Heat Shrink Tubing 2:1 Gloss Black — Flexible Soft Wire Insulation Sleeve
Heat Shrink Tubing 2:1 Gloss Black — Flexible Soft Wire Insulation Sleeve
Heat Shrink Tubing 2:1 Gloss Black — Flexible Soft Wire Insulation Sleeve
Heat Shrink Tubing 2:1 Gloss Black — Flexible Soft Wire Insulation Sleeve
Heat Shrink Tubing 2:1 Gloss Black — Flexible Soft Wire Insulation Sleeve
Roll over image to zoom in Click on image to zoom
Heat Shrink Tubing 2:1 Gloss Black — Flexible Soft Wire Insulation SleeveHeat Shrink Tubing 2:1 Gloss Black — Flexible Soft Wire Insulation SleeveHeat Shrink Tubing 2:1 Gloss Black — Flexible Soft Wire Insulation SleeveHeat Shrink Tubing 2:1 Gloss Black — Flexible Soft Wire Insulation SleeveHeat Shrink Tubing 2:1 Gloss Black — Flexible Soft Wire Insulation Sleeve

Heat Shrink Tubing 2:1 Gloss Black — Flexible Soft Wire Insulation Sleeve

HomeDIYer
No reviews

By HomeDIYer®

Price:
$1.89 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

Gloss Black 2:1 Heat Shrink Tubing — Clean Insulation for Every Wire Job

Loose wire ends, exposed solder joints, and fraying cable insulation are a constant headache for electricians, automotive technicians, hobbyists, and DIYers. One slip of bare copper against a chassis or neighboring wire can mean a short circuit, a blown fuse, or worse. This gloss black 2:1 heat shrink tubing gives you a fast, reliable way to seal, protect, and organize wiring — whether you're finishing a single repair or running a full harness.

Each order is cut to your chosen length (available in 1, 2, 5, 10, 20, 25, 50, or 100 meters depending on diameter) and ships as a continuous piece of tubing. Diameters range from φ1mm (≈3/64") up to φ20mm (≈25/32") in the unshrunk state. With a 2:1 shrink ratio, each size shrinks to approximately half its listed diameter when heat is applied. The material is a flexible, soft polyolefin construction that conforms tightly to irregular shapes without cracking or splitting.

Typical applications include automotive wiring harness repair and connector insulation, electronics prototyping and PCB lead protection, marine and RV cable management, and general-purpose wire bundling in home electrical projects. The gloss black finish delivers a clean, professional look on visible runs — a detail that matters when the wiring is part of the final presentation.

ℹ️ Compatibility Note: Diameter listed is the unshrunk (expanded) size. Select a diameter approximately 20–30% larger than your wire or connector's outer diameter for a secure fit after shrinking. See FAQ below for sizing guidance.

✅ Key Features of These Gloss Black Heat Shrink Tubes

  • 🔥2:1 Shrink Ratio — Shrinks to half its listed diameter, providing a tight, gap-free seal around wires, connectors, and solder joints without requiring adhesive.
  • 🧵Flexible Polyolefin Construction — Soft, pliable material bends with your wiring without cracking, making it well-suited for tight routing paths and vibration-prone environments like automotive applications.
  • 📏Wide Diameter Range — Available from φ1mm to φ20mm unshrunk, covering everything from fine gauge wire insulation to larger cable bundle management in a single product line.
  • 🎨Gloss Black Finish — Delivers a uniform, professional appearance on visible wiring runs — commonly used in audio installations, custom PC builds, and automotive interior work where aesthetics matter.
  • 📦Sold by the Meter — Order exactly what you need, from 1 meter for a quick repair up to 100 meters for production or bulk wiring jobs, reducing waste and keeping costs in check.
  • ⚡Electrical Insulation — Provides a protective insulating layer over bare conductors, solder joints, and wire splices, helping prevent short circuits in low-voltage DC and general-purpose AC wiring applications.

📐 Technical Specifications — Heat Shrink Tubing

Product Type Heat Shrink Tubing
Shrink Ratio 2:1
Color / Finish Gloss Black
Material Polyolefin (flexible, soft grade)
Diameter Range (Unshrunk) φ1mm (≈3/64") — φ20mm (≈25/32")
Available Diameters φ1, 1.5, 2, 2.5, 3, 3.5, 4, 5, 6, 8, 10, 12, 14, 16, 20mm
Available Lengths 1m, 2m, 5m, 10m, 20m, 25m, 50m, 100m (varies by diameter — see variant options)
Shrink Temperature Typically 70–120°C (158–248°F)
Recommended Tool Heat gun (open flame not recommended)
Wall Thickness (post-shrink) See variant options
Voltage Rating Contact us to confirm
Operating Temperature Range Contact us to confirm
Adhesive Lined No (standard, non-adhesive)
Sold As Continuous length per order
⚠️ Sizing Tip: Always measure the outer diameter of your wire, connector, or component before ordering. The diameter shown is the unshrunk size. If you are unsure, order one size up — the tubing can accommodate a range of sizes within each diameter step.

❓ Frequently Asked Questions

How do I choose the right diameter for my wire?

Measure your wire or connector's outer diameter before shrinking. The tubing diameter listed is the unshrunk (expanded) size. With a 2:1 shrink ratio, the tubing will shrink to approximately half its original diameter. For example, φ4mm tubing will shrink to roughly 2mm (≈5/64"). Generally, choose a size that is 20–30% larger than the object you are covering to ensure a snug, secure fit after shrinking.

What temperature is needed to shrink this tubing?

This tubing is typically activated at around 70–120°C (158–248°F). A heat gun is the recommended tool — in most cases, a standard 300W–500W heat gun on a low setting works well. Move the heat gun slowly and evenly along the tubing to avoid hot spots. Avoid open flames, as uneven heat can cause bubbling or uneven shrinkage.

Can this heat shrink tubing be used outdoors?

This tubing provides general-purpose insulation and is suitable for indoor and sheltered outdoor use. For prolonged UV exposure, moisture immersion, or harsh outdoor environments, an adhesive-lined or UV-resistant variant is generally recommended. Contact us to confirm suitability for your specific application before ordering for outdoor installations.

Is this tubing compatible with automotive wiring?

Yes, this flexible 2:1 heat shrink tubing is commonly used in automotive wiring harness repair, connector insulation, and cable bundling. It is generally compatible with standard automotive wire gauges. For high-vibration or engine-bay applications, verify the operating temperature range matches your requirements — contact us if you need confirmation for a specific use case.

How much length do I need to buy?

This product is sold by the meter, available in lengths from 1 meter up to 100 meters depending on the diameter selected. For small repairs or prototyping, 1–2 meters is typically sufficient. For production runs, vehicle builds, or larger wiring projects, the 10–100 meter options offer better value per meter. Length availability varies by diameter — check the variant selector for options.

What is the shrink ratio and what does 2:1 mean?

A 2:1 shrink ratio means the tubing shrinks to half its original (unshrunk) diameter when heat is applied. For example, φ6mm (≈15/64") tubing will shrink down to approximately 3mm (≈1/8"). This ratio is the most common for general-purpose wire insulation, cable management, and connector sealing tasks. It does not include an adhesive inner lining — for waterproof sealing, consider an adhesive-lined option.

Does the gloss black finish affect performance?

The gloss black finish is primarily aesthetic and provides a clean, professional appearance for visible wiring. It does not affect the electrical insulation properties or shrink performance. The finish is generally resistant to minor abrasion once fully shrunk, making it a practical choice for audio builds, custom PC cable management, and automotive interior wiring where appearance matters.

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

You may also like

Recently viewed