80mm 2:1 Heat Shrink Tubing – Electrical Insulation Sleeve for Large Cable & Wire
80mm 2:1 Heat Shrink Tubing – Electrical Insulation Sleeve for Large Cable & Wire
80mm 2:1 Heat Shrink Tubing – Electrical Insulation Sleeve for Large Cable & Wire
80mm 2:1 Heat Shrink Tubing – Electrical Insulation Sleeve for Large Cable & Wire
80mm 2:1 Heat Shrink Tubing – Electrical Insulation Sleeve for Large Cable & Wire
80mm 2:1 Heat Shrink Tubing – Electrical Insulation Sleeve for Large Cable & Wire
80mm 2:1 Heat Shrink Tubing – Electrical Insulation Sleeve for Large Cable & Wire
80mm 2:1 Heat Shrink Tubing – Electrical Insulation Sleeve for Large Cable & Wire
80mm 2:1 Heat Shrink Tubing – Electrical Insulation Sleeve for Large Cable & Wire
80mm 2:1 Heat Shrink Tubing – Electrical Insulation Sleeve for Large Cable & Wire
80mm 2:1 Heat Shrink Tubing – Electrical Insulation Sleeve for Large Cable & Wire
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80mm 2:1 Heat Shrink Tubing – Electrical Insulation Sleeve for Large Cable & Wire80mm 2:1 Heat Shrink Tubing – Electrical Insulation Sleeve for Large Cable & Wire80mm 2:1 Heat Shrink Tubing – Electrical Insulation Sleeve for Large Cable & Wire80mm 2:1 Heat Shrink Tubing – Electrical Insulation Sleeve for Large Cable & Wire80mm 2:1 Heat Shrink Tubing – Electrical Insulation Sleeve for Large Cable & Wire80mm 2:1 Heat Shrink Tubing – Electrical Insulation Sleeve for Large Cable & Wire80mm 2:1 Heat Shrink Tubing – Electrical Insulation Sleeve for Large Cable & Wire80mm 2:1 Heat Shrink Tubing – Electrical Insulation Sleeve for Large Cable & Wire80mm 2:1 Heat Shrink Tubing – Electrical Insulation Sleeve for Large Cable & Wire80mm 2:1 Heat Shrink Tubing – Electrical Insulation Sleeve for Large Cable & Wire80mm 2:1 Heat Shrink Tubing – Electrical Insulation Sleeve for Large Cable & Wire

80mm 2:1 Heat Shrink Tubing – Electrical Insulation Sleeve for Large Cable & Wire

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Beschreibung

80mm 2:1 Heat Shrink Tubing — Reliable Electrical Insulation for Large Cables & Wire Bundles

When you're working with large cable bundles, thick wire harnesses, or oversized conduit runs, standard heat shrink tubing simply won't fit. Electricians, automotive technicians, marine riggers, and industrial maintenance crews all face the same frustration: finding a sleeve wide enough to cover the job cleanly without splitting or leaving gaps. This 80mm 2:1 heat shrink tubing is built for exactly those situations — delivering a snug, professional finish on large-diameter cables and multi-wire assemblies.

Each piece is made from flexible polyolefin material and features a 2:1 shrink ratio, meaning the 80mm (≈3.15") inner diameter shrinks down to approximately 40mm (≈1.57") when heat is applied. Available in lengths of 1 Meter (≈39.4"), 2 Meter (≈78.7"), and 3 Meter (≈118.1"), and offered in seven colors — Black, White, Red, Green, Yellow, Blue, and Transparent — so you can color-code circuits or match your installation requirements.

Typical use cases include insulating large automotive wire harnesses, protecting marine cable runs from abrasion and moisture, bundling industrial conduit or multi-conductor cables, and adding a clean finished look to DIY electrical projects involving heavy-gauge wiring. The transparent option is especially useful when you need to keep labels or markings visible after installation.

🔌 Compatibility: Fits cable bundles and conductors up to approximately 75mm in diameter. Suitable for copper, aluminum, and insulated conductors in electrical, automotive, marine, and industrial applications. Confirm bundle diameter before ordering.

✅ Key Features of These 80mm 2:1 Heat Shrink Tubing Sleeves

  • 🔥2:1 Shrink Ratio — Shrinks from 80mm (≈3.15") down to approximately 40mm (≈1.57"), creating a tight, conforming fit around large cable bundles and wire harnesses.
  • 🛡️Polyolefin Construction — Flexible, durable polyolefin material provides solid electrical insulation and resistance to abrasion, making it well-suited for demanding wiring environments.
  • 🎨7 Color Options — Black, White, Red, Green, Yellow, Blue, and Transparent allow easy circuit color-coding and visual identification across complex wiring systems.
  • 📏Three Length Choices — Available in 1m (≈39.4"), 2m (≈78.7"), and 3m (≈118.1") to match your project scale without unnecessary waste or splicing.
  • 💧Moisture-Resistant Sleeve — Provides a protective barrier against moisture ingress and environmental contaminants in light outdoor and indoor cable management applications.
  • ✂️Easy to Cut and Apply — Cuts cleanly with standard scissors or a utility knife; shrinks evenly with a heat gun for a smooth, wrinkle-free finish on large-diameter wire insulation sleeves.

📐 Technical Specifications — 80mm Heat Shrink Tubing

Product Type Heat Shrink Tubing / Electrical Insulation Sleeve
Inner Diameter (Before Shrink) 80mm (≈3.15")
Inner Diameter (After Shrink) Approximately 40mm (≈1.57")
Shrink Ratio 2:1
Material Polyolefin
Available Lengths 1 Meter (≈39.4"), 2 Meter (≈78.7"), 3 Meter (≈118.1")
Available Colors Black, White, Red, Green, Yellow, Blue, Transparent
Activation Temperature Typically ~90°C (194°F); full shrink at ~120°C (248°F)
Wall Thickness (After Shrink) See variant options
Voltage Rating Contact us to confirm
Application Method Heat gun recommended
Suitable For Electrical, automotive, marine, industrial cable management
⚠️ Note: Always measure your cable or bundle diameter before selecting a size. For waterproof or submersible installations, consider adhesive-lined dual-wall heat shrink tubing.

❓ Frequently Asked Questions

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

Measure the section of cable or splice you need to cover, then add at least 10–15mm (≈0.4–0.6") of overlap on each end. For runs longer than 3 meters, simply overlap two pieces by about 20mm (≈0.8") for a continuous seal. Available in 1 Meter (≈39.4"), 2 Meter (≈78.7"), and 3 Meter (≈118.1") lengths.

What shrink ratio does this tubing use, and what does 2:1 mean?

A 2:1 ratio means the tubing shrinks to approximately half its original diameter when heat is applied. This 80mm tubing will shrink down to roughly 40mm (≈1.6"), making it suitable for large cables, conduit bundles, and thick wire harnesses.

What temperature is needed to shrink this tubing?

Polyolefin heat shrink tubing typically activates at around 90°C (194°F) and fully shrinks at approximately 120°C (248°F). A heat gun is recommended for even, controlled shrinkage. Avoid open flames, which can cause uneven shrinking or scorching.

Can this heat shrink tubing be used outdoors or in wet environments?

Standard polyolefin heat shrink tubing generally provides good moisture resistance and is suitable for most indoor and light outdoor applications. For fully waterproof or submersible installations, we recommend using adhesive-lined (dual-wall) heat shrink tubing instead. Contact us to confirm suitability for your specific environment.

What cable or wire sizes fit inside 80mm heat shrink tubing?

With an inner diameter of 80mm (≈3.15") before shrinking, this tubing is designed for large-diameter cables, conduit bundles, pipe insulation, and multi-wire harnesses. It generally accommodates cable bundles or individual cables up to approximately 70–75mm in diameter. Always measure your cable bundle diameter before ordering.

Is this tubing compatible with standard electrical wiring and automotive applications?

Yes. Polyolefin heat shrink tubing is widely used in electrical wiring, automotive wire harnesses, marine cable management, and industrial applications. It is generally RoHS-compliant and compatible with copper, aluminum, and most insulated conductors. Confirm specific compliance requirements with us if needed.

Do the colors affect performance, or are they purely for identification?

The colors (Black, White, Red, Green, Yellow, Blue, Transparent) are primarily for color-coding and visual identification of circuits or cable groups. All colors share the same electrical insulation and shrink performance. Transparent tubing allows you to see the underlying cable or label after shrinking.

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

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