Heat Shrink Tubing 3:1 Adhesive Glue Lined — Φ1.6mm to Φ65mm, Multiple Colors & Lengths

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Heat Shrink Tubing 3:1 Adhesive Glue Lined — Φ1.6mm to Φ65mm, Multiple Colors & Lengths

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Diameter Ø: Φ1.6mm

Colour: Black

Length: 1 Meter

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Adhesive-Lined Heat Shrink Tubing 3:1 — Waterproof Protection for Wires, Cables & Connectors

Exposed wire splices, corroded terminals, and unprotected cable ends are among the most common causes of electrical failures in automotive, marine, and outdoor installations. Whether you're a professional electrician, an automotive technician, or a hands-on DIYer, you need a reliable way to seal and protect connections against moisture, abrasion, and mechanical stress — without adding bulk or complexity to your build.

This adhesive-lined heat shrink tubing features a dual-wall construction: a flexible polyolefin outer layer combined with a hot-melt adhesive inner lining. When heat is applied, the outer wall shrinks to approximately one-third of its original diameter (3:1 ratio), while the inner adhesive melts and flows around the substrate to form a watertight, strain-relieving seal. Each listing covers a single length of tubing in your chosen diameter and color — available in diameters from Φ1.6mm (≈1/16") to Φ65mm (≈2-9/16"), in lengths of 1 Meter (≈39"), 2 Meter (≈79"), or 5 Meter (≈197"), and in 8 colors: Black, Red, White, Clear, Yellow, Blue, Green, and Orange.

Typical use cases include waterproofing automotive wire harness splices and butt connectors, sealing marine electrical connections against saltwater intrusion, protecting underground cable joints and outdoor junction points, adding strain relief to battery terminals and ring connectors, and color-coding wire bundles in control panels and equipment builds.

ℹ️ Compatibility Note: This tubing is designed to fit over cables, connectors, and terminals whose outer diameter falls within the listed supplied (pre-shrink) diameter range. Always measure your cable or connector OD before selecting a size. With a 3:1 shrink ratio, the recovered inner diameter will be approximately one-third of the supplied diameter.

✅ Key Features of These Adhesive-Lined Heat Shrink Tubes

💧Waterproof Adhesive Inner Layer — The hot-melt glue lining flows into gaps and voids when heated, creating a moisture-resistant seal that protects wire splices and cable joints from water, humidity, and corrosion.
📐3:1 Shrink Ratio — A generous 3:1 recovery ratio means this tubing accommodates a wide range of substrate sizes, making it suitable for stepped connectors, bulky terminals, and irregular cable profiles that standard 2:1 tubing cannot cover.
🎨8 Color Options for Wire Identification — Available in Black, Red, White, Clear, Yellow, Blue, Green, and Orange to support color-coded wiring systems, safety markings, and organized cable management in automotive and industrial builds.
📏Wide Diameter Range — Φ1.6mm to Φ65mm — From fine instrument wiring at Φ1.6mm (≈1/16") to large cable bundles at Φ65mm (≈2-9/16"), a single product line covers the full spectrum of common electrical and mechanical applications.
🔧Strain Relief at Terminations — The bonded adhesive layer adds mechanical reinforcement at connector entry points, reducing flex fatigue and pull-out failure on crimped terminals, ring lugs, and butt splices in high-vibration environments.
✂️Cut-to-Length Flexibility — Available in 1m, 2m, and 5m lengths so you can cut exactly what you need for each job, minimizing waste on small repairs or stocking up for larger wiring projects.

📐 Technical Specifications — Adhesive-Lined Heat Shrink Tubing

Product Type	Dual-Wall Adhesive-Lined Heat Shrink Tubing
Shrink Ratio	3:1
Outer Wall Material	Polyolefin (cross-linked)
Inner Layer	Hot-melt adhesive (glue-lined)
Supplied Diameter Range	Φ1.6mm (≈1/16") — Φ65mm (≈2-9/16")
Available Lengths	1 Meter (≈39"), 2 Meter (≈79"), 5 Meter (≈197")
Available Colors	Black, Red, White, Clear, Yellow, Blue, Green, Orange
Shrink Temperature	Typically begins at ~70–90°C (158–194°F); full recovery at ~120°C (248°F)
Operating Temperature Range	See variant options / Contact us to confirm
Voltage Rating	Typically up to 600V (low-voltage applications) — Contact us to confirm for specific use
Flame Retardancy	See variant options
Application Method	Heat gun recommended; avoid open flame

⚠️ Sizing Tip: Always measure the outer diameter of your cable or connector before ordering. Choose a supplied diameter that is at least 20–30% larger than your substrate OD to ensure the tubing slides on easily before shrinking.

❓ Frequently Asked Questions

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

Select a supplied (before-shrink) diameter that is at least 20–30% larger than the cable or connector you need to cover. With a 3:1 shrink ratio, the tubing will shrink down to approximately one-third of its original diameter. For example, Φ9.5mm (3/8") tubing will recover to roughly Φ3.2mm (1/8"). When in doubt, size up — you can always apply more heat to achieve a tighter fit.

What temperature is needed to shrink this tubing?

This adhesive-lined heat shrink tubing typically begins to shrink at around 70–90°C (158–194°F) and fully recovers at approximately 120°C (248°F). A heat gun is recommended for even, controlled shrinkage. Avoid open flames, which can scorch the tubing or cause uneven shrinkage.

How strong is the adhesive bond — can it hold under mechanical stress?

The inner adhesive layer generally provides a firm mechanical bond and strain relief once fully activated. It is designed to resist pull-out forces on wire terminations and connector joints. For high-vibration or heavy-load applications, confirm the specific peel strength with our team.

Is this heat shrink tubing suitable for outdoor or marine use?

Yes. The dual-wall construction with a hot-melt adhesive inner layer creates a waterproof, moisture-resistant seal around the substrate. It is generally suitable for outdoor wiring, marine electrical connections, and underground cable splices where moisture ingress is a concern.

What connector or cable standards is this compatible with?

This tubing is not thread-specific — it is designed to fit over cables, wires, connectors, and terminals of the corresponding outer diameter. It is compatible with standard wire gauges (AWG/metric), crimp connectors, butt splices, ring terminals, and similar components. Select the diameter that matches your cable or connector OD.

Can I use this tubing for color-coding wires?

Absolutely. This product is available in 8 colors — Black, Red, White, Clear, Yellow, Blue, Green, and Orange — making it ideal for color-coding wire harnesses, cable bundles, and electrical panels for quick identification and organization.

What is the voltage rating of this heat shrink tubing?

The voltage rating varies by wall thickness and diameter. Polyolefin dual-wall tubing of this type is generally rated for low-voltage applications (typically up to 600V). For high-voltage or industrial applications, please contact us to confirm suitability.

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

Heat Shrink Tubing 3:1 Adhesive Glue Lined — Φ1.6mm to Φ65mm, Multiple Colors & Lengths

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Beschreibung

Adhesive-Lined Heat Shrink Tubing 3:1 — Waterproof Protection for Wires, Cables & Connectors

✅ Key Features of These Adhesive-Lined Heat Shrink Tubes

📐 Technical Specifications — Adhesive-Lined Heat Shrink Tubing

❓ Frequently Asked Questions

Heat Shrink Tubing 3:1 Adhesive Glue Lined — Φ1.6mm to Φ65mm, Multiple Colors & Lengths

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