Heat Shrink Tubing 2:1 Polyolefin — φ0.8mm to φ20mm, Black & Clear, 1m–50m
Heat Shrink Tubing 2:1 Polyolefin — φ0.8mm to φ20mm, Black & Clear, 1m–50m
Heat Shrink Tubing 2:1 Polyolefin — φ0.8mm to φ20mm, Black & Clear, 1m–50m
Heat Shrink Tubing 2:1 Polyolefin — φ0.8mm to φ20mm, Black & Clear, 1m–50m
Heat Shrink Tubing 2:1 Polyolefin — φ0.8mm to φ20mm, Black & Clear, 1m–50m
Heat Shrink Tubing 2:1 Polyolefin — φ0.8mm to φ20mm, Black & Clear, 1m–50m
Heat Shrink Tubing 2:1 Polyolefin — φ0.8mm to φ20mm, Black & Clear, 1m–50m
Heat Shrink Tubing 2:1 Polyolefin — φ0.8mm to φ20mm, Black & Clear, 1m–50m
Heat Shrink Tubing 2:1 Polyolefin — φ0.8mm to φ20mm, Black & Clear, 1m–50m
Heat Shrink Tubing 2:1 Polyolefin — φ0.8mm to φ20mm, Black & Clear, 1m–50m
Heat Shrink Tubing 2:1 Polyolefin — φ0.8mm to φ20mm, Black & Clear, 1m–50m
Heat Shrink Tubing 2:1 Polyolefin — φ0.8mm to φ20mm, Black & Clear, 1m–50m
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Heat Shrink Tubing 2:1 Polyolefin — φ0.8mm to φ20mm, Black & Clear, 1m–50mHeat Shrink Tubing 2:1 Polyolefin — φ0.8mm to φ20mm, Black & Clear, 1m–50mHeat Shrink Tubing 2:1 Polyolefin — φ0.8mm to φ20mm, Black & Clear, 1m–50mHeat Shrink Tubing 2:1 Polyolefin — φ0.8mm to φ20mm, Black & Clear, 1m–50mHeat Shrink Tubing 2:1 Polyolefin — φ0.8mm to φ20mm, Black & Clear, 1m–50mHeat Shrink Tubing 2:1 Polyolefin — φ0.8mm to φ20mm, Black & Clear, 1m–50mHeat Shrink Tubing 2:1 Polyolefin — φ0.8mm to φ20mm, Black & Clear, 1m–50mHeat Shrink Tubing 2:1 Polyolefin — φ0.8mm to φ20mm, Black & Clear, 1m–50mHeat Shrink Tubing 2:1 Polyolefin — φ0.8mm to φ20mm, Black & Clear, 1m–50mHeat Shrink Tubing 2:1 Polyolefin — φ0.8mm to φ20mm, Black & Clear, 1m–50mHeat Shrink Tubing 2:1 Polyolefin — φ0.8mm to φ20mm, Black & Clear, 1m–50mHeat Shrink Tubing 2:1 Polyolefin — φ0.8mm to φ20mm, Black & Clear, 1m–50m

Heat Shrink Tubing 2:1 Polyolefin — φ0.8mm to φ20mm, Black & Clear, 1m–50m

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Beschreibung

Heat Shrink Tubing That Fits Every Wire — Ultra-Thin 2:1 Polyolefin, φ0.8mm to φ20mm

Dealing with frayed wires, exposed solder joints, or a tangled wiring harness is frustrating — especially when standard heat shrink tubing is too thick, too stiff, or simply the wrong size. Whether you are an automotive technician, electronics hobbyist, marine rigger, or DIY home repair enthusiast, having the right diameter on hand makes all the difference.

This heat shrink tubing is made from ultra-thin polyolefin with a 2:1 shrink ratio, available in diameters from φ0.8mm (approx 0.031 in) to φ20mm (approx 0.787 in) and in sheath colors of transparent and black. Cut-to-length options range from 1m (approx 3.3 ft) to 50m (approx 164 ft), so you can stock exactly what your project demands without waste.

Typical use cases include insulating automotive wire splices and connector terminals, protecting soldered joints on PCBs and sensor leads, bundling and color-coding low-voltage wiring in marine and RV installations, and organizing cable runs in home theater or workshop setups.

ℹ️ Compatibility Note: This tubing uses a standard 2:1 shrink ratio and fits round conductors, connectors, and terminals. Select a pre-shrink diameter approximately 10–20% larger than the object you need to cover. Not adhesive-lined — for waterproof sealing, an adhesive-lined variant is recommended.

✅ Key Features of These Heat Shrink Tubes

  • 🔥2:1 Shrink Ratio — Shrinks to approximately half its supplied diameter, giving a snug, uniform fit over wire splices, terminals, and connector bodies without bunching or slipping.
  • 📏Wide Diameter Range — Covers φ0.8mm through φ20mm in a single product line, so one order can stock your entire workshop for everything from thin sensor wires to large-gauge power cables.
  • 🎨Transparent and Black Options — Clear tubing lets you inspect wire color-coding and labels after installation; black tubing offers UV resistance and a clean, professional finish for automotive and outdoor wiring.
  • ⚡Flame-Retardant Polyolefin — The polyolefin material is generally flame-retardant and electrically insulating, making it suitable for low-voltage wire insulation, PCB lead protection, and cable management in electronics projects.
  • ✂️Ultra-Thin Wall Construction — The thin wall profile keeps the finished diameter compact, which is especially useful in tight connector housings, automotive plugs, and densely packed wiring harnesses.
  • 📦Flexible Length Options — Available in 1m, 2m, 5m, 10m, 20m, and 50m cuts so you can buy just enough for a single repair or stock a full spool for ongoing production and maintenance work.

📐 Technical Specifications — Heat Shrink Tubing

Material Polyolefin (POL)
Shrink Ratio 2:1
Wall Type Ultra-thin, non-adhesive
Available Diameters (Pre-Shrink) φ0.8mm (≈0.031") · φ1mm (≈0.039") · φ1.5mm (≈0.059") · φ2mm (≈0.079") · φ2.5mm (≈0.098") · φ3mm (≈0.118") · φ3.5mm (≈0.138") · φ4mm (≈0.157") · φ4.5mm (≈0.177") · φ5mm (≈0.197") · φ6mm (≈0.236") · φ7mm (≈0.276") · φ8mm (≈0.315") · φ10mm (≈0.394") · φ11mm (≈0.433") · φ12mm (≈0.472") · φ14mm (≈0.551") · φ15mm (≈0.591") · φ16mm (≈0.630") · φ20mm (≈0.787")
Sheath Colors Transparent · Black
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)
Typical Shrink Temperature Begins at approximately 70–90°C (158–194°F); full recovery at approximately 120°C (248°F)
Flame Retardancy Generally flame-retardant (polyolefin standard); confirm with datasheet for specific certifications
Voltage Rating See variant options / Contact us to confirm for your application
Operating Temperature Range Typically −55°C to +125°C (−67°F to +257°F) — contact us to confirm
Recommended Tool Heat gun (open flame not recommended)
⚠️ Sizing Tip: Always measure the outer diameter of your wire or connector before selecting a size. Choose a tubing diameter that is 10–20% larger than the object in its pre-shrink state. When in doubt, size up — you can always apply more heat for a tighter fit, but you cannot reverse an over-shrunk tube.

❓ Frequently Asked Questions

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

Measure the outer diameter of the wire, connector, or object you need to cover. Choose a tubing diameter that is slightly larger than the object before shrinking — typically 10–20% larger. With a 2:1 shrink ratio, the tubing will shrink to approximately half its original diameter when heat is applied. For example, φ4mm (≈0.157") tubing will shrink to roughly φ2mm (≈0.079").

What is the shrink ratio and what does 2:1 mean?

A 2:1 shrink ratio means the tubing will shrink to approximately half its supplied diameter when heat is applied. For example, φ6mm (≈0.236") tubing will shrink down to roughly φ3mm (≈0.118"). This ratio is standard for general-purpose wire insulation, connector protection, and cable bundling tasks.

What temperature is needed to shrink this tubing?

Polyolefin heat shrink tubing generally begins to shrink at around 70–90°C (158–194°F) and fully recovers at approximately 120°C (248°F). A heat gun is the recommended tool. Avoid applying an open flame directly to the tubing, as uneven heat can cause scorching or uneven shrinkage.

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

Yes. Polyolefin heat shrink tubing is generally flame-retardant and electrically insulating, making it widely used for wire insulation, connector protection, and cable management in automotive, marine, and electronics applications. Always verify the voltage rating matches your specific application requirements before use.

Can I use this tubing outdoors or in wet environments?

Standard polyolefin heat shrink tubing provides good moisture resistance and is suitable for many outdoor applications. However, it is not adhesive-lined, so it does not create a fully waterproof seal. For submersion or high-moisture environments such as marine bilge wiring, an adhesive-lined (3:1 or 4:1) heat shrink tubing is generally recommended.

What is the difference between the transparent and black versions?

Both colors share the same polyolefin material and 2:1 shrink ratio. Transparent tubing allows you to see the wire or label underneath — useful for color-coded wiring or post-installation inspection. Black tubing provides UV resistance and a cleaner finished appearance, and is commonly used in automotive wiring harnesses and professional installations.

What length should I order for my project?

This tubing is sold by the meter in lengths of 1m (≈3.3 ft), 2m (≈6.6 ft), 5m (≈16.4 ft), 10m (≈32.8 ft), 20m (≈65.6 ft), and 50m (≈164 ft). For small repair jobs, 1m or 2m is typically sufficient. For workshop stock or larger projects such as automotive wiring harnesses, 10m–50m options offer better value per meter.

Can I cut this tubing to custom lengths?

Yes. The tubing can be cut to any length with standard scissors or a utility knife before shrinking. Cut cleanly at a right angle to avoid fraying. In most cases, leaving 2–5mm of overhang on each end of the joint or splice provides a secure, professional finish.

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

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