Heat Shrink Tubing 2:1 Ratio — φ2mm to φ210mm, 7 Colors, 1m Length
Heat Shrink Tubing 2:1 Ratio — φ2mm to φ210mm, 7 Colors, 1m Length
Heat Shrink Tubing 2:1 Ratio — φ2mm to φ210mm, 7 Colors, 1m Length
Heat Shrink Tubing 2:1 Ratio — φ2mm to φ210mm, 7 Colors, 1m Length
Heat Shrink Tubing 2:1 Ratio — φ2mm to φ210mm, 7 Colors, 1m Length
Heat Shrink Tubing 2:1 Ratio — φ2mm to φ210mm, 7 Colors, 1m Length
Heat Shrink Tubing 2:1 Ratio — φ2mm to φ210mm, 7 Colors, 1m Length
Heat Shrink Tubing 2:1 Ratio — φ2mm to φ210mm, 7 Colors, 1m Length
Heat Shrink Tubing 2:1 Ratio — φ2mm to φ210mm, 7 Colors, 1m Length
Heat Shrink Tubing 2:1 Ratio — φ2mm to φ210mm, 7 Colors, 1m Length
Heat Shrink Tubing 2:1 Ratio — φ2mm to φ210mm, 7 Colors, 1m Length
Heat Shrink Tubing 2:1 Ratio — φ2mm to φ210mm, 7 Colors, 1m Length
Heat Shrink Tubing 2:1 Ratio — φ2mm to φ210mm, 7 Colors, 1m Length
Heat Shrink Tubing 2:1 Ratio — φ2mm to φ210mm, 7 Colors, 1m Length
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Heat Shrink Tubing 2:1 Ratio — φ2mm to φ210mm, 7 Colors, 1m LengthHeat Shrink Tubing 2:1 Ratio — φ2mm to φ210mm, 7 Colors, 1m LengthHeat Shrink Tubing 2:1 Ratio — φ2mm to φ210mm, 7 Colors, 1m LengthHeat Shrink Tubing 2:1 Ratio — φ2mm to φ210mm, 7 Colors, 1m LengthHeat Shrink Tubing 2:1 Ratio — φ2mm to φ210mm, 7 Colors, 1m LengthHeat Shrink Tubing 2:1 Ratio — φ2mm to φ210mm, 7 Colors, 1m LengthHeat Shrink Tubing 2:1 Ratio — φ2mm to φ210mm, 7 Colors, 1m LengthHeat Shrink Tubing 2:1 Ratio — φ2mm to φ210mm, 7 Colors, 1m LengthHeat Shrink Tubing 2:1 Ratio — φ2mm to φ210mm, 7 Colors, 1m LengthHeat Shrink Tubing 2:1 Ratio — φ2mm to φ210mm, 7 Colors, 1m LengthHeat Shrink Tubing 2:1 Ratio — φ2mm to φ210mm, 7 Colors, 1m LengthHeat Shrink Tubing 2:1 Ratio — φ2mm to φ210mm, 7 Colors, 1m LengthHeat Shrink Tubing 2:1 Ratio — φ2mm to φ210mm, 7 Colors, 1m LengthHeat Shrink Tubing 2:1 Ratio — φ2mm to φ210mm, 7 Colors, 1m Length

Heat Shrink Tubing 2:1 Ratio — φ2mm to φ210mm, 7 Colors, 1m Length

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Beschreibung

Heat Shrink Tubing 2:1 — Reliable Wire Protection from φ2mm to φ210mm

Exposed wire ends, loose solder joints, and uninsulated connectors are a constant headache for electricians, hobbyists, and automotive technicians alike. One nick in the insulation can mean a short circuit, corrosion, or a failed inspection. 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 flexible polyolefin with a 2:1 shrink ratio. Available in diameters from φ2mm (≈5/64") up to φ210mm (≈8.3"), and in 7 colors — Black, White, Red, Green, Yellow, Blue, and Transparent — so you can color-code circuits or match your build. Sizes up to φ90mm are available in the full color range; φ100mm and above are available in Black and Transparent.

Typical use cases include insulating automotive wiring harnesses, protecting marine cable runs from moisture, bundling and labeling low-voltage control wiring, reinforcing solder joints on PCB leads, and covering exposed terminals on battery packs and power supplies.

🔌 Compatibility: Fits standard copper wire, crimp terminals, solder joints, and multi-conductor cables. Select a pre-shrink diameter 20–30% larger than your component's outer diameter for easy installation.

✅ Key Features of These Heat Shrink Tubes

  • 🔥2:1 Shrink Ratio — Shrinks to approximately half its original inner diameter, creating a snug, uniform fit around wires, connectors, and terminals without gaps or bunching.
  • 📏Wide Size Range — Available from φ2mm to φ210mm, covering everything from fine gauge hookup wire to large conduit and cable bundles in a single product line.
  • 🎨7 Color Options — Black, White, Red, Green, Yellow, Blue, and Transparent allow color-coded wiring identification, making circuit tracing and maintenance faster and less error-prone.
  • ⚡Polyolefin Construction — Flexible, low-odor polyolefin material provides solid electrical insulation and resists cracking or brittleness across a range of operating temperatures typically found in automotive and indoor electrical applications.
  • ✂️Cut-to-Length Convenience — Each 1m piece can be trimmed to any length with scissors before or after shrinking, reducing waste and giving you precise coverage on short solder joints or long cable runs.
  • 🛡️Moisture and Abrasion Resistance — Once shrunk, the tubing forms a protective sleeve that resists light moisture exposure, dust, and mechanical abrasion, extending the service life of wire insulation in demanding environments.

📐 Technical Specifications — Heat Shrink Tubing

Product Type Polyolefin Heat Shrink Tubing
Shrink Ratio 2:1
Available Diameters φ2mm (≈5/64") — φ210mm (≈8.3")
Length per Piece 1m (≈39.4")
Available Colors Black, White, Red, Green, Yellow, Blue, Transparent
Material Polyolefin
Shrink Temperature Typically begins at ~70–90°C (158–194°F); full recovery at ~120°C (248°F)
Operating Temperature See variant options
Wall Thickness (post-shrink) See variant options
Voltage Rating Contact us to confirm
Color Coding 7 colors available (see variant selector)
Compliance Contact us to confirm RoHS / halogen-free status
⚠️ Size tip: Always measure your wire or connector's outer diameter before ordering. Choose a tubing size that is 20–30% larger than the component so it slides on easily before shrinking.

❓ Frequently Asked Questions

How do I choose the right diameter for my wire?

Measure the outer diameter of your wire or connector before shrinking. Choose a tubing size that is typically 20–30% larger than the pre-shrink diameter so it slides on easily. For example, for a 4mm wire, a φ5mm or φ6mm tube generally works well. After heat is applied, the tubing shrinks to approximately half its original diameter (2:1 ratio). In inches: φ10mm ≈ 3/8", φ25mm ≈ 1", φ50mm ≈ 2".

What shrink ratio does this tubing use?

This heat shrink tubing uses a 2:1 shrink ratio, meaning it shrinks to approximately half its original inner diameter when heat is applied. For example, a φ10mm (≈3/8") tube will shrink down to roughly φ5mm (≈3/16"). This ratio is suitable for most standard wire insulation and connector covering tasks.

What temperature is needed to shrink the tubing?

This polyolefin 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 recommended for even, controlled shrinking. A lighter or match can work in a pinch but may cause uneven results or scorching on the tubing surface.

Can this tubing be used outdoors or in wet environments?

Standard polyolefin heat shrink tubing is generally moisture-resistant and suitable for light outdoor use such as garden lighting or automotive engine bays. However, it is not waterproof or adhesive-lined. For fully waterproof applications — such as marine wiring or underground cable splices — we recommend using adhesive-lined (3:1) heat shrink tubing instead. Contact us to confirm suitability for your specific environment.

What materials and connectors is this tubing compatible with?

This tubing is compatible with most standard wire gauges, copper conductors, crimp connectors, solder joints, and terminal ends. It works with both single-conductor and multi-conductor cables. The transparent option is especially useful when you need to see the underlying wire color or label after installation. Always verify the pre-shrink diameter matches your component before ordering.

Is this tubing RoHS compliant and halogen-free?

This tubing is generally manufactured from polyolefin material that is RoHS compliant. For specific certifications or halogen-free confirmation required for industrial or medical applications, please contact us to confirm before placing a large order.

Can I cut the tubing to a shorter length?

Yes. Each piece is 1 meter (≈39.4") long and can be cut to any shorter length with scissors or a utility knife before or after shrinking. The tubing does not fray when cut, making it easy to prepare precise lengths for individual solder joints or connector ends.

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

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