Heat Shrink Tubing 2:1 Ratio — 6mm to 11mm, 1m to 50m, Multiple Colors
Heat Shrink Tubing 2:1 Ratio — 6mm to 11mm, 1m to 50m, Multiple Colors
Heat Shrink Tubing 2:1 Ratio — 6mm to 11mm, 1m to 50m, Multiple Colors
Heat Shrink Tubing 2:1 Ratio — 6mm to 11mm, 1m to 50m, Multiple Colors
Heat Shrink Tubing 2:1 Ratio — 6mm to 11mm, 1m to 50m, Multiple Colors
Heat Shrink Tubing 2:1 Ratio — 6mm to 11mm, 1m to 50m, Multiple Colors
Heat Shrink Tubing 2:1 Ratio — 6mm to 11mm, 1m to 50m, Multiple Colors
Heat Shrink Tubing 2:1 Ratio — 6mm to 11mm, 1m to 50m, Multiple Colors
Heat Shrink Tubing 2:1 Ratio — 6mm to 11mm, 1m to 50m, Multiple Colors
Heat Shrink Tubing 2:1 Ratio — 6mm to 11mm, 1m to 50m, Multiple Colors
Heat Shrink Tubing 2:1 Ratio — 6mm to 11mm, 1m to 50m, Multiple Colors
Heat Shrink Tubing 2:1 Ratio — 6mm to 11mm, 1m to 50m, Multiple Colors
Heat Shrink Tubing 2:1 Ratio — 6mm to 11mm, 1m to 50m, Multiple Colors
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Heat Shrink Tubing 2:1 Ratio — 6mm to 11mm, 1m to 50m, Multiple ColorsHeat Shrink Tubing 2:1 Ratio — 6mm to 11mm, 1m to 50m, Multiple ColorsHeat Shrink Tubing 2:1 Ratio — 6mm to 11mm, 1m to 50m, Multiple ColorsHeat Shrink Tubing 2:1 Ratio — 6mm to 11mm, 1m to 50m, Multiple ColorsHeat Shrink Tubing 2:1 Ratio — 6mm to 11mm, 1m to 50m, Multiple ColorsHeat Shrink Tubing 2:1 Ratio — 6mm to 11mm, 1m to 50m, Multiple ColorsHeat Shrink Tubing 2:1 Ratio — 6mm to 11mm, 1m to 50m, Multiple ColorsHeat Shrink Tubing 2:1 Ratio — 6mm to 11mm, 1m to 50m, Multiple ColorsHeat Shrink Tubing 2:1 Ratio — 6mm to 11mm, 1m to 50m, Multiple ColorsHeat Shrink Tubing 2:1 Ratio — 6mm to 11mm, 1m to 50m, Multiple ColorsHeat Shrink Tubing 2:1 Ratio — 6mm to 11mm, 1m to 50m, Multiple ColorsHeat Shrink Tubing 2:1 Ratio — 6mm to 11mm, 1m to 50m, Multiple ColorsHeat Shrink Tubing 2:1 Ratio — 6mm to 11mm, 1m to 50m, Multiple Colors

Heat Shrink Tubing 2:1 Ratio — 6mm to 11mm, 1m to 50m, Multiple Colors

HomeDIYer
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By HomeDIYer®

Price:
$2.11 USD
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In stock (500 units), ready to be shipped

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Description

Heat Shrink Tubing 2:1 Ratio — Reliable Wire Insulation for Every Project

Whether you're a DIY enthusiast repairing a frayed cable, an automotive technician protecting a wiring harness, or an electrician finishing a clean installation, loose or exposed wires create safety hazards and look unprofessional. This heat shrink tubing 2:1 ratio gives you a fast, durable solution that seals, insulates, and protects in seconds.

Each order is sold by the meter or roll. Available in diameters from 6mm (≈1/4") to 11mm (≈7/16") and lengths from 1m (≈3.3 ft) to 50m (≈164 ft). Choose from seven colors — Black, White, Red, Green, Yellow, Blue, and Transparent — to match your wiring convention or color-coding system. Material is standard polyolefin, which shrinks at a 2:1 ratio when heat is applied.

Typical use cases include automotive wire splicing and harness protection, electronics hobby projects and PCB lead insulation, home electrical repairs, and cable management in marine or outdoor enclosures where moisture resistance matters.

🔌 Compatibility: Fits standard round wire, cables, connectors, and terminals. Expanded inner diameter ranges from 6mm to 11mm — shrinks to approximately half that diameter after heat application. Suitable for copper, aluminum, and most insulated conductors.

✅ Key Features of These Heat Shrink Tubes

  • 🔥True 2:1 Shrink Ratio — Shrinks to approximately half its expanded diameter, creating a snug, uniform fit around wires, terminals, and connectors without gaps or loose ends.
  • 🎨7 Color Options — Black, White, Red, Green, Yellow, Blue, and Transparent let you follow standard wiring color codes or create a visually organized cable system at a glance.
  • 📏Wide Diameter Range — Available from 6mm to 11mm expanded inner diameter, covering a broad range of wire gauges and connector sizes in a single product line.
  • 🌧️Moisture & Abrasion Resistance — Polyolefin construction generally resists moisture ingress, mild chemicals, and surface abrasion, making it suitable for automotive, marine, and outdoor wiring repairs.
  • ✂️Cut-to-Length Flexibility — Sold in 1m, 2m, 5m, 10m, and 50m options so you can buy exactly what your project needs — from a single splice repair to a full wiring harness job.
  • ⚡Low-Voltage Insulation — Designed for general electrical insulation in low-voltage wiring applications, helping prevent short circuits and protecting conductors from environmental exposure.

📐 Technical Specifications — Heat Shrink Tubing 2:1

Product Type Heat Shrink Tubing
Shrink Ratio 2:1
Material Polyolefin
Expanded Inner Diameter 6mm, 6.5mm, 7mm, 8mm, 9mm, 10mm, 11mm
Recovered (Shrunk) Diameter Approximately half the expanded diameter (e.g., 6mm → ~3mm)
Available Lengths 1m (≈3.3 ft), 2m (≈6.6 ft), 5m (≈16.4 ft), 10m (≈32.8 ft), 50m (≈164 ft)
Colors Black, White, Red, Green, Yellow, Blue, Transparent
Activation Temperature Typically ~90°C (194°F); full shrink at ~120°C–150°C (248°F–302°F)
Voltage Rating Generally up to 600V (low-voltage applications) — contact us to confirm
Wall Thickness (recovered) See variant options
Application Method Heat gun, hot air station, or carefully applied open flame
Typical Use Wire insulation, splice protection, cable bundling, connector sealing
⚠️ Note: Recovered wall thickness and exact voltage ratings vary by diameter. If your application requires certified specifications, please contact us to confirm before ordering.

❓ Frequently Asked Questions

How do I choose the right diameter for my heat shrink tubing?

Measure the outer diameter of the wire or connector you need to cover. Choose a tubing size whose expanded (pre-shrink) inner diameter is slightly larger than your component. After shrinking at a 2:1 ratio, the tubing will typically reduce to about half its original diameter — for example, 6mm tubing generally shrinks down to approximately 3mm. When in doubt, size up by one step to ensure easy installation before shrinking.

What temperature is needed to shrink this tubing?

Standard 2:1 polyolefin heat shrink tubing typically activates at around 90°C (194°F) and fully shrinks between 120°C–150°C (248°F–302°F). A heat gun is the recommended tool for even, controlled shrinkage. An open flame can be used carefully but may cause uneven shrinkage or surface scorching if held too close.

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

Standard polyolefin heat shrink tubing generally provides good resistance to moisture, UV exposure, and mild chemicals, making it suitable for many outdoor and automotive applications. For harsh marine environments, direct-burial, or applications requiring a fully watertight seal, an adhesive-lined (dual-wall) heat shrink variant is generally recommended.

Is this tubing compatible with automotive wiring and harness repair?

Yes. Polyolefin heat shrink tubing is widely used in automotive wiring repairs, harness protection, and connector insulation. It is generally rated to withstand the temperature ranges and vibration conditions found in most vehicle environments. The color options also make it easy to maintain standard automotive wiring color codes.

How do I choose the right length — 1m, 2m, 5m, 10m, or 50m?

For a single repair or small project, 1m or 2m is typically sufficient. Hobbyists and electronics enthusiasts working on multiple projects often find 5m–10m more economical. The 50m roll is ideal for professional electricians, automotive technicians, or anyone doing high-volume wiring work who wants to minimize per-meter cost.

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 high-voltage, industrial, or safety-critical applications, please contact us to confirm the specific rating for the diameter you need before ordering.

Can I cut this tubing to a custom length before or after shrinking?

Yes. The tubing can be cut to any length with scissors or a utility knife both before and after shrinking. For the cleanest finish, cut at a right angle to the tube axis. Pre-shrink cutting is generally easier and gives a neater edge.

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

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