13mm Heat Shrink Tubing 2:1 Ratio – Electrical Wire Insulation Sleeve
13mm Heat Shrink Tubing 2:1 Ratio – Electrical Wire Insulation Sleeve
13mm Heat Shrink Tubing 2:1 Ratio – Electrical Wire Insulation Sleeve
13mm Heat Shrink Tubing 2:1 Ratio – Electrical Wire Insulation Sleeve
13mm Heat Shrink Tubing 2:1 Ratio – Electrical Wire Insulation Sleeve
13mm Heat Shrink Tubing 2:1 Ratio – Electrical Wire Insulation Sleeve
13mm Heat Shrink Tubing 2:1 Ratio – Electrical Wire Insulation Sleeve
13mm Heat Shrink Tubing 2:1 Ratio – Electrical Wire Insulation Sleeve
13mm Heat Shrink Tubing 2:1 Ratio – Electrical Wire Insulation Sleeve
13mm Heat Shrink Tubing 2:1 Ratio – Electrical Wire Insulation Sleeve
13mm Heat Shrink Tubing 2:1 Ratio – Electrical Wire Insulation Sleeve
13mm Heat Shrink Tubing 2:1 Ratio – Electrical Wire Insulation Sleeve
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13mm Heat Shrink Tubing 2:1 Ratio – Electrical Wire Insulation Sleeve

HomeDIYer
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By HomeDIYer®

Price:
$1.62 USD
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In stock (500 units), ready to be shipped

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Description

13mm Heat Shrink Tubing — Reliable Wire Insulation for Electrical & Automotive Repairs

Loose wire splices, exposed connectors, and unprotected cable ends are a headache for any DIYer, auto mechanic, or electrician. Whether you're rewiring a car harness, repairing a home appliance, or tidying up a workshop project, having the right 13mm heat shrink tubing on hand means you can seal, insulate, and protect connections in seconds — no tape, no mess.

Each roll is made from flexible polyolefin material with a 2:1 shrink ratio, meaning the tubing shrinks from 13mm (approximately 1/2") down to roughly 6.5mm (≈1/4") when heat is applied. Available in 7 colors — Black, White, Red, Green, Yellow, Blue, and Transparent — and in lengths of 1m (≈3.3 ft), 2m (≈6.6 ft), 5m (≈16.4 ft), and 10m (≈32.8 ft) to match your project scale.

Typical use cases include automotive wire harness repair, marine electrical connections, color-coding multi-conductor cables, and insulating solder joints on circuit boards. The flexible wall conforms tightly to irregular shapes, making it a go-to for heat shrink wire connectors and cable sleeve insulation projects.

ℹ️ Compatibility: Fits wire bundles and connectors up to approximately 12mm in diameter before shrinking. Recovered inner diameter is typically around 6.5mm. Verify your wire or connector OD before selecting a size.

✅ Key Features of These 13mm Heat Shrink Tubing Sleeves

  • 🔥2:1 Shrink Ratio — Shrinks from 13mm to approximately 6.5mm for a snug, form-fitting seal around wire splices and connectors.
  • 🎨7 Color Options — Black, White, Red, Green, Yellow, Blue, and Transparent allow easy color-coding of wire harnesses and cable assemblies.
  • 🛡️Moisture & Abrasion Resistance — Polyolefin construction provides a protective barrier against moisture ingress, mild chemicals, and mechanical abrasion in automotive and outdoor wiring applications.
  • ⚡Electrical Insulation — Creates a reliable insulating layer over solder joints, butt connectors, and exposed wire ends to reduce short-circuit risk.
  • ✂️Cut-to-Length Flexibility — Rolls of 1m, 2m, 5m, and 10m let you cut exactly what you need for each heat shrink cable sleeve job, minimizing waste.
  • 🚗Automotive & DIY Ready — Suitable for car wiring repairs, marine electrical connections, appliance cord repair, and general-purpose heat shrink wire insulation tasks.

📐 Technical Specifications — 13mm Heat Shrink Tubing

Product Type Heat Shrink Tubing / Cable Sleeve
Inner Diameter (Before Shrink) 13mm (≈1/2")
Recovered Inner Diameter (After Shrink) Typically ~6.5mm (≈1/4")
Shrink Ratio 2:1
Material Polyolefin
Available Colors Black, White, Red, Green, Yellow, Blue, Transparent
Available Lengths 1m (≈3.3 ft), 2m (≈6.6 ft), 5m (≈16.4 ft), 10m (≈32.8 ft)
Wall Thickness (Before Shrink) See variant options
Shrink Temperature Typically 70–120°C (158–248°F)
Operating Temperature Range Contact us to confirm
Voltage Rating Contact us to confirm
RoHS Compliance Contact us to confirm
Application Automotive wiring, electrical insulation, cable management, color-coding
⚠️ Note: Voltage rating and wall thickness vary by production batch. If your application requires certified electrical ratings, please contact us before ordering.

❓ Frequently Asked Questions

What length of heat shrink tubing do I need?

Measure the section of wire or connector you need to cover, then add at least 10–15mm (about 1/2") of overlap on each end. For most automotive or household wiring jobs, 1m or 2m is generally sufficient for a single repair. Choose 5m or 10m rolls if you have multiple connections or a larger project.

What does 2:1 shrink ratio mean?

A 2:1 ratio means the tubing shrinks to approximately half its original diameter when heat is applied. This 13mm tubing will typically shrink down to around 6.5mm, making it suitable for wires and connectors in that recovered size range.

Can this heat shrink tubing be used outdoors or in automotive applications?

Yes. Polyolefin heat shrink tubing is generally resistant to moisture, mild chemicals, and UV exposure, making it suitable for automotive wiring, outdoor electrical connections, and marine environments. For prolonged direct UV or chemical exposure, confirm suitability with us before ordering.

What tool do I use to shrink the tubing?

A heat gun is the recommended tool for even, controlled shrinking. In a pinch, a lighter or match can work for small sections, but a heat gun provides more consistent results and reduces the risk of scorching. Typically, shrinking begins around 70–120°C (158–248°F) depending on the material.

What wire sizes does 13mm heat shrink tubing fit before shrinking?

With a 13mm (approximately 1/2") inner diameter before shrinking, this tubing generally fits wire bundles, connectors, or cable ends up to about 12mm in diameter. After shrinking, it typically recovers to around 6.5mm. Check your wire or connector diameter before ordering.

Is the tubing RoHS compliant or halogen-free?

Polyolefin heat shrink tubing is in most cases manufactured to meet RoHS guidelines. For specific compliance certifications or halogen-free requirements, please contact us to confirm before placing your order.

Can I use this for color-coding wires?

Absolutely. This tubing is available in 7 colors — Black, White, Red, Green, Yellow, Blue, and Transparent — making it ideal for color-coding wire harnesses, circuit boards, and multi-conductor cable assemblies for easy identification.

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

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