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home > 2:1 Heat Shrink Tubing – 0.6mm to 80mm, 7 Colors, 1M per Pack > 2:1 Heat Shrink Tubing – 0.6mm to 80mm, 7 Colors, 1M per Pack

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2:1 Heat Shrink Tubing – 0.6mm to 80mm, 7 Colors, 1M per PackHeat Shrink Tubing That Fits Every Wire 0. 6mm to 80mm, 2: 1 Shrink Ratio Whether you're a DIY enthusiast rewiring a car stereo, an electrician bundling control panel cables, or a hobbyist repairing RC electronics, finding the right heat shrink tubing in the right size shouldn't be a scavenger hunt. Loose connections, exposed conductors, and frayed insulation are real hazards and the wrong size tubing makes the job harder, not easier. This heat shrink

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Heat Shrink Tubing That Fits Every Wire — 0.6mm to 80mm, 2:1 Shrink Ratio

Whether you're a DIY enthusiast rewiring a car stereo, an electrician bundling control panel cables, or a hobbyist repairing RC electronics, finding the right heat shrink tubing in the right size shouldn't be a scavenger hunt. Loose connections, exposed conductors, and frayed insulation are real hazards — and the wrong size tubing makes the job harder, not easier.

This heat shrink tubing is made from flexible polyolefin material with a 2:1 shrink ratio, meaning it shrinks to approximately half its listed inner diameter when heat is applied. Each listing covers a single 1M (≈39.4") length in your chosen diameter — ranging from 0.6mm (≈0.024") up to 80mm (≈3.15") — and is available in 7 colors: White, Red, Green, Blue, Transparent, Yellow, and Black. The tubing wall is thin and uniform, allowing it to conform tightly to irregular shapes without cracking or splitting.

Typical use cases include automotive wiring harness repair, soldered wire joint insulation, cable color-coding in control panels, protecting antenna connections on RC vehicles, and bundling low-voltage LED wiring in home renovation projects. The transparent option is especially useful when you need to see the wire gauge or a printed label underneath the sleeve.

🔌 Compatibility: Fits standard AWG and metric wire gauges. Select a pre-shrink diameter slightly larger than your wire or connector's outer diameter. With 2:1 ratio, the tubing shrinks to approximately half the listed size. See variant options for full diameter range.

✅ Key Features of These Heat Shrink Tubes

📐Wide Diameter Range — Available from 0.6mm to 80mm, covering fine electronics wiring, automotive cables, and large conduit bundles in a single product line.
🔥2:1 Shrink Ratio — Shrinks to approximately half its original inner diameter, creating a snug, uniform sleeve around wires, connectors, and solder joints.
🎨7 Color Options — White, Red, Green, Blue, Transparent, Yellow, and Black allow color-coded wire identification in automotive, marine, and panel wiring applications.
🛡️Polyolefin Construction — Flexible, halogen-free polyolefin material provides electrical insulation, moisture resistance, and protection against abrasion for both indoor and outdoor cable sleeving.
✂️Easy to Cut and Apply — Cuts cleanly with scissors or a utility knife; shrinks evenly with a heat gun, making it suitable for heat shrink wire connectors, terminal ends, and cable repair.
📦1M Length per Pack — Each pack includes 1 meter (≈39.4") of tubing, giving you enough material for multiple connections or one longer cable run without waste.

📐 Technical Specifications — Heat Shrink Tubing

Material	Polyolefin (halogen-free)
Shrink Ratio	2:1
Diameter Range (Pre-Shrink)	0.6mm–80mm (≈0.024"–3.15")
Length per Pack	1M (≈39.4")
Available Colors	White, Red, Green, Blue, Transparent, Yellow, Black
Shrink Temperature	Typically 120–135°C (248–275°F)
Operating Temperature	See variant options / Contact us to confirm
Wall Thickness (Post-Shrink)	See variant options
Voltage Rating	See variant options / Contact us to confirm
Compliance	Generally RoHS compliant — Contact us to confirm
Application	Wire insulation, cable sleeving, connector protection, color coding

⚠️ Sizing tip: Always measure the outer diameter of your wire or connector before selecting a size. The listed diameter is the pre-shrink inner diameter. With a 2:1 ratio, the finished (post-shrink) inner diameter will be approximately half the listed size.

❓ 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, then select a tubing size that is slightly larger before shrinking. With a 2:1 shrink ratio, the tubing will shrink to approximately half its listed diameter. For example, 6mm tubing shrinks to roughly 3mm (about 1/8"). When in doubt, size up to ensure easy installation.

What shrink ratio does this tubing use?

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

What temperature is needed to shrink the tubing?

Polyolefin heat shrink tubing typically activates at around 90°C (194°F) and fully shrinks at approximately 120–135°C (248–275°F). A heat gun is recommended for even, controlled shrinkage. A lighter or match can work for small diameters but may cause uneven results.

Can this heat shrink tubing be used outdoors?

Polyolefin heat shrink tubing generally offers good resistance to moisture, UV exposure, and mild chemicals, making it suitable for many outdoor applications. For harsh marine or direct-burial environments, an adhesive-lined (3:1) variant is generally recommended for a watertight seal.

What wire gauges or connector types is this compatible with?

This tubing is compatible with standard AWG and metric wire gauges, as well as common connectors, terminals, and solder joints. The wide diameter range (0.6mm to 80mm) covers everything from fine electronics wiring to large cable bundles. Always verify the pre-shrink inner diameter against your component's outer diameter before ordering.

How do I select between the available colors?

Color selection is typically used for wire identification and organization. Standard electrical color coding in the US uses black for ground/negative, red for positive/hot, white or gray for neutral, green for ground (equipment), and blue or yellow for secondary circuits. Transparent tubing lets you see the wire or label underneath.

Is this tubing RoHS compliant and safe for automotive use?

Polyolefin heat shrink tubing is generally RoHS compliant and halogen-free, making it suitable for automotive wiring harnesses, marine electronics, and consumer electronics repair. Please confirm specific compliance certifications with us if required for your application.

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

2:1 Heat Shrink Tubing – 0.6mm to 80mm, 7 Colors, 1M per Pack

Name: 2:1 Heat Shrink Tubing – 0.6mm to 80mm, 7 Colors, 1M per Pack
Brand: okunadegoodman.com
SKU: 30132648963
Price: 49.00 USD
Availability: InStock
Rating: 4.7677000000000005 (1249 reviews)