Heat Shrink Tubing 2:1 Ratio — 0.6mm to 210mm, Multiple Colors & Lengths
Heat Shrink Tubing 2:1 Ratio — 0.6mm to 210mm, Multiple Colors & Lengths
Heat Shrink Tubing 2:1 Ratio — 0.6mm to 210mm, Multiple Colors & Lengths
Heat Shrink Tubing 2:1 Ratio — 0.6mm to 210mm, Multiple Colors & Lengths
Heat Shrink Tubing 2:1 Ratio — 0.6mm to 210mm, Multiple Colors & Lengths
Heat Shrink Tubing 2:1 Ratio — 0.6mm to 210mm, Multiple Colors & Lengths
Heat Shrink Tubing 2:1 Ratio — 0.6mm to 210mm, Multiple Colors & Lengths
Heat Shrink Tubing 2:1 Ratio — 0.6mm to 210mm, Multiple Colors & Lengths
Heat Shrink Tubing 2:1 Ratio — 0.6mm to 210mm, Multiple Colors & Lengths
Heat Shrink Tubing 2:1 Ratio — 0.6mm to 210mm, Multiple Colors & Lengths
Heat Shrink Tubing 2:1 Ratio — 0.6mm to 210mm, Multiple Colors & Lengths
Heat Shrink Tubing 2:1 Ratio — 0.6mm to 210mm, Multiple Colors & Lengths
Heat Shrink Tubing 2:1 Ratio — 0.6mm to 210mm, Multiple Colors & Lengths
Heat Shrink Tubing 2:1 Ratio — 0.6mm to 210mm, Multiple Colors & Lengths
Heat Shrink Tubing 2:1 Ratio — 0.6mm to 210mm, Multiple Colors & Lengths
Heat Shrink Tubing 2:1 Ratio — 0.6mm to 210mm, Multiple Colors & Lengths
Heat Shrink Tubing 2:1 Ratio — 0.6mm to 210mm, Multiple Colors & Lengths
Heat Shrink Tubing 2:1 Ratio — 0.6mm to 210mm, Multiple Colors & Lengths
Heat Shrink Tubing 2:1 Ratio — 0.6mm to 210mm, Multiple Colors & Lengths
Heat Shrink Tubing 2:1 Ratio — 0.6mm to 210mm, Multiple Colors & Lengths
Heat Shrink Tubing 2:1 Ratio — 0.6mm to 210mm, Multiple Colors & Lengths
Heat Shrink Tubing 2:1 Ratio — 0.6mm to 210mm, Multiple Colors & Lengths
Heat Shrink Tubing 2:1 Ratio — 0.6mm to 210mm, Multiple Colors & Lengths
Heat Shrink Tubing 2:1 Ratio — 0.6mm to 210mm, Multiple Colors & Lengths
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Heat Shrink Tubing 2:1 Ratio — 0.6mm to 210mm, Multiple Colors & LengthsHeat Shrink Tubing 2:1 Ratio — 0.6mm to 210mm, Multiple Colors & LengthsHeat Shrink Tubing 2:1 Ratio — 0.6mm to 210mm, Multiple Colors & LengthsHeat Shrink Tubing 2:1 Ratio — 0.6mm to 210mm, Multiple Colors & LengthsHeat Shrink Tubing 2:1 Ratio — 0.6mm to 210mm, Multiple Colors & LengthsHeat Shrink Tubing 2:1 Ratio — 0.6mm to 210mm, Multiple Colors & LengthsHeat Shrink Tubing 2:1 Ratio — 0.6mm to 210mm, Multiple Colors & LengthsHeat Shrink Tubing 2:1 Ratio — 0.6mm to 210mm, Multiple Colors & LengthsHeat Shrink Tubing 2:1 Ratio — 0.6mm to 210mm, Multiple Colors & LengthsHeat Shrink Tubing 2:1 Ratio — 0.6mm to 210mm, Multiple Colors & LengthsHeat Shrink Tubing 2:1 Ratio — 0.6mm to 210mm, Multiple Colors & LengthsHeat Shrink Tubing 2:1 Ratio — 0.6mm to 210mm, Multiple Colors & LengthsHeat Shrink Tubing 2:1 Ratio — 0.6mm to 210mm, Multiple Colors & LengthsHeat Shrink Tubing 2:1 Ratio — 0.6mm to 210mm, Multiple Colors & LengthsHeat Shrink Tubing 2:1 Ratio — 0.6mm to 210mm, Multiple Colors & LengthsHeat Shrink Tubing 2:1 Ratio — 0.6mm to 210mm, Multiple Colors & LengthsHeat Shrink Tubing 2:1 Ratio — 0.6mm to 210mm, Multiple Colors & LengthsHeat Shrink Tubing 2:1 Ratio — 0.6mm to 210mm, Multiple Colors & LengthsHeat Shrink Tubing 2:1 Ratio — 0.6mm to 210mm, Multiple Colors & LengthsHeat Shrink Tubing 2:1 Ratio — 0.6mm to 210mm, Multiple Colors & LengthsHeat Shrink Tubing 2:1 Ratio — 0.6mm to 210mm, Multiple Colors & LengthsHeat Shrink Tubing 2:1 Ratio — 0.6mm to 210mm, Multiple Colors & LengthsHeat Shrink Tubing 2:1 Ratio — 0.6mm to 210mm, Multiple Colors & LengthsHeat Shrink Tubing 2:1 Ratio — 0.6mm to 210mm, Multiple Colors & Lengths

Heat Shrink Tubing 2:1 Ratio — 0.6mm to 210mm, Multiple Colors & Lengths

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Beschreibung

Heat Shrink Tubing 2:1 — Reliable Wire Insulation from 0.6mm to 210mm

Loose wire ends, exposed splices, and unlabeled cable bundles are a safety hazard and a troubleshooting nightmare. Whether you're a DIY hobbyist rewiring a car stereo, an electrician tidying up a panel, or a maker building a custom electronics project, having the right heat shrink tubing on hand makes every job cleaner, safer, and more professional.

Each listing covers a single diameter and color combination, available in 1 Meter, 3 Meter, or 5 Meter lengths. Unshrunk diameters range from 0.6mm (≈1/32") up to 210mm (≈8.3"), with a 2:1 shrink ratio — meaning the tubing shrinks to approximately half its listed diameter when heat is applied. Colors available: Black, White, Red, Green, Yellow, Blue, and Transparent. Material is polyolefin, which is flexible, flame-retardant, and resistant to moisture and mild chemicals.

Typical use cases include automotive wire repair and color-coding (heat shrink tubing for car wiring), marine and outdoor cable protection (waterproof wire sleeve for boat wiring), electronics prototyping and PCB lead insulation, and large-diameter cable bundling for HVAC or industrial conduit runs. The transparent option is especially useful when you need to see the wire gauge or a printed label underneath.

ℹ️ Compatibility: Fits standard wire gauges from fine signal wire (~28 AWG) up to large cable bundles. Select diameter based on the outer diameter of your wire or bundle — not AWG alone. With a 2:1 ratio, choose an unshrunk size at least 20% larger than your component's OD.

✅ Key Features of These Heat Shrink Tubing Sleeves

  • 🔥2:1 Shrink Ratio — Shrinks to approximately half its unshrunk inner diameter, creating a snug, uniform fit around wires, connectors, and cable bundles without gaps or loose ends.
  • 📏Wide Size Range (0.6mm–210mm) — One source for everything from fine signal wire insulation to large conduit sleeving, eliminating the need to source from multiple suppliers for a single project.
  • 🎨7 Color Options — Black, White, Red, Green, Yellow, Blue, and Transparent allow color-coded wiring for circuit identification, polarity marking, and phase labeling in automotive, marine, and electrical work.
  • 💧Moisture & Chemical Resistance — Polyolefin construction provides resistance to water ingress, mild solvents, and UV exposure, making it suitable for outdoor cable protection and marine wire sleeving applications.
  • ⚡Electrical Insulation — Provides a protective dielectric layer over solder joints, splices, and exposed conductors, generally rated for residential and automotive voltage levels up to 600V.
  • ✂️Cut-to-Length Flexibility — Available in 1m, 3m, and 5m lengths so you can order exactly what your project needs — no waste from oversized rolls, no running short on a multi-wire job.

📐 Technical Specifications — Heat Shrink Tubing 2:1 Polyolefin

Material Polyolefin (flame-retardant)
Shrink Ratio 2:1
Unshrunk Diameter Range 0.6mm (≈1/32") — 210mm (≈8.3")
Available Colors Black, White, Red, Green, Yellow, Blue, Transparent
Available Lengths 1 Meter (≈3.3 ft), 3 Meter (≈9.8 ft), 5 Meter (≈16.4 ft)
Activation Temperature Typically ~90°C (194°F); full shrink ~120°C (248°F)
Voltage Rating Typically up to 600V (residential/automotive); contact us for industrial use
Operating Temperature See variant options / Contact us to confirm
Wall Thickness (shrunk) See variant options
Flame Retardancy Generally meets UL 224 / RoHS-compliant materials
Country of Origin See variant options
⚠️ Note: Diameter listed is the unshrunk inner diameter. After applying heat, the tubing will shrink to approximately half this value. Always verify fit on your specific wire or connector before cutting a full length.

❓ Frequently Asked Questions

How do I choose the right diameter heat shrink tubing?

Measure the outer diameter of the wire or connector before shrinking. Choose a tubing size whose unshrunk inner diameter is at least 20% larger than your component. For example, a 4mm (≈5/32") wire typically fits well in 5mm or 6mm unshrunk tubing. With a 2:1 shrink ratio, the tubing will shrink to approximately half its listed diameter. When in doubt, size up — tubing that is slightly too large will still shrink down; tubing that is too small will not slide over the component.

What does 2:1 shrink ratio mean?

A 2:1 shrink ratio means the tubing will shrink to approximately half its original (unshrunk) inner diameter when heat is applied. For example, 10mm (≈3/8") unshrunk tubing will shrink to roughly 5mm (≈3/16"). This ratio is the most common for general-purpose wire insulation, connector sealing, and cable bundling in automotive, marine, and electronics applications.

What temperature is needed to shrink the tubing?

Most polyolefin heat shrink tubing generally activates at around 90°C (194°F) and fully shrinks at approximately 120°C (248°F). A heat gun is recommended for even, controlled shrinkage. Move the heat gun slowly along the tubing from one end to the other to avoid bubbling or uneven shrinkage. A lighter can work for small repairs in a pinch but may cause scorching on lighter colors.

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

Polyolefin heat shrink tubing is generally resistant to moisture, UV exposure, and mild chemicals, making it suitable for many outdoor applications such as marine wiring, garden lighting, and automotive engine bay repairs. For prolonged submersion or harsh chemical exposure, we recommend confirming the specific operating temperature and chemical resistance ratings for your chosen size before use.

Is this tubing compatible with standard AWG wire gauges?

Yes. The range of diameters (0.6mm to 210mm unshrunk) covers wire gauges from very fine signal wires (typically 28–30 AWG) up to large cable bundles and conduit. Select the diameter based on the outer diameter of your wire or bundle, not the AWG alone, as insulation thickness varies significantly between wire types and manufacturers.

Does the color affect the electrical or thermal performance?

No — all color variants (Black, White, Red, Green, Yellow, Blue, Transparent) are made from the same polyolefin material and share the same electrical insulation and thermal shrink properties. Color is used for circuit identification, polarity marking, phase labeling, or aesthetics. Transparent tubing is particularly useful when you need to see the underlying wire gauge or a printed label after installation.

What is the voltage rating, and is it safe for automotive use?

Standard polyolefin 2:1 heat shrink tubing is generally rated for up to 600V, which covers the vast majority of residential electrical, automotive (12V–48V), and low-voltage electronics applications. It is widely used for car audio wiring, trailer harness repair, and motorcycle electrical work. For high-voltage industrial or EV applications, please contact us to confirm the specific rating for your chosen size.

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

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