2:1 Heat Shrink Tubing Clear Transparent — φ0.6mm to φ100mm, 1M / 5M / 10M

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Description

 

Clear 2:1 Heat Shrink Tubing — Reliable Wire Insulation from φ0.6mm to φ100mm

Whether you're a hobbyist rewiring a circuit board, an auto technician protecting harness splices, or an electrician finishing terminal connections, finding the right heat shrink tubing in the exact diameter you need shouldn't be a hassle. Loose-fitting or wrong-sized sleeving leaves wires exposed to abrasion, moisture, and short-circuit risk — costing time and money on rework.

This clear 2:1 heat shrink tubing is made from flexible polyolefin and is available in a wide range of diameters from φ0.6mm (≈0.024") to φ100mm (≈3.94"), with length options of 1M (≈3.3 ft), 5M (≈16.4 ft), and 10M (≈32.8 ft) per order. The 2:1 shrink ratio means each tube shrinks to approximately half its expanded inner diameter when heat is applied, creating a firm, uniform sleeve around your wire or component.

Typical applications include insulating and color-coding wire splices in automotive wiring harnesses, protecting solder joints on PCB leads and connector pins, bundling multi-conductor cables in home electrical panels, and sleeving small-diameter tubing or hydraulic lines in workshop equipment. The transparent finish lets you inspect the connection underneath without removing the sleeve.

🔌 Compatibility: Suitable for copper and aluminum wire, insulated conductors, solder joints, crimp terminals, and small-diameter tubing. Verify the expanded inner diameter is larger than your component before ordering.

✅ Key Features of These Clear Heat Shrink Tubes

  • 📐Wide Diameter Range — Covers φ0.6mm to φ100mm in a single product line, so you can find the right fit for everything from fine gauge wire to large cable bundles without sourcing from multiple suppliers.
  • 🔥2:1 Shrink Ratio — Shrinks to approximately half its expanded diameter when heated to around 90–120°C (194–248°F), forming a tight, uniform sleeve that stays in place under vibration and flex.
  • 🔍Transparent Clear Finish — The see-through polyolefin wall lets you visually inspect solder joints, wire labels, and connector markings after installation — no need to cut the sleeve to check your work.
  • Electrical Insulation — Provides dielectric protection typically rated up to 600V, making it suitable for low-voltage wire insulation, terminal protection, and connector sealing in automotive and electronics applications.
  • ✂️Cut-to-Length Flexibility — Available in 1M, 5M, and 10M lengths so you can order the quantity that matches your project scale — from a single repair to a full production run.
  • 🛡️Abrasion and Moisture Resistance — The polyolefin material resists mechanical abrasion, mild chemicals, and moisture ingress, helping protect wire insulation in engine bays, control panels, and outdoor junction boxes.

📐 Technical Specifications — Clear Polyolefin Heat Shrink Tubing

Material Polyolefin (clear/transparent)
Shrink Ratio 2:1
Diameter Range (Expanded) φ0.6mm (≈0.024") — φ100mm (≈3.94")
Available Lengths 1M (≈3.3 ft) / 5M (≈16.4 ft) / 10M (≈32.8 ft)
Shrink Temperature Typically 90°C (194°F) onset; full shrink at ~120°C (248°F)
Voltage Rating Typically up to 600V — contact us to confirm for your size
Operating Temperature Range Typically -55°C to +125°C (-67°F to +257°F)
Wall Thickness (recovered) See variant options
Color / Finish Clear / Transparent
Flame Rating Contact us to confirm
Compliance Contact us to confirm (RoHS status available on request)
⚠️ Sizing tip: Always measure the outer diameter of your wire or component before selecting a size. The listed diameter is the expanded (pre-shrink) inner diameter. After shrinking, the tubing will recover to approximately half that value.

❓ Frequently Asked Questions

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

Measure the outer diameter of the object you need to cover. Choose a tubing size whose expanded (pre-shrink) inner diameter is at least 10–20% larger than that measurement. After shrinking at a 2:1 ratio, the tubing will grip the object snugly. For example, a φ6mm tube shrinks down to approximately φ3mm (≈1/8").

What shrink ratio does this tubing use?

This tubing uses a 2:1 shrink ratio, meaning it shrinks to approximately half its original inner diameter when heat is applied. This is the most common ratio for general-purpose wire insulation, connector protection, and cable bundling tasks.

What temperature is needed to shrink this tubing?

This tubing typically begins to shrink at around 90°C (194°F), with full shrinkage generally achieved at approximately 120°C (248°F). A heat gun is the recommended tool. Avoid using open flames, as uneven heat can scorch or distort the tubing before it shrinks evenly.

Can this heat shrink tubing be used outdoors?

This clear polyolefin tubing generally offers good resistance to moisture and short-term UV exposure, making it suitable for many outdoor applications such as garden lighting wiring or outdoor junction box connections. For long-term marine or direct-sunlight installations, we recommend contacting us — adhesive-lined or UV-stabilized variants may be more appropriate.

What is the voltage rating of this tubing?

Polyolefin heat shrink tubing of this type typically carries a dielectric voltage rating of up to 600V, making it suitable for most low-voltage wire insulation and terminal protection tasks. Please contact us to confirm the exact rating for your specific diameter before use in high-voltage or safety-critical applications.

Is this tubing compatible with all wire types?

Yes, in most cases this tubing is compatible with copper, aluminum, and most insulated wire types. It is also suitable for use over crimp connectors, solder joints, PCB leads, and small-diameter tubing or hoses. If you are sleeving an unusual substrate (e.g., silicone-jacketed wire), contact us to confirm compatibility.

How do I convert mm to inches for sizing?

Divide the mm value by 25.4 to get the inch equivalent. Quick reference: φ3mm ≈ 1/8", φ6mm ≈ 1/4", φ12mm ≈ 1/2", φ25mm ≈ 1", φ50mm ≈ 2". For example, if your wire measures 0.25" (≈6.35mm) in diameter, a φ8mm or φ9mm tube would be a good starting point.

Can I use a lighter or hair dryer instead of a heat gun?

A hair dryer generally does not reach the temperatures needed for reliable shrinkage and is not recommended for consistent results. A lighter can work in a pinch for small diameters, but the open flame risks scorching the tubing or the underlying wire insulation. A heat gun is the most reliable and safe tool for this application.

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

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