Heat Shrink Tubing 2:1 Ratio – φ0.6mm to φ6mm Electrical Wire Sleeve
Heat Shrink Tubing 2:1 Ratio – φ0.6mm to φ6mm Electrical Wire Sleeve
Heat Shrink Tubing 2:1 Ratio – φ0.6mm to φ6mm Electrical Wire Sleeve
Heat Shrink Tubing 2:1 Ratio – φ0.6mm to φ6mm Electrical Wire Sleeve
Heat Shrink Tubing 2:1 Ratio – φ0.6mm to φ6mm Electrical Wire Sleeve
Heat Shrink Tubing 2:1 Ratio – φ0.6mm to φ6mm Electrical Wire Sleeve
Heat Shrink Tubing 2:1 Ratio – φ0.6mm to φ6mm Electrical Wire Sleeve
Heat Shrink Tubing 2:1 Ratio – φ0.6mm to φ6mm Electrical Wire Sleeve
Heat Shrink Tubing 2:1 Ratio – φ0.6mm to φ6mm Electrical Wire Sleeve
Heat Shrink Tubing 2:1 Ratio – φ0.6mm to φ6mm Electrical Wire Sleeve
Heat Shrink Tubing 2:1 Ratio – φ0.6mm to φ6mm Electrical Wire Sleeve
Heat Shrink Tubing 2:1 Ratio – φ0.6mm to φ6mm Electrical Wire Sleeve
Heat Shrink Tubing 2:1 Ratio – φ0.6mm to φ6mm Electrical Wire Sleeve
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Heat Shrink Tubing 2:1 Ratio – φ0.6mm to φ6mm Electrical Wire SleeveHeat Shrink Tubing 2:1 Ratio – φ0.6mm to φ6mm Electrical Wire SleeveHeat Shrink Tubing 2:1 Ratio – φ0.6mm to φ6mm Electrical Wire SleeveHeat Shrink Tubing 2:1 Ratio – φ0.6mm to φ6mm Electrical Wire SleeveHeat Shrink Tubing 2:1 Ratio – φ0.6mm to φ6mm Electrical Wire SleeveHeat Shrink Tubing 2:1 Ratio – φ0.6mm to φ6mm Electrical Wire SleeveHeat Shrink Tubing 2:1 Ratio – φ0.6mm to φ6mm Electrical Wire SleeveHeat Shrink Tubing 2:1 Ratio – φ0.6mm to φ6mm Electrical Wire SleeveHeat Shrink Tubing 2:1 Ratio – φ0.6mm to φ6mm Electrical Wire SleeveHeat Shrink Tubing 2:1 Ratio – φ0.6mm to φ6mm Electrical Wire SleeveHeat Shrink Tubing 2:1 Ratio – φ0.6mm to φ6mm Electrical Wire SleeveHeat Shrink Tubing 2:1 Ratio – φ0.6mm to φ6mm Electrical Wire SleeveHeat Shrink Tubing 2:1 Ratio – φ0.6mm to φ6mm Electrical Wire Sleeve

Heat Shrink Tubing 2:1 Ratio – φ0.6mm to φ6mm Electrical Wire Sleeve

HomeDIYer
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By HomeDIYer®

Price:
$6.01 USD
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In stock (500 units), ready to be shipped

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Description

Heat Shrink Tubing 2:1 — Reliable Insulation for Every Wire Gauge

Whether you're repairing a frayed automotive harness, organizing a home theater cable run, or protecting soldered joints on a DIY electronics project, exposed wire ends are a safety hazard and a reliability risk. This heat shrink tubing gives hobbyists, electricians, and makers a clean, professional-grade solution that takes seconds to apply.

Each listing covers a single diameter and color combination, available in 1 Meter (≈39.4") or 10 Meter (≈393.7") lengths. Diameters range from φ0.6mm (≈0.024") up to φ6mm (≈0.236"), with a 2:1 shrink ratio — meaning the tubing contracts to approximately half its expanded inner diameter when heat is applied. Colors include Black, White, Red, Green, Yellow, Blue, and Transparent, making color-coded wiring organization straightforward.

Typical use cases include insulating wire splices and solder joints in automotive wiring repair, bundling and labeling low-voltage signal cables in home automation or audio setups, and protecting exposed terminals on RC hobby electronics or small appliance repairs — all scenarios where a clean heat shrink wire sleeve makes the difference between a lasting fix and a recurring problem.

ℹ️ Compatibility Note: This tubing fits wire gauges and connectors whose outer diameter falls within the expanded inner diameter of the selected size. Always measure your wire OD before ordering. The 2:1 ratio means φ4mm tubing shrinks to approximately φ2mm after heating.

✅ Key Features of These Heat Shrink Tubing Sleeves

  • 🔥2:1 Shrink Ratio — Contracts to roughly half its expanded diameter, creating a snug, uniform fit around wires, connectors, and terminals without gaps or bunching.
  • 📏13 Diameter Options — Covers φ0.6mm through φ6mm in 0.5mm increments, so you can match the tubing precisely to thin signal wires or heavier gauge power cables.
  • 🎨7 Color Choices — Black, White, Red, Green, Yellow, Blue, and Transparent allow color-coded wire identification across multi-conductor harnesses and panel wiring.
  • ⚡Electrical Insulation — Polyolefin construction provides dielectric insulation over solder joints and bare conductors, reducing the risk of short circuits in low-voltage wiring applications.
  • ✂️Cut-to-Length Flexibility — Supplied in 1m or 10m continuous lengths so you can cut exactly what each job requires, minimizing waste on small repairs or stocking up for workshop use.
  • 🔧Broad Application Range — Suited for automotive wiring repair, hobby electronics, home appliance maintenance, and cable management — anywhere a durable electrical sleeve is needed.

📐 Technical Specifications — Heat Shrink Tubing

Product Type Heat Shrink Tubing / Electrical Wire Sleeve
Shrink Ratio 2:1
Available Diameters φ0.6mm, φ0.8mm, φ1mm, φ1.5mm, φ2mm, φ2.5mm, φ3mm, φ3.5mm, φ4mm, φ4.5mm, φ5mm, φ5.5mm, φ6mm
Available Colors Black, White, Red, Green, Yellow, Blue, Transparent
Available Lengths 1 Meter (≈39.4") / 10 Meter (≈393.7")
Material Polyolefin (typically)
Activation Temperature Typically 90–120°C (194–248°F)
Voltage Rating See variant options — contact us to confirm
Operating Temperature Range Contact us to confirm
Flame Retardancy Contact us to confirm
Packaging Sold per meter or per 10-meter length
⚠️ Spec Note: Exact voltage rating, operating temperature range, and flame retardancy class vary by diameter and color. Contact us before use in safety-critical or high-voltage applications.

❓ Frequently Asked Questions

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

Measure the outer diameter (OD) of the wire, connector, or object you want to cover. Select a tubing size whose expanded inner diameter is at least 10–20% larger than that measurement to allow easy insertion. After applying heat, the 2:1 ratio means the tubing will shrink to approximately half its original diameter. For example, φ4mm tubing (≈0.157") shrinks to roughly φ2mm (≈0.079"). When in doubt, size up — you can always apply more heat, but you cannot expand tubing that is already too small.

What shrink ratio does this tubing use?

This tubing uses a 2:1 shrink ratio. When heat is applied, it contracts to approximately half its original expanded inner diameter, conforming tightly around the underlying wire or connector.

What temperature is needed to shrink this tubing?

Generally, a heat gun set to around 90–120°C (194–248°F) is sufficient. Move the heat gun slowly and evenly along the tubing to avoid scorching. A lighter can work for quick field repairs, but a heat gun provides the most consistent, wrinkle-free result. Avoid direct contact with a soldering iron tip, as this can melt or burn the tubing unevenly.

Can this heat shrink tubing be used outdoors or in wet environments?

This tubing is generally suitable for light outdoor use and provides a degree of moisture resistance once shrunk. However, for applications requiring a fully waterproof seal — such as underground splices or marine wiring — a dual-wall adhesive-lined heat shrink tubing is typically recommended, as the inner adhesive layer creates a more complete environmental barrier.

What voltage rating does this tubing support?

Polyolefin heat shrink tubing in this category typically supports up to 600V in standard low-voltage wiring applications. The exact rating can vary by diameter and production batch. Please contact us to confirm the specific voltage rating before use in safety-critical or higher-voltage circuits.

Is this tubing compatible with automotive wiring and connectors?

Yes. Polyolefin heat shrink tubing is widely used in automotive wiring repairs, connector insulation, and harness bundling. It is generally resistant to oils, fuels, and mild chemicals encountered in typical under-hood environments. For high-heat zones near exhaust components, verify the operating temperature range with us before installation.

How do I decide between the 1 Meter and 10 Meter length options?

The 1 Meter (≈39.4") option is ideal for single repairs, prototyping, or trying a new diameter before committing to a larger quantity. The 10 Meter (≈393.7") roll offers a lower per-meter cost and is well-suited for workshop stock, larger wiring projects, or when you need a consistent supply of one color and diameter on hand.

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

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