Orange Heat Shrink Tubing 2:1 Ratio – Electrical Wire Insulation Sleeving φ1mm–φ50mm
Orange Heat Shrink Tubing 2:1 Ratio – Electrical Wire Insulation Sleeving φ1mm–φ50mm
Orange Heat Shrink Tubing 2:1 Ratio – Electrical Wire Insulation Sleeving φ1mm–φ50mm
Orange Heat Shrink Tubing 2:1 Ratio – Electrical Wire Insulation Sleeving φ1mm–φ50mm
Orange Heat Shrink Tubing 2:1 Ratio – Electrical Wire Insulation Sleeving φ1mm–φ50mm
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Orange Heat Shrink Tubing 2:1 Ratio – Electrical Wire Insulation Sleeving φ1mm–φ50mmOrange Heat Shrink Tubing 2:1 Ratio – Electrical Wire Insulation Sleeving φ1mm–φ50mmOrange Heat Shrink Tubing 2:1 Ratio – Electrical Wire Insulation Sleeving φ1mm–φ50mmOrange Heat Shrink Tubing 2:1 Ratio – Electrical Wire Insulation Sleeving φ1mm–φ50mmOrange Heat Shrink Tubing 2:1 Ratio – Electrical Wire Insulation Sleeving φ1mm–φ50mm

Orange Heat Shrink Tubing 2:1 Ratio – Electrical Wire Insulation Sleeving φ1mm–φ50mm

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By HomeDIYer®

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$1.35 USD
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In stock (500 units), ready to be shipped

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Description

 

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

Whether you're repairing automotive wiring, organizing a home electrical panel, or protecting exposed conductors on a DIY electronics project, loose or uninsulated wire ends are a safety hazard you can't ignore. Electricians, hobbyists, and workshop professionals all need a fast, clean solution that stays put — and that's exactly what this orange heat shrink tubing delivers.

Each order includes a single continuous length of 2:1 ratio polyolefin heat shrink tubing in your chosen diameter and length. Diameters range from φ1mm (≈0.039") to φ50mm (≈1.969"), and lengths are available in 1M, 2M, 5M, 10M, 20M, and 50M cuts — giving you the flexibility to tackle everything from fine gauge wire to large cable bundles. The 2:1 shrink ratio means the tubing shrinks to approximately half its original diameter when heat is applied.

This orange heat shrink tubing is ideal for color-coded wire identification in automotive wiring harnesses, electrical panel labeling, marine cable protection, and DIY electronics repair. The bright orange color makes it easy to spot specific circuits at a glance — a practical choice for any wiring job that demands both safety and organization.

🔌 Compatibility: Suitable for copper, aluminum, and stranded wire. Compatible with standard heat guns. Fits wire gauges from AWG 30 down to large cable assemblies — select your diameter based on the wire's outer diameter before shrinking.

✅ Key Features of These Orange Heat Shrink Tubes

  • 🔥2:1 Shrink Ratio — Shrinks to approximately half its pre-shrink diameter, creating a snug, uniform fit around wires, connectors, and terminals without gaps or loose ends.
  • 🟠High-Visibility Orange Color — The bright orange finish makes circuit identification fast and reliable in automotive wiring, electrical panels, and multi-wire harnesses.
  • 🛡️Flame-Retardant Polyolefin Material — Typically self-extinguishing when the heat source is removed, providing an added layer of safety in electrical insulation applications.
  • 📏Wide Size Range (φ1mm–φ50mm) — Covers everything from delicate electronics wire to large cable bundles, so you can order the exact diameter you need rather than cutting down oversized tubing.
  • ✂️Cut-to-Length Flexibility — Available in 1M through 50M lengths, letting you stock up for large jobs or grab just enough for a quick repair without waste.
  • ⚡Electrical Insulation Performance — Designed to provide dielectric protection for wire splices, solder joints, and exposed conductors in low- to medium-voltage electrical wiring applications.

📐 Technical Specifications — Heat Shrink Tubing

Product Type Heat Shrink Tubing
Color Orange
Material Polyolefin (flame-retardant)
Shrink Ratio 2:1
Available Diameters (Pre-Shrink) φ1mm, φ1.5mm, φ2mm, φ2.5mm, φ3mm, φ3.5mm, φ4mm, φ5mm, φ6mm, φ7mm, φ8mm, φ9mm, φ10mm, φ12mm, φ14mm, φ16mm, φ20mm, φ30mm, φ40mm, φ50mm
Available Lengths 1M (≈3.3 ft), 2M (≈6.6 ft), 5M (≈16.4 ft), 10M (≈32.8 ft), 20M (≈65.6 ft), 50M (≈164 ft)
Activation Temperature Typically ~90°C (194°F)
Full Shrink Temperature Typically ~120°C (248°F)
Voltage Rating See variant options — generally up to 600V for standard polyolefin
Wall Thickness (Post-Shrink) See variant options
Application Method Heat gun (recommended); avoid open flame
Recommended Use Automotive wiring, electrical insulation, wire bundling, DIY electronics repair
⚠️ Size Selection Tip: Always measure the outer diameter of your wire or connector before ordering. The listed diameter is the pre-shrink (expanded) size. After heating, the tubing will shrink to approximately half that diameter.

❓ Frequently Asked Questions

How do I choose the right diameter for my wire?

Measure the outer diameter of your wire or connector before shrinking. With a 2:1 shrink ratio, the tubing should slide over the wire easily before heat is applied. As a general rule, choose a pre-shrink diameter that is 20–30% larger than the wire's outer diameter. For example, a φ4mm (≈5/32") tube will shrink down to approximately φ2mm (≈5/64") after heating.

What temperature is needed to shrink this tubing?

Polyolefin heat shrink tubing typically activates at around 90°C (194°F) and fully shrinks at approximately 120°C (248°F). A heat gun is the recommended tool. Avoid open flames, as they can scorch or unevenly shrink the tubing.

Is this tubing rated for outdoor or wet environments?

Standard 2:1 polyolefin heat shrink tubing generally provides basic moisture resistance once shrunk, making it suitable for light indoor and protected outdoor use. For fully waterproof applications, we recommend using adhesive-lined (3:1 or 4:1) heat shrink tubing instead.

What voltage rating does this heat shrink tubing support?

Polyolefin heat shrink tubing in this category is generally rated for up to 600V. Please confirm the specific voltage rating for your application before use in high-voltage systems.

Is this tubing flame-retardant?

Yes, polyolefin heat shrink tubing is typically manufactured with flame-retardant additives, meeting common safety standards. It will self-extinguish when the heat source is removed in most cases.

Can I use this tubing for automotive wiring?

Yes, this type of heat shrink tubing is widely used in automotive wiring repairs, harness protection, and connector insulation. It is generally compatible with 12V and 24V automotive electrical systems.

How do I convert the diameter sizes to inches?

To convert mm to inches, divide by 25.4. Common conversions: φ1mm ≈ 0.039" | φ3mm ≈ 0.118" | φ6mm ≈ 0.236" | φ10mm ≈ 0.394" | φ20mm ≈ 0.787" | φ50mm ≈ 1.969". Always measure your wire before selecting a size.

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

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