Grey PE Heat Shrink Tubing 2:1 — 1mm to 50mm Diameter, 1–10 Meter Lengths
Grey PE Heat Shrink Tubing 2:1 — 1mm to 50mm Diameter, 1–10 Meter Lengths
Grey PE Heat Shrink Tubing 2:1 — 1mm to 50mm Diameter, 1–10 Meter Lengths
Grey PE Heat Shrink Tubing 2:1 — 1mm to 50mm Diameter, 1–10 Meter Lengths
Grey PE Heat Shrink Tubing 2:1 — 1mm to 50mm Diameter, 1–10 Meter Lengths
Grey PE Heat Shrink Tubing 2:1 — 1mm to 50mm Diameter, 1–10 Meter Lengths
Grey PE Heat Shrink Tubing 2:1 — 1mm to 50mm Diameter, 1–10 Meter Lengths
Grey PE Heat Shrink Tubing 2:1 — 1mm to 50mm Diameter, 1–10 Meter Lengths
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Grey PE Heat Shrink Tubing 2:1 — 1mm to 50mm Diameter, 1–10 Meter LengthsGrey PE Heat Shrink Tubing 2:1 — 1mm to 50mm Diameter, 1–10 Meter LengthsGrey PE Heat Shrink Tubing 2:1 — 1mm to 50mm Diameter, 1–10 Meter LengthsGrey PE Heat Shrink Tubing 2:1 — 1mm to 50mm Diameter, 1–10 Meter LengthsGrey PE Heat Shrink Tubing 2:1 — 1mm to 50mm Diameter, 1–10 Meter LengthsGrey PE Heat Shrink Tubing 2:1 — 1mm to 50mm Diameter, 1–10 Meter LengthsGrey PE Heat Shrink Tubing 2:1 — 1mm to 50mm Diameter, 1–10 Meter LengthsGrey PE Heat Shrink Tubing 2:1 — 1mm to 50mm Diameter, 1–10 Meter Lengths

Grey PE Heat Shrink Tubing 2:1 — 1mm to 50mm Diameter, 1–10 Meter Lengths

HomeDIYer
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By HomeDIYer®

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$2.53 USD
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In stock (500 units), ready to be shipped

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Description

 

Grey PE Heat Shrink Tubing 2:1 — Reliable Wire Insulation from 1mm to 50mm

Exposed wire splices, frayed cable ends, and unprotected connectors are a constant headache for electricians, automotive technicians, and DIY enthusiasts alike. Whether you're tidying up a home wiring project or protecting harness connections in a vehicle, having the right grey PE heat shrink tubing on hand makes the difference between a clean, lasting repair and one that fails under stress.

Each piece is cut from a continuous grey polyethylene (PE) tube with a 2:1 shrink ratio, meaning it recovers to approximately half its listed inner diameter when heat is applied. Available in 21 diameters from φ1mm (≈0.04") to φ50mm (≈1.97"), and in four convenient lengths — 1 meter (≈3.3 ft), 2 meters (≈6.6 ft), 5 meters (≈16.4 ft), and 10 meters (≈32.8 ft) — so you can order exactly what your project requires without waste.

Typical use cases include insulating automotive wire harness repairs, bundling multi-conductor cables in control panels, protecting solder joints on marine or outdoor electrical connections, and organizing signal wires in electronics prototyping. The neutral grey finish blends into most installations without drawing attention.

ℹ️ Compatibility: Suitable for copper, aluminum, and stranded wire. Works with standard heat guns (120–135°C / 248–275°F activation range). Covers wire diameters from approximately 0.5mm to 25mm recovered. Verify your cable's outer diameter before selecting a size.

✅ Key Features of These Grey PE Heat Shrink Tubes

  • 📐21 Diameter Options — From φ1mm to φ50mm, this grey PE heat shrink tubing covers fine signal wires through large power cables, eliminating the need to stock multiple product lines.
  • 🔥2:1 Shrink Ratio — Recovers to approximately half its original inner diameter, creating a snug, uniform sleeve that conforms tightly to irregular connector shapes and wire bundles.
  • 🛡️Polyethylene Construction — PE material provides solid electrical insulation and resistance to moisture, oils, and common solvents encountered in automotive and industrial wiring environments.
  • ✂️Cut-to-Length Flexibility — Available in 1, 2, 5, and 10 meter lengths so you can match your order to the job size, whether it's a single splice repair or a full cable management run.
  • 🎨Neutral Grey Finish — The grey color integrates cleanly into automotive interiors, electrical panels, and DIY builds without the visual clutter of brightly colored sleeving.
  • ⚡Low Activation Temperature — Shrinks reliably at around 120°C (248°F), compatible with standard heat guns and avoiding the risk of damaging heat-sensitive components nearby.

📐 Technical Specifications — PE Heat Shrink Tubing

Material Polyethylene (PE)
Color Grey
Shrink Ratio 2:1
Diameter Range (Before Shrink) φ1mm (≈0.04") to φ50mm (≈1.97")
Available Diameters φ1, 1.5, 2, 2.5, 3, 3.5, 4, 5, 6, 7, 8, 9, 10, 12, 14, 16, 20, 25, 30, 40, 50mm
Available Lengths 1m (≈3.3 ft), 2m (≈6.6 ft), 5m (≈16.4 ft), 10m (≈32.8 ft)
Activation Temperature Typically ~120°C (248°F)
Full Recovery Temperature Typically ~135°C (275°F)
Longitudinal Shrinkage Typically ≤10%
Voltage Rating See variant options — contact us to confirm for high-voltage use
Wall Thickness (After Shrink) See variant options
Application Method Heat gun (recommended); avoid open flame
⚠️ Sizing Note: Always measure your cable's outer diameter before ordering. With a 2:1 ratio, select a tubing diameter that is approximately 20–30% larger than the cable's pre-shrink outer diameter for a secure fit.

❓ Frequently Asked Questions

How do I choose the right diameter for my wire or cable?

Measure the outer diameter of your wire or connector before shrinking. With a 2:1 ratio, the tubing will shrink to approximately half its listed diameter. As a general rule, choose a size that is 20–30% larger than the cable's outer diameter before heat is applied. For example, φ6mm tubing (≈0.24" recovered) typically suits cables around 3–4mm in diameter.

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

A 2:1 shrink ratio means the tubing will shrink to roughly half its original inner diameter when heat is applied. For example, φ10mm (≈0.39") tubing will recover to approximately 5mm (≈0.20"). This ratio is generally sufficient for most standard wire insulation and bundling applications.

Can this heat shrink tubing be used outdoors?

PE heat shrink tubing generally offers good resistance to moisture and UV exposure for short-term or sheltered outdoor use. For long-term direct outdoor exposure or harsh environments, a dual-wall adhesive-lined tubing is typically recommended for a fully waterproof seal. Contact us to confirm suitability for your specific application.

What temperature is needed to shrink this tubing?

PE heat shrink tubing typically activates at around 120°C (248°F) and fully recovers at approximately 135°C (275°F). A standard heat gun on a low-to-medium setting works well. Avoid open flames, which can cause uneven shrinkage or scorching.

Is this tubing compatible with standard wire gauges like AWG or metric?

Yes. The diameter range of φ1mm to φ50mm covers a wide span of wire gauges, from fine signal wires to large power cables. In most cases, the metric diameter listed corresponds directly to the tubing's inner diameter before shrinking. Refer to your wire's outer diameter in millimeters to select the correct size.

How much length should I cut for each application?

Generally, cut the tubing 10–20% longer than the area you need to cover, as some longitudinal shrinkage (typically 5–10%) may occur during heat application. For example, to cover a 50mm (≈2") splice, cutting 55–60mm (≈2.2–2.4") is a common practice.

What is the voltage rating of this heat shrink tubing?

PE heat shrink tubing in this category is generally rated for low-to-medium voltage applications. Specific voltage ratings vary by wall thickness and diameter. Contact us to confirm the rating for your chosen size before use in high-voltage environments.

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

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