Black Heat Shrink Tubing 2:1 — Electrical Wire Sleeving, Φ0.6mm–Φ210mm
Black Heat Shrink Tubing 2:1 — Electrical Wire Sleeving, Φ0.6mm–Φ210mm
Black Heat Shrink Tubing 2:1 — Electrical Wire Sleeving, Φ0.6mm–Φ210mm
Black Heat Shrink Tubing 2:1 — Electrical Wire Sleeving, Φ0.6mm–Φ210mm
Black Heat Shrink Tubing 2:1 — Electrical Wire Sleeving, Φ0.6mm–Φ210mm
Black Heat Shrink Tubing 2:1 — Electrical Wire Sleeving, Φ0.6mm–Φ210mm
Black Heat Shrink Tubing 2:1 — Electrical Wire Sleeving, Φ0.6mm–Φ210mm
Black Heat Shrink Tubing 2:1 — Electrical Wire Sleeving, Φ0.6mm–Φ210mm
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Black Heat Shrink Tubing 2:1 — Electrical Wire Sleeving, Φ0.6mm–Φ210mmBlack Heat Shrink Tubing 2:1 — Electrical Wire Sleeving, Φ0.6mm–Φ210mmBlack Heat Shrink Tubing 2:1 — Electrical Wire Sleeving, Φ0.6mm–Φ210mmBlack Heat Shrink Tubing 2:1 — Electrical Wire Sleeving, Φ0.6mm–Φ210mmBlack Heat Shrink Tubing 2:1 — Electrical Wire Sleeving, Φ0.6mm–Φ210mmBlack Heat Shrink Tubing 2:1 — Electrical Wire Sleeving, Φ0.6mm–Φ210mmBlack Heat Shrink Tubing 2:1 — Electrical Wire Sleeving, Φ0.6mm–Φ210mmBlack Heat Shrink Tubing 2:1 — Electrical Wire Sleeving, Φ0.6mm–Φ210mm

Black Heat Shrink Tubing 2:1 — Electrical Wire Sleeving, Φ0.6mm–Φ210mm

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Beschreibung

Black Heat Shrink Tubing 2:1 — Reliable Insulation for Every Wire Job

Whether you're rewiring a trailer, repairing automotive harnesses, or organizing a control panel, exposed wire connections are a liability. Electricians, hobbyists, and maintenance technicians rely on black heat shrink tubing 2:1 to protect splices, insulate terminals, and bundle cables cleanly — without the bulk of tape or the mess of liquid insulation.

Each order includes a continuous length of black polyolefin heat shrink tubing with a 2:1 shrink ratio, available in diameters from Φ0.6mm (≈0.024") to Φ210mm (≈8.27") and lengths from 1M (≈3.3 ft) up to 400M (≈1,312 ft). The tubing ships as a single cut length per variant, making it easy to stock the exact size you need for your project or production run.

Typical use cases include automotive wire repair and loom protection, marine and RV electrical bundling, DIY electronics projects requiring wire insulation, and industrial cable management where a clean, professional finish is required.

🔌 Compatibility: Suitable for copper, aluminum, and stranded wire. Works with standard heat guns, soldering station hot air attachments, and industrial heat sources. Verify diameter against your wire OD before ordering — see FAQ for sizing guidance.

✅ Key Features of These Black Heat Shrink Tubes

  • 🔥2:1 Shrink Ratio — Shrinks to approximately half its original inner diameter when heat is applied, creating a snug, form-fitting seal around wires, connectors, and terminals.
  • 📏Wide Diameter Range — Available from Φ0.6mm to Φ210mm, covering everything from fine gauge electronics wire to large-diameter conduit and cable bundles.
  • 🎨Consistent Black Finish — The uniform black color provides a clean, professional appearance for automotive, marine, and industrial wiring applications where aesthetics matter.
  • 🛡️Electrical Insulation — Provides a protective barrier against moisture, abrasion, and accidental contact, helping maintain circuit integrity in exposed or high-vibration environments.
  • ✂️Cut-to-Length Flexibility — Sold in lengths from 1M to 400M, so you can order exactly what your job requires — from a single repair to a full production spool.
  • ⚡Polyolefin Construction — Made from polyolefin material, which is generally recognized for its flexibility after shrinking, resistance to common chemicals, and suitability for low-voltage electrical insulation applications.

📐 Technical Specifications — Black Heat Shrink Tubing 2:1

Material Polyolefin (standard grade)
Color Black
Shrink Ratio 2:1
Available Diameters Φ0.6mm (≈0.024") — Φ210mm (≈8.27")
Available Lengths 1M (≈3.3 ft) — 400M (≈1,312 ft)
Shrink Temperature Typically 90°C–120°C (194°F–248°F)
Voltage Rating Typically up to 600V (low-voltage applications)
Operating Temperature See variant options / Contact us to confirm
Wall Thickness (shrunk) See variant options
Adhesive Lined No (standard non-adhesive)
Application Wire insulation, cable bundling, connector protection, strain relief
Ships From US warehouse
⚠️ Sizing Note: Always measure the outer diameter of your wire or connector before selecting a size. The tubing should slide over the object before shrinking. If you're unsure which diameter to choose, contact us — we're happy to help.

❓ Frequently Asked Questions

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

Measure the outer diameter of the wire or connector 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, Φ10mm tubing will shrink to approximately Φ5mm (≈0.20"). When in doubt, size up rather than down.

What does 2:1 shrink ratio mean?

A 2:1 shrink ratio means the tubing will shrink to half its original inner diameter when heat is applied. For example, Φ10mm tubing shrinks to approximately Φ5mm. This is the most common ratio for general electrical insulation, wire bundling, and connector protection in automotive, marine, and DIY electronics applications.

What temperature is needed to shrink this tubing?

Standard 2:1 polyolefin heat shrink tubing typically begins shrinking at around 90°C (194°F) and fully recovers at approximately 120°C (248°F). A heat gun is the recommended tool — move it evenly along the tubing to avoid hot spots. Avoid open flames, which can cause uneven shrinkage or scorching.

Can this heat shrink tubing be used outdoors or in wet environments?

Standard polyolefin heat shrink tubing generally provides good resistance to moisture and mild UV exposure for short-term outdoor use. For long-term outdoor, marine, or harsh-environment applications, an adhesive-lined variant may provide a better seal. Contact us to confirm suitability for your specific application.

Is this tubing compatible with automotive wiring and connectors?

Yes, 2:1 polyolefin heat shrink tubing is generally compatible with automotive wiring repair, harness protection, and connector insulation. It is typically resistant to oil, fuel splash, and moderate heat. For high-heat engine bay locations, confirm the operating temperature range before use.

How do I convert the diameter from mm to inches?

Divide the mm value by 25.4 to get inches. Common conversions: Φ6mm ≈ 0.24" (~1/4"), Φ10mm ≈ 0.39" (~3/8"), Φ25mm ≈ 0.98" (~1"), Φ50mm ≈ 1.97" (~2"), Φ100mm ≈ 3.94" (~4"). Use these as a guide when matching to AWG wire sizes or standard connector dimensions.

What is the voltage rating of this heat shrink tubing?

Standard 2:1 polyolefin heat shrink tubing is generally rated for low-voltage applications, typically up to 600V. For medium- or high-voltage applications, or for use in UL/CSA-listed assemblies, please contact us to confirm the appropriate specification before ordering.

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

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