8mm Heat Shrink Tubing 2:1 Ratio – Electrical Wire Wrap Sleeve, 7 Colors
8mm Heat Shrink Tubing 2:1 Ratio – Electrical Wire Wrap Sleeve, 7 Colors
8mm Heat Shrink Tubing 2:1 Ratio – Electrical Wire Wrap Sleeve, 7 Colors
8mm Heat Shrink Tubing 2:1 Ratio – Electrical Wire Wrap Sleeve, 7 Colors
8mm Heat Shrink Tubing 2:1 Ratio – Electrical Wire Wrap Sleeve, 7 Colors
8mm Heat Shrink Tubing 2:1 Ratio – Electrical Wire Wrap Sleeve, 7 Colors
8mm Heat Shrink Tubing 2:1 Ratio – Electrical Wire Wrap Sleeve, 7 Colors
8mm Heat Shrink Tubing 2:1 Ratio – Electrical Wire Wrap Sleeve, 7 Colors
8mm Heat Shrink Tubing 2:1 Ratio – Electrical Wire Wrap Sleeve, 7 Colors
8mm Heat Shrink Tubing 2:1 Ratio – Electrical Wire Wrap Sleeve, 7 Colors
8mm Heat Shrink Tubing 2:1 Ratio – Electrical Wire Wrap Sleeve, 7 Colors
8mm Heat Shrink Tubing 2:1 Ratio – Electrical Wire Wrap Sleeve, 7 Colors
8mm Heat Shrink Tubing 2:1 Ratio – Electrical Wire Wrap Sleeve, 7 Colors
8mm Heat Shrink Tubing 2:1 Ratio – Electrical Wire Wrap Sleeve, 7 Colors
Roll over image to zoom in Click on image to zoom
8mm Heat Shrink Tubing 2:1 Ratio – Electrical Wire Wrap Sleeve, 7 Colors8mm Heat Shrink Tubing 2:1 Ratio – Electrical Wire Wrap Sleeve, 7 Colors8mm Heat Shrink Tubing 2:1 Ratio – Electrical Wire Wrap Sleeve, 7 Colors8mm Heat Shrink Tubing 2:1 Ratio – Electrical Wire Wrap Sleeve, 7 Colors8mm Heat Shrink Tubing 2:1 Ratio – Electrical Wire Wrap Sleeve, 7 Colors8mm Heat Shrink Tubing 2:1 Ratio – Electrical Wire Wrap Sleeve, 7 Colors8mm Heat Shrink Tubing 2:1 Ratio – Electrical Wire Wrap Sleeve, 7 Colors8mm Heat Shrink Tubing 2:1 Ratio – Electrical Wire Wrap Sleeve, 7 Colors8mm Heat Shrink Tubing 2:1 Ratio – Electrical Wire Wrap Sleeve, 7 Colors8mm Heat Shrink Tubing 2:1 Ratio – Electrical Wire Wrap Sleeve, 7 Colors8mm Heat Shrink Tubing 2:1 Ratio – Electrical Wire Wrap Sleeve, 7 Colors8mm Heat Shrink Tubing 2:1 Ratio – Electrical Wire Wrap Sleeve, 7 Colors8mm Heat Shrink Tubing 2:1 Ratio – Electrical Wire Wrap Sleeve, 7 Colors8mm Heat Shrink Tubing 2:1 Ratio – Electrical Wire Wrap Sleeve, 7 Colors

8mm Heat Shrink Tubing 2:1 Ratio – Electrical Wire Wrap Sleeve, 7 Colors

HomeDIYer
No reviews

By HomeDIYer®

Price:
$1.35 USD
Stock:
In stock (500 units), ready to be shipped

Payment & Security

Ach Direct Debit Amazon American Express Apple Pay Bancontact Diners Club Discover Google Pay iDEAL Wero Mastercard PayPal Shop Pay USDC Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Quantity Discount Promotion
🎯 BULK DISCOUNT: Buy More, Save More!
Buy 2 Items
5% OFF
Buy 4 Items
10% OFF
Buy 6 Items
15% OFF
✅ Auto-discount • 🔄 Mix & match
Expert

DIY Expert Support

Get fitment advice & recommendations

Mon-Fri, 8:30AM-8PM
WhatsApp WhatsApp Email
⚡
24-Hour Fast Ship
🚚
Arrives in 3-14 days
🌍
Global Reach
↩️
30-Day Returns
🌱 1 tree planted with every purchase

Description

8mm Heat Shrink Tubing — Reliable Insulation for Electrical Wire Splices & Connections

Exposed wire splices, corroded terminals, and unprotected connections are a constant headache for automotive enthusiasts, marine riggers, and home electricians alike. One failed joint can mean a blown fuse, a short circuit, or hours of troubleshooting. This 8mm heat shrink tubing gives hobbyists and professionals a fast, clean way to insulate, seal, and protect electrical connections without tape that unravels or connectors that loosen over time.

Each order includes a continuous length of 2:1 ratio polyolefin heat shrink tubing with an inner diameter of 8mm (≈5/16"). Available in lengths of 1m (≈3.3 ft), 2m (≈6.6 ft), 5m (≈16.4 ft), and 10m (≈32.8 ft), and offered in seven colors — Black, White, Red, Green, Yellow, Blue, and Transparent — so you can color-code your wiring runs or match an existing standard. The 2:1 shrink ratio means the tubing recovers to approximately 4mm inner diameter, forming a firm, uniform sleeve around the wire or connector.

Typical use cases include automotive wire harness repair, marine electrical connections, DIY home wiring projects, RC hobby builds, and workshop tool cord repairs — anywhere you need a clean, durable sleeve for electrical wire insulation and cable management.

🔌 Compatibility: Fits wire bundles and cables up to approximately 7–7.5mm outer diameter. Suitable for use with standard copper wire, stranded wire, and most connector terminals. Works with any heat gun capable of reaching 90–120°C (194–248°F).

✅ Key Features of These 8mm Heat Shrink Tubing Sleeves

  • 🔥2:1 Shrink Ratio — Recovers from 8mm down to approximately 4mm inner diameter, creating a snug, uniform sleeve that conforms tightly to wires, splices, and connector barrels for secure electrical wire insulation.
  • 🎨7 Color Options — Available in Black, White, Red, Green, Yellow, Blue, and Transparent, making it easy to color-code wiring runs, follow automotive wiring standards, or keep connections visually organized in complex harnesses.
  • 📏4 Length Options — Choose from 1m, 2m, 5m, or 10m rolls to match your project scale, whether it's a single splice repair or a full vehicle rewire with multiple heat shrink wire connections.
  • ⚡Polyolefin Construction — Made from polyolefin material, which is generally recognized for its flexibility after shrinking, resistance to common automotive fluids, and stable performance across a range of operating temperatures.
  • ✂️Easy to Cut & Apply — Cuts cleanly with standard scissors or a utility knife. Slide over the wire before connecting, then apply even heat with a heat gun — no special tools required for most DIY electrical cable sleeve applications.
  • 🔍Transparent Option for Visibility — The clear variant lets you inspect the wire or read labels underneath the sleeve without removing it, useful for quality checks on automotive wiring harness repairs or labeled data cables.

📐 Technical Specifications — 8mm Heat Shrink Tubing

Inner Diameter (Before Shrink) 8mm (≈5/16")
Inner Diameter (After Shrink) Typically ≈4mm (≈5/32") at full recovery
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)
Recommended Shrink Temperature Typically 90–120°C (194–248°F)
Wall Thickness (After Shrink) See variant options
Operating Temperature Range Contact us to confirm
Voltage Rating Contact us to confirm
RoHS / Halogen-Free Contact us to confirm
Suitable Applications Automotive wiring, marine electrical, DIY home wiring, hobby electronics, cable management
⚠️ Note: Always measure your cable's outer diameter before ordering. The 8mm inner diameter accommodates cables up to approximately 7–7.5mm OD. For engine bay or prolonged outdoor use, contact us to confirm temperature and environmental ratings.

❓ Frequently Asked Questions

What length of heat shrink tubing do I need?

Measure the section of wire or splice you need to cover, then add at least 10–15mm (≈1/2") of overlap on each end. For most automotive or household wiring jobs, 1m or 2m lengths are sufficient for a single run. Choose 5m or 10m rolls if you have multiple connections or a larger project — for example, a full vehicle rewire or a workshop with many cable repairs.

What does 2:1 shrink ratio mean?

A 2:1 ratio means the tubing shrinks to approximately half its original inner diameter when heat is applied. This 8mm tubing will typically recover to around 4mm inner diameter, creating a snug, secure fit over the wire or connector. The tighter the fit after shrinking, the better the mechanical protection and insulation.

Can I use this heat shrink tubing outdoors or in a vehicle engine bay?

This tubing is generally suitable for automotive wiring, including under-dash and interior applications. For prolonged outdoor exposure or high-heat engine bay environments, look for tubing rated for higher temperatures or with an adhesive-lined interior for added moisture sealing. Contact us to confirm suitability for your specific environment before ordering.

What wire gauge does 8mm heat shrink tubing fit?

With an 8mm inner diameter before shrinking, this tubing typically fits wire bundles, connectors, or individual cables up to approximately 7–7.5mm in outer diameter. It is commonly used with wire gauges ranging from 10 AWG up to larger multi-wire bundles. Always measure your cable's outer diameter before ordering to ensure a proper fit.

How do I apply heat shrink tubing correctly?

Slide the tubing over the wire before making your connection. Once the splice or terminal is in place, apply even heat using a heat gun set to 90–120°C (194–248°F), moving it back and forth along the tubing until it shrinks uniformly. Avoid using an open flame, as it can scorch or unevenly shrink the material and may damage the wire insulation underneath.

Which color should I choose for my wiring project?

Color choice is typically used for wire identification and organization. Common conventions include black for ground wires, red for positive/power lines, blue for signal lines, and green or yellow for safety/earth grounds. Transparent tubing lets you see the wire or read a label underneath without removing the sleeve. Choose the color that matches your wiring standard or project needs.

Is this tubing RoHS compliant or halogen-free?

Compliance details can vary by production batch. If RoHS compliance or halogen-free certification is required for your application — such as in industrial electronics or regulated automotive assemblies — please contact us to confirm before ordering.

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

You may also like

Recently viewed