2:1 Heat Shrink Tubing Orange — φ1mm to φ50mm, 1m / 5m / 10m Lengths

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2:1 Heat Shrink Tubing Orange — φ1mm to φ50mm, 1m / 5m / 10m Lengths

Name: 2:1 Heat Shrink Tubing Orange — φ1mm to φ50mm, 1m / 5m / 10m Lengths
Brand: HomeDIYer
Price: 1.84 USD
Availability: InStock

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Color: Orange

Sizes: φ1mm

Length: 1m

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$1.84 USD

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Orange 2:1 Heat Shrink Tubing — Reliable Insulation from φ1mm to φ50mm

Whether you're chasing a wiring gremlin under the dash, splicing speaker cables in a home theater build, or protecting solder joints on a marine harness, loose or exposed wire ends are a constant frustration. This orange 2:1 heat shrink tubing gives electricians, hobbyists, and DIYers a fast, clean way to insulate, bundle, and color-code wires without tape that unravels or connectors that corrode.

Each order covers one continuous length of tubing — available in 1m (≈39.4"), 5m (≈196.9"), or 10m (≈393.7") — in your chosen diameter from φ1mm (≈0.039") up to φ50mm (≈1.97"). The tubing is made from flame-retardant polyolefin and shrinks to approximately half its expanded diameter when heat is applied, creating a snug, low-profile sleeve over wires, terminals, and connectors.

Typical use cases include automotive wire repair and color-coding, DIY electronics projects requiring neat cable management, and strain relief on solder joints in RC vehicles, 3D printers, and workshop tools — all scenarios where a clean, durable insulation sleeve makes the difference between a professional finish and a fire hazard.

ℹ️ Compatibility Note: This is a standard 2:1 single-wall polyolefin tube — no adhesive lining. Verify the expanded diameter is larger than your wire/connector OD before ordering. For watertight sealing, choose a dual-wall adhesive-lined variant.

✅ Key Features of These Orange 2:1 Heat Shrink Tubes

🔥2:1 Shrink Ratio — Recovers to approximately half its expanded diameter, forming a tight, uniform sleeve ideal for wire insulation and connector protection.
📏21 Diameter Options — From φ1mm to φ50mm, this range covers everything from fine 30 AWG signal wires to large multi-conductor cable bundles in a single product line.
🛡️Flame-Retardant Polyolefin — The material self-extinguishes and resists moisture, chemicals, and abrasion, making it suitable for automotive, marine, and industrial wiring environments.
🎨High-Visibility Orange Color — Useful for color-coding circuits, marking high-voltage or caution wires, and quickly identifying specific conductors in complex harnesses.
✂️Cut-to-Length Flexibility — Available in 1m, 5m, and 10m continuous rolls so you can cut exactly what you need for each job without waste, whether it's a single splice or a full harness build.
⚡Low Activation Temperature — Begins shrinking at approximately 70–90°C, so a standard heat gun on low setting is all you need — no open flame required for clean, even recovery.

📐 Technical Specifications — 2:1 Heat Shrink Tubing

Material	Flame-retardant polyolefin (single-wall, no adhesive lining)
Shrink Ratio	2:1
Color	Orange
Expanded Diameter Range	φ1mm (≈0.039") — φ50mm (≈1.969")
Available Diameters	φ1, 1.5, 2, 2.5, 3, 3.5, 4, 5, 6, 7, 8, 9, 10, 12, 14, 16, 20, 25, 30, 40, 50 mm
Available Lengths	1m (≈39.4") / 5m (≈196.9") / 10m (≈393.7")
Shrink Temperature	Typically begins at 70–90°C (158–194°F); full recovery at approx. 120°C (248°F)
Operating Temperature	See variant options — confirm with product datasheet for your application
Wall Thickness (recovered)	See variant options
Voltage Rating	Contact us to confirm for your specific diameter
Adhesive Lining	None (single-wall)
Recommended Tool	Heat gun (open flame not recommended)

⚠️ Size Tip: Choose an expanded diameter that is at least 10–20% larger than your wire or connector OD. The recovered diameter will be approximately half the expanded size listed.

❓ Frequently Asked Questions

How do I choose the right diameter for my wire or cable?

Measure the outer diameter of your wire or connector before shrinking. For a 2:1 ratio tube, choose a size whose recovered (shrunken) diameter is slightly smaller than your wire OD, and whose expanded diameter is at least 10–20% larger than the wire. For example, a φ4mm tube typically recovers to about φ2mm, so it suits wires in the φ2.5–3.5mm range. When in doubt, size up — you can always apply more heat to shrink tighter.

What shrink ratio does this tubing use?

This tubing uses a 2:1 shrink ratio, meaning it shrinks to approximately half its original expanded diameter when heat is applied. For example, a φ10mm tube generally recovers to around φ5mm.

What temperature is needed to shrink this tubing?

This 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 set to low or medium is the recommended tool. Avoid open flames, which can cause uneven shrinking or scorching.

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

This tubing is generally made from flame-retardant polyolefin, which resists ignition and self-extinguishes. It is suitable for indoor and sheltered outdoor applications. For prolonged direct UV or moisture exposure, consider a dual-wall adhesive-lined variant for added sealing.

What wire gauges or connector types is this compatible with?

The φ1mm–φ50mm size range covers most common wire gauges from 30 AWG up to large multi-conductor cables, as well as butt connectors, ring terminals, and solder joints. Always verify the expanded diameter against your specific connector or cable OD before ordering.

Can I use this tubing for automotive or marine wiring?

Yes. Polyolefin heat shrink tubing is commonly used in automotive, marine, and RV wiring for insulation, strain relief, and bundling. For bilge or fully submerged applications, a dual-wall adhesive-lined tubing is generally recommended for a watertight seal.

How do I convert the diameter sizes to inches?

Divide the mm value by 25.4 to get inches. Quick reference: φ1mm ≈ 0.039" | φ3mm ≈ 0.118" | φ5mm ≈ 0.197" | φ10mm ≈ 0.394" | φ16mm ≈ 0.630" | φ25mm ≈ 0.984" | φ50mm ≈ 1.969".

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

2:1 Heat Shrink Tubing Orange — φ1mm to φ50mm, 1m / 5m / 10m Lengths

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Beschreibung

Orange 2:1 Heat Shrink Tubing — Reliable Insulation from φ1mm to φ50mm

✅ Key Features of These Orange 2:1 Heat Shrink Tubes

📐 Technical Specifications — 2:1 Heat Shrink Tubing

❓ Frequently Asked Questions

2:1 Heat Shrink Tubing Orange — φ1mm to φ50mm, 1m / 5m / 10m Lengths

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