2:1 Heat Shrink Tubing φ0.6–10mm | Electrical Wire Wrap & Cable Sleeving
2:1 Heat Shrink Tubing φ0.6–10mm | Electrical Wire Wrap & Cable Sleeving
2:1 Heat Shrink Tubing φ0.6–10mm | Electrical Wire Wrap & Cable Sleeving
2:1 Heat Shrink Tubing φ0.6–10mm | Electrical Wire Wrap & Cable Sleeving
2:1 Heat Shrink Tubing φ0.6–10mm | Electrical Wire Wrap & Cable Sleeving
2:1 Heat Shrink Tubing φ0.6–10mm | Electrical Wire Wrap & Cable Sleeving
2:1 Heat Shrink Tubing φ0.6–10mm | Electrical Wire Wrap & Cable Sleeving
2:1 Heat Shrink Tubing φ0.6–10mm | Electrical Wire Wrap & Cable Sleeving
2:1 Heat Shrink Tubing φ0.6–10mm | Electrical Wire Wrap & Cable Sleeving
2:1 Heat Shrink Tubing φ0.6–10mm | Electrical Wire Wrap & Cable Sleeving
2:1 Heat Shrink Tubing φ0.6–10mm | Electrical Wire Wrap & Cable Sleeving
2:1 Heat Shrink Tubing φ0.6–10mm | Electrical Wire Wrap & Cable Sleeving
2:1 Heat Shrink Tubing φ0.6–10mm | Electrical Wire Wrap & Cable Sleeving
2:1 Heat Shrink Tubing φ0.6–10mm | Electrical Wire Wrap & Cable Sleeving
2:1 Heat Shrink Tubing φ0.6–10mm | Electrical Wire Wrap & Cable Sleeving
2:1 Heat Shrink Tubing φ0.6–10mm | Electrical Wire Wrap & Cable Sleeving
2:1 Heat Shrink Tubing φ0.6–10mm | Electrical Wire Wrap & Cable Sleeving
2:1 Heat Shrink Tubing φ0.6–10mm | Electrical Wire Wrap & Cable Sleeving
2:1 Heat Shrink Tubing φ0.6–10mm | Electrical Wire Wrap & Cable Sleeving
2:1 Heat Shrink Tubing φ0.6–10mm | Electrical Wire Wrap & Cable Sleeving
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2:1 Heat Shrink Tubing φ0.6–10mm | Electrical Wire Wrap & Cable Sleeving

HomeDIYer
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By HomeDIYer®

Price:
$1.41 USD
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In stock (500 units), ready to be shipped

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Description

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

Whether you’re repairing an automotive wiring harness, tidying up a home electrical project, or protecting delicate electronics, loose or exposed wire connections are a constant frustration. Tape unravels, zip ties slip, and bare splices invite shorts. This 2:1 heat shrink tubing gives hobbyists, auto technicians, and DIY electricians a fast, professional-grade solution that stays put.

Each piece is made from flame-retardant polyolefin and shrinks to half its original diameter when heat is applied — no adhesives, no mess. Available in 18 diameter sizes from φ0.6mm (0.024″) to φ10mm (0.39″), in 7 colors (Black, White, Red, Green, Yellow, Blue, Transparent), and in 1M or 5M lengths per piece. The wide size range means one product line covers everything from ultra-fine 30 AWG signal wires to heavy 10 AWG power cables.

Typical use cases include automotive wire splice insulation, electrical terminal heat shrink wrapping, marine cable protection, RC vehicle wiring, and electronics prototyping. The color options make it easy to implement color-coded wiring systems for faster troubleshooting.

🔌 Wide Compatibility: Fits standard wire gauges from 30 AWG to 10 AWG. Select your diameter based on your wire’s outer diameter — choose a size at least 10–20% larger than the wire for easy insertion before shrinking.

✅ Key Features of These 2:1 Heat Shrink Tubes

  • 🔥True 2:1 Shrink Ratio — Shrinks uniformly to exactly half its expanded diameter, creating a tight, gap-free sleeve around wires, terminals, and connectors.
  • 📍18 Diameter Sizes in One Listing — From φ0.6mm to φ10mm, covering fine signal wires through heavy power cables — no need to order from multiple suppliers.
  • 🎨7 Colors for Easy Wire Identification — Color-code your wiring harness by circuit type or voltage level; transparent option lets you inspect the wire underneath.
  • 🛡️Flame-Retardant Polyolefin Material — Self-extinguishes when heat source is removed; resists moisture, abrasion, and mild chemicals for long-term cable protection.
  • ⚡Flexible After Shrinking — Remains pliable once cooled, making it suitable for moving parts, tight bends, and vibration-prone automotive environments.
  • ✂️Cut-to-Length Convenience — Available in 1M and 5M lengths; cut exactly what you need with scissors — no waste, no minimum cut length.

📐 Technical Specifications — 2:1 Polyolefin Heat Shrink Tubing

Material Flame-retardant polyolefin
Shrink Ratio 2:1
Diameter Range (Expanded) φ0.6mm – φ10mm (0.024″ – 0.39″)
Diameter Range (After Shrink) φ0.3mm – φ5mm (approx.)
Available Lengths 1M (39.4″) / 5M (196.9″) per piece
Colors Black, White, Red, Green, Yellow, Blue, Transparent
Activation Temperature Typically ~70°C (158°F)
Full Shrink Temperature Typically ~110°C (230°F)
Operating Temperature Range Generally −55°C to +125°C (−67°F to +257°F)
Waterproof Moisture-resistant (not fully waterproof; no adhesive lining)
Applicable Wire Gauges See variant options (approx. 30 AWG – 10 AWG)
Recommended Tool Heat gun; lighter suitable for small sections
⚠️ Sizing Tip: Always measure your wire’s outer diameter before ordering. Select a tubing size whose expanded diameter is 10–20% larger than your wire for easy insertion. The tubing will shrink to approximately half that size.

❓ Frequently Asked Questions

How do I choose the right diameter heat shrink tubing for my wire?

Measure your wire or connector’s outer diameter before shrinking. Choose a tubing size whose expanded diameter is at least 10–20% larger than your wire. With a 2:1 ratio, the tubing will shrink to approximately half its original diameter — so a φ4mm tube shrinks to roughly φ2mm. When in doubt, size up by one step.

Quick reference: φ0.6–1mm → 30–22 AWG | φ1.5–2mm → 20–18 AWG | φ2.5–3mm → 16–14 AWG | φ4–5mm → 12–10 AWG | φ6–10mm → heavy cables & connectors.

What temperature do I need to shrink this tubing?

This tubing typically begins to activate at around 70°C (158°F) and fully shrinks at approximately 110°C (230°F). A standard heat gun set to low or medium is ideal. For small sections, a lighter held at a safe distance works, but a heat gun gives more even, controlled results and reduces the risk of scorching.

Is this heat shrink tubing flame-retardant and safe for automotive use?

Yes. The polyolefin material is generally flame-retardant and self-extinguishes when the heat source is removed. It is widely used for automotive wiring harness repairs, terminal insulation, and under-hood cable protection. It typically withstands continuous operating temperatures up to 125°C (257°F).

Can I use this tubing outdoors or in wet environments?

This standard polyolefin tubing provides good moisture resistance and is suitable for most outdoor and damp environments — including marine cable protection and outdoor electrical connections. However, it does not have an adhesive inner lining, so it is not fully waterproof. For fully sealed, waterproof connections, dual-wall adhesive-lined heat shrink tubing is recommended.

Does the color affect performance or heat resistance?

No. All seven color variants (Black, White, Red, Green, Yellow, Blue, Transparent) share the same polyolefin material, 2:1 shrink ratio, and temperature ratings. Color is purely for identification — useful for color-coding wiring harnesses by circuit type, voltage level, or polarity for faster troubleshooting.

Can I use this for both thin signal wires and thicker power cables?

Yes. The φ0.6mm size covers very fine signal wires (down to approximately 30 AWG), while the φ10mm size accommodates heavier power cables and large connectors. This makes the product suitable for electronics prototyping, RC vehicle wiring, home electrical DIY, and automotive applications within a single product line.

How do I cut the tubing to the right length?

Standard scissors or wire cutters work well. Cut the tubing slightly longer than the area you need to cover — typically 5–10mm (0.2–0.4″) of overlap on each side of a splice or terminal is sufficient. The tubing does not fray when cut, so no special tools are required.

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

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