Adhesive Heat Shrink Tubing 3:1 Ratio Φ4.8mm — Dual-Wall Electrical Sleeving
Adhesive Heat Shrink Tubing 3:1 Ratio Φ4.8mm — Dual-Wall Electrical Sleeving
Adhesive Heat Shrink Tubing 3:1 Ratio Φ4.8mm — Dual-Wall Electrical Sleeving
Adhesive Heat Shrink Tubing 3:1 Ratio Φ4.8mm — Dual-Wall Electrical Sleeving
Adhesive Heat Shrink Tubing 3:1 Ratio Φ4.8mm — Dual-Wall Electrical Sleeving
Adhesive Heat Shrink Tubing 3:1 Ratio Φ4.8mm — Dual-Wall Electrical Sleeving
Adhesive Heat Shrink Tubing 3:1 Ratio Φ4.8mm — Dual-Wall Electrical Sleeving
Adhesive Heat Shrink Tubing 3:1 Ratio Φ4.8mm — Dual-Wall Electrical Sleeving
Adhesive Heat Shrink Tubing 3:1 Ratio Φ4.8mm — Dual-Wall Electrical Sleeving
Adhesive Heat Shrink Tubing 3:1 Ratio Φ4.8mm — Dual-Wall Electrical Sleeving
Adhesive Heat Shrink Tubing 3:1 Ratio Φ4.8mm — Dual-Wall Electrical Sleeving
Adhesive Heat Shrink Tubing 3:1 Ratio Φ4.8mm — Dual-Wall Electrical Sleeving
Roll over image to zoom in Click on image to zoom
Adhesive Heat Shrink Tubing 3:1 Ratio Φ4.8mm — Dual-Wall Electrical SleevingAdhesive Heat Shrink Tubing 3:1 Ratio Φ4.8mm — Dual-Wall Electrical SleevingAdhesive Heat Shrink Tubing 3:1 Ratio Φ4.8mm — Dual-Wall Electrical SleevingAdhesive Heat Shrink Tubing 3:1 Ratio Φ4.8mm — Dual-Wall Electrical SleevingAdhesive Heat Shrink Tubing 3:1 Ratio Φ4.8mm — Dual-Wall Electrical SleevingAdhesive Heat Shrink Tubing 3:1 Ratio Φ4.8mm — Dual-Wall Electrical SleevingAdhesive Heat Shrink Tubing 3:1 Ratio Φ4.8mm — Dual-Wall Electrical SleevingAdhesive Heat Shrink Tubing 3:1 Ratio Φ4.8mm — Dual-Wall Electrical SleevingAdhesive Heat Shrink Tubing 3:1 Ratio Φ4.8mm — Dual-Wall Electrical SleevingAdhesive Heat Shrink Tubing 3:1 Ratio Φ4.8mm — Dual-Wall Electrical SleevingAdhesive Heat Shrink Tubing 3:1 Ratio Φ4.8mm — Dual-Wall Electrical SleevingAdhesive Heat Shrink Tubing 3:1 Ratio Φ4.8mm — Dual-Wall Electrical Sleeving

Adhesive Heat Shrink Tubing 3:1 Ratio Φ4.8mm — Dual-Wall Electrical Sleeving

HomeDIYer
No reviews

By HomeDIYer®

Price:
$3.35 USD
Stock:
In stock (500 units), ready to be shipped

Payment & Security

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

 

Adhesive Heat Shrink Tubing 3:1 Φ4.8mm — Waterproof Dual-Wall Electrical Sleeving

Dealing with exposed wire splices, corroded terminals, or connections that keep failing in damp conditions? Whether you're a DIY enthusiast tackling a home electrical project, an automotive technician repairing a wiring harness, or a marine installer protecting connections from salt spray, unreliable insulation is a constant frustration. This adhesive heat shrink tubing 3:1 is engineered to solve that problem with a single, clean application.

Each roll consists of dual-wall heat shrink tubing with a polyolefin outer layer and a hot-melt adhesive inner lining. The supplied diameter is Φ4.8mm (≈3/16"), and the 3:1 shrink ratio reduces it to approximately Φ1.6mm upon heating — conforming tightly around connectors, splices, and irregular shapes. Available in lengths from 1M (≈3.3 ft) to 100M (≈328 ft) and in seven colors: Black, White, Red, Green, Yellow, Blue, and Transparent.

Typical applications include automotive wiring harness repair and connector sealing, marine and RV electrical protection against moisture and vibration, and panel wiring organization in workshops, control cabinets, and DIY electronics builds where color-coded cable identification is needed.

🔌 Compatibility: Fits wire bundles and terminals generally in the AWG 10–16 range (approx. 2.5–6mm²). Verify your connector or bundle diameter against the Φ4.8mm supplied size before ordering. All standard heat guns operating at 120°C (248°F) or above are compatible.

✅ Key Features of These Adhesive Heat Shrink Tubes

  • 💧Waterproof Adhesive Inner Layer — The hot-melt adhesive lining flows during shrinking to seal out moisture, making this dual-wall heat shrink tubing suitable for marine wiring, outdoor junction boxes, and other wet-environment cable protection.
  • 🔥3:1 Shrink Ratio for Tight Conformance — A 3:1 ratio provides significantly more coverage than standard 2:1 tubing, allowing the sleeve to grip irregular connector shapes, stepped diameters, and wire bundles securely after shrinking.
  • 🎨7 Color Options for Circuit Identification — Available in Black, White, Red, Green, Yellow, Blue, and Transparent so you can color-code wiring circuits, polarity, or cable runs for faster troubleshooting and cleaner installations.
  • 📏Flexible Length Selection from 1M to 100M — Choose exactly the quantity you need, from a 1M (≈3.3 ft) sample roll for a single repair to a 100M (≈328 ft) bulk spool for production wiring or large-scale panel builds.
  • ⚡Polyolefin Outer Shell for Electrical Insulation — The outer layer provides reliable dielectric insulation and resists common chemicals, oils, and UV exposure typically encountered in automotive and industrial wiring environments.
  • ✂️Cut-to-Length Convenience — Supplied as a continuous roll, this electrical sleeving cable heatshrink tube can be cut to any length needed on the job, reducing waste and giving you full control over coverage on each connection.

📐 Technical Specifications — Adhesive Heat Shrink Tubing

Product Type Dual-Wall Adhesive Heat Shrink Tubing
Shrink Ratio 3:1
Supplied Diameter Φ4.8mm (≈3/16")
Recovered Diameter (approx.) ≈Φ1.6mm (≈1/16")
Outer Material Polyolefin
Inner Layer Hot-melt adhesive (waterproof sealant)
Activation Temperature (approx.) 70–90°C (158–194°F)
Full Shrink Temperature (approx.) 120°C (248°F)
Available Colors Black, White, Red, Green, Yellow, Blue, Transparent
Available Lengths 1M, 2M, 5M, 10M, 20M, 30M, 40M, 50M, 80M, 100M
Recommended Wire Range (approx.) AWG 10–16 (≈2.5–6mm²) — See variant options to confirm
Operating Temperature Range Contact us to confirm for your specific application
Application Tool Heat gun (recommended); avoid open flame
⚠️ Sizing Note: The Φ4.8mm diameter listed is the before-shrink (supplied) size. Always measure your wire bundle or connector at its widest point and confirm it fits within this diameter before ordering. If you need a different diameter, contact us.

❓ Frequently Asked Questions

How do I choose the right length for my project?

Measure the total run of wire or cable you need to protect, then add 10–15% for overlap and trimming. For example, a 10M (≈32.8 ft) roll is generally sufficient for most automotive harness repairs, while 30M–50M rolls suit larger panel wiring or marine installations. The 1M and 2M options are ideal for single-connection repairs or testing fit before committing to a bulk roll.

What shrink ratio does this tubing use, and what does 3:1 mean?

A 3:1 shrink ratio means the tubing shrinks to one-third of its original diameter when heat is applied. The Φ4.8mm supplied diameter typically shrinks down to approximately Φ1.6mm, allowing it to conform tightly around irregular shapes, connectors, and splices. This is more aggressive than standard 2:1 tubing and is preferred for stepped or non-uniform surfaces.

Is this tubing waterproof and suitable for outdoor or marine use?

Yes. The dual-wall construction includes an inner adhesive layer that melts and flows during shrinking to create a moisture-resistant seal around the wire or connector. This makes it generally suitable for outdoor, marine, and other moisture-exposed environments. For fully submerged or continuous immersion applications, please contact us to confirm suitability.

What temperature is needed to shrink this tubing?

This tubing typically begins to activate at around 70–90°C (158–194°F) and fully shrinks at approximately 120°C (248°F). A heat gun is strongly recommended for even, controlled shrinking. Avoid open flames, which can cause uneven shrinkage, scorching, or damage to the adhesive layer.

What wire gauge or connector size does Φ4.8mm fit?

The Φ4.8mm supplied diameter is generally compatible with wire bundles, connectors, and terminals in the range of approximately AWG 10–16 (or roughly 2.5–6mm² cross-section). Always verify the diameter of your specific connector or bundle before ordering. If your application falls outside this range, contact us for guidance on other available sizes.

Can I use this tubing for automotive wiring repairs?

Yes. Adhesive-lined 3:1 heat shrink tubing is widely used for automotive wiring harness repairs, battery terminal protection, and connector sealing. The adhesive inner layer bonds to wire insulation to resist vibration and moisture ingress common in vehicle environments. It is also commonly used in motorcycle, RV, and trailer wiring applications.

Does the color affect performance, or is it purely cosmetic?

Color is primarily for identification and organization — for example, using red for positive leads and black for negative, or color-coding circuits by function or zone. All color variants share the same adhesive dual-wall construction, 3:1 shrink ratio, and electrical performance. The Transparent option is useful when you need to visually inspect the connection after installation.

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

You may also like

Recently viewed