25mm Heat Shrink Tubing 2:1 – Electrical Cable Wire Wrap, Multiple Colors
25mm Heat Shrink Tubing 2:1 – Electrical Cable Wire Wrap, Multiple Colors
25mm Heat Shrink Tubing 2:1 – Electrical Cable Wire Wrap, Multiple Colors
25mm Heat Shrink Tubing 2:1 – Electrical Cable Wire Wrap, Multiple Colors
25mm Heat Shrink Tubing 2:1 – Electrical Cable Wire Wrap, Multiple Colors
25mm Heat Shrink Tubing 2:1 – Electrical Cable Wire Wrap, Multiple Colors
25mm Heat Shrink Tubing 2:1 – Electrical Cable Wire Wrap, Multiple Colors
25mm Heat Shrink Tubing 2:1 – Electrical Cable Wire Wrap, Multiple Colors
25mm Heat Shrink Tubing 2:1 – Electrical Cable Wire Wrap, Multiple Colors
25mm Heat Shrink Tubing 2:1 – Electrical Cable Wire Wrap, Multiple Colors
25mm Heat Shrink Tubing 2:1 – Electrical Cable Wire Wrap, Multiple Colors
25mm Heat Shrink Tubing 2:1 – Electrical Cable Wire Wrap, Multiple Colors
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25mm Heat Shrink Tubing 2:1 – Electrical Cable Wire Wrap, Multiple Colors25mm Heat Shrink Tubing 2:1 – Electrical Cable Wire Wrap, Multiple Colors25mm Heat Shrink Tubing 2:1 – Electrical Cable Wire Wrap, Multiple Colors25mm Heat Shrink Tubing 2:1 – Electrical Cable Wire Wrap, Multiple Colors25mm Heat Shrink Tubing 2:1 – Electrical Cable Wire Wrap, Multiple Colors25mm Heat Shrink Tubing 2:1 – Electrical Cable Wire Wrap, Multiple Colors25mm Heat Shrink Tubing 2:1 – Electrical Cable Wire Wrap, Multiple Colors25mm Heat Shrink Tubing 2:1 – Electrical Cable Wire Wrap, Multiple Colors25mm Heat Shrink Tubing 2:1 – Electrical Cable Wire Wrap, Multiple Colors25mm Heat Shrink Tubing 2:1 – Electrical Cable Wire Wrap, Multiple Colors25mm Heat Shrink Tubing 2:1 – Electrical Cable Wire Wrap, Multiple Colors25mm Heat Shrink Tubing 2:1 – Electrical Cable Wire Wrap, Multiple Colors

25mm Heat Shrink Tubing 2:1 – Electrical Cable Wire Wrap, Multiple Colors

HomeDIYer
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By HomeDIYer®

Price:
$2.71 USD
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In stock (500 units), ready to be shipped

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Description

25mm Heat Shrink Tubing — Reliable Insulation for Electrical Cable Wire Wrap

Whether you're chasing down a wiring fault in your car, tidying up a home electrical panel, or protecting a marine cable splice from moisture, loose or exposed wires are a safety hazard you can't ignore. This 25mm heat shrink tubing gives electricians, automotive technicians, and serious DIYers a fast, clean way to insulate, bundle, and protect cable connections without tape that unravels or connectors that corrode.

Each order includes a continuous length of 2:1 ratio heat shrink tubing with a 25mm (≈1") inner diameter before shrinking, available in lengths of 1 Metre (≈3.3 ft), 2 Metre (≈6.6 ft), 5 Metre (≈16.4 ft), or 10 Metre (≈32.8 ft). The tubing is made from polyolefin, a material known for its flexibility, electrical insulation properties, and resistance to abrasion. Seven color options — Black, White, Red, Green, Yellow, Blue, and Transparent — make color-coded wiring organization straightforward.

Typical use cases include automotive wiring harness repair and protection, bundling multi-conductor cable runs in workshops or control panels, and sealing splice joints on outdoor or marine electrical installations where moisture ingress is a concern.

ℹ️ Compatibility: Fits cable bundles and connectors up to 25mm (≈1") in diameter. After shrinking at 2:1 ratio, recovered inner diameter is typically ≈12.5mm (≈1/2"). Confirm your cable bundle diameter before ordering.

✅ Key Features of These 25mm Heat Shrink Tubes

  • 🔥2:1 Shrink Ratio — Shrinks to approximately half its original diameter when heat is applied, creating a firm, conforming fit around cable bundles and connectors up to 25mm wide.
  • 🎨7 Color Options — Available in Black, White, Red, Green, Yellow, Blue, and Transparent to support color-coded wiring systems and circuit identification in automotive and electrical work.
  • 📏4 Length Options — Choose from 1m, 2m, 5m, or 10m to match the scale of your project, from a single splice repair to stocking a workshop with heat shrink tubing for electrical cable wrap.
  • 🛡️Polyolefin Construction — Offers solid electrical insulation, abrasion resistance, and flexibility across a range of temperatures, making it suitable for automotive wiring harness protection and indoor panel work.
  • 💧Moisture & Abrasion Resistance — Once shrunk, the tubing forms a protective sleeve that helps guard against moisture, dust, and mechanical wear — useful for outdoor cable splices and engine bay wiring.
  • ✂️Easy to Cut and Apply — Cuts cleanly with standard scissors or a utility knife; shrinks evenly with a heat gun for a consistent finish on cable wire wrap projects of any size.

📐 Technical Specifications — 25mm Heat Shrink Tubing

Inner Diameter (Before Shrink) 25mm (≈1")
Recovered Inner Diameter (After Shrink) Typically ≈12.5mm (≈1/2") at 2:1 ratio
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
Operating Temperature Range Contact us to confirm
Shrink Temperature Generally 70–120°C (158–248°F) for polyolefin tubing
Recommended Application Tool Heat gun
Typical Applications Automotive wiring, electrical cable insulation, cable bundling, splice protection
⚠️ Note: Wall thickness and exact operating temperature range vary by production batch. If your application has strict thermal or dielectric requirements, please contact us to confirm specifications before ordering.

❓ Frequently Asked Questions

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

Measure the total length of the cable or splice you need to cover, then add at least 10–15% extra to account for overlap at each end. For most automotive or home wiring jobs, 1m or 2m lengths are sufficient for individual repairs, while 5m or 10m rolls are better suited for larger projects or workshop stock.

What does 2:1 shrink ratio mean?

A 2:1 shrink ratio means the tubing will shrink to approximately half its original inner diameter when heat is applied. This 25mm tubing will typically shrink down to around 12.5mm (≈1/2"), creating a snug, secure fit around the cable or connector.

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

Yes. This tubing is generally suitable for automotive wiring harnesses, engine bay repairs, and outdoor electrical connections. It provides insulation against moisture and abrasion. For prolonged submersion or extreme chemical exposure, confirm suitability with your specific application requirements.

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 gives more consistent results and reduces the risk of scorching. Avoid open flames near sensitive components.

Is this tubing compatible with standard wire gauges and cable bundles?

With a 25mm inner diameter before shrinking, this tubing is designed for larger cable bundles, conduit ends, and multi-wire harnesses rather than individual small-gauge wires. It is generally compatible with cable bundles or connectors up to approximately 25mm in diameter. For smaller individual wires, consider a smaller diameter tubing.

How do I select the right color for my project?

Color coding is a common practice in electrical work to identify circuits or wire groups at a glance. Black is the most universal choice for general insulation. Red typically indicates positive/live wires, while other colors (Blue, Green, Yellow, White) are used for neutral, ground, or signal lines depending on your wiring standard. Transparent is useful when you need to see the underlying cable markings after installation.

How much does the tubing shrink in length when heat is applied?

Polyolefin heat shrink tubing typically experiences minimal longitudinal (lengthwise) shrinkage — generally less than 10% in most cases. The primary shrinkage is radial (diameter). Plan your cut lengths accordingly and always test on a scrap piece first if length precision is critical.

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

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