments, and most 2:1 polyolefin heat shrink applications. Not adhesive-lined — for waterproof sealing, see our adhesive-lined options.

✅ Key Features of These Heat Shrink Tubing Sleeves

  • 📐Wide Diameter Range — Covers φ0.6mm through φ70mm in a single product line, so you can find the right fit for thin signal wires or large cable bundles without ordering from multiple suppliers.
  • 🔥2:1 Shrink Ratio — Shrinks to approximately half its original inner diameter when heated to around 120°C (248°F), creating a snug, uniform sleeve over splices, terminals, and connectors.
  • 🛡️Flame-Retardant Polyolefin — The tubing material is self-extinguishing and resists oils, solvents, and mild abrasion, making it suitable for automotive wiring harness repair and industrial cable management.
  • 🎨7 Color Options — Black, White, Red, Green, Yellow, Blue, and Transparent allow color-coded circuit identification and clean, professional-looking cable sleeving installations.
  • 📏1-Meter Cut Lengths — Each piece is a full 1 meter (≈39.4") so you can cut to the exact length needed for each wire splice or connector without waste from bulk spools.
  • ⚡Electrical Insulation Performance — Provides dielectric insulation over solder joints and bare conductors, helping prevent short circuits in low-voltage DC wiring, hobby electronics, and repair applications.

📐 Technical Specifications — Heat Shrink Tubing 2:1 Polyolefin

Product Type Heat Shrink Tubing
Shrink Ratio 2:1
Material Flame-retardant polyolefin
Diameter Range φ0.6mm (≈0.024") — φ70mm (≈2.76")
Length per Piece 1 meter (≈39.4")
Available Colors Black, White, Red, Green, Yellow, Blue, Transparent
Shrink Temperature Typically begins at ~70–90°C (158–194°F); full recovery at ~120°C (248°F)
Continuous Use Temperature Typically up to ~125°C (257°F) — contact us to confirm
Adhesive Lined No — standard (non-adhesive) tubing
Flame Retardancy Self-extinguishing (see variant options for certification details)
Recommended Tool Heat gun or hot-air station
Quantity per Order 1 piece (1 meter length)
⚠️ Diameter listed is the expanded (pre-shrink) inner diameter. After heating, the tubing will shrink to approximately half that size. Measure your cable or connector OD before selecting a size. If you are unsure, contact us to confirm the right fit.

❓ Frequently Asked Questions

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

Measure the outer diameter (OD) of the cable or connector you need to cover. Choose a tubing diameter that is slightly larger — typically 10–20% larger — so it slides on easily before shrinking. With a 2:1 ratio, the tubing will shrink to approximately half its listed diameter when heat is applied.

Quick inch reference: φ6mm ≈ 1/4", φ12mm ≈ 1/2", φ25mm ≈ 1", φ50mm ≈ 2".

What shrink ratio does this tubing use?

This is a 2:1 shrink ratio tubing. It will shrink to approximately half its original inner diameter when heated. For example, φ20mm (≈3/4") tubing will recover to roughly φ10mm (≈3/8") after full shrinkage.

What temperature is needed to shrink this 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. Avoid applying an open flame directly to the tubing, as this can cause uneven shrinkage or scorching.

Is this heat shrink tubing suitable for outdoor or wet environments?

Standard polyolefin heat shrink tubing provides basic moisture resistance and is generally suitable for light outdoor use. However, it is not waterproof and does not contain an adhesive inner lining. For fully waterproof or submersible applications, adhesive-lined (3:1 or 4:1) heat shrink tubing is recommended. Contact us to confirm suitability for your specific environment.

What is this heat shrink tubing made of, and is it RoHS compliant?

This tubing is typically made from flame-retardant polyolefin, a widely used material for electrical insulation. It is generally RoHS-compliant in standard formulations and is typically rated for continuous use up to approximately 125°C (257°F). Contact us to confirm specific material certifications for your application.

Can I use this tubing for automotive wiring repair?

Yes. Polyolefin heat shrink tubing is commonly used in automotive wiring harnesses, connector insulation, and wire bundling. It provides good resistance to oils, fuels, and vibration in most standard automotive environments. For high-heat engine bay locations, confirm the temperature rating is sufficient for your specific installation point.

How much tubing do I receive per order?

Each variant is sold as a 1-meter (≈39.4") length. Select your preferred diameter and color from the options above. If you need longer lengths or bulk quantities, please contact us and we will do our best to accommodate your order.

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

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