PVC Heat Shrink Tubing 7mm to 115mm – 1M Flat Width Insulation Wrap

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Sale price$1.67 USD
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In stock (500 units), ready to be shipped

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Description

PVC Heat Shrink Tubing — Reliable Wire Insulation from 7mm to 115mm Flat Width

Loose wire ends, exposed solder joints, and unprotected cable bundles are a safety hazard and an organizational nightmare — whether you're wiring a home workshop, building a battery pack, or finishing an automotive harness. This PVC heat shrink tubing gives hobbyists, electricians, and DIYers a clean, professional solution for insulating and protecting wires of nearly any size.

Each listing is sold per 1-meter length of flat-width PVC heat shrink tubing. Available in 29 flat widths ranging from 7mm (≈0.28") to 115mm (≈4.53"), and in 9 colors: Black, Blue, White, Red, Green, Yellow, Transparent, Purple, and Orange. The tubing features a standard 2:1 shrink ratio and activates with a heat gun at generally 70°C–120°C (158°F–248°F). Dual mm/inch sizing makes it easy to match to both metric and imperial cable specs.

Typical use cases include wire harness insulation for automotive and marine wiring, battery pack wrapping for RC vehicles and e-bikes, color-coded cable management in server racks and control panels, and protective sleeving for DIY electronics and soldered connections.

ℹ️ Compatibility Note: Flat width is the tubing's width when laid flat — not the inner diameter. To find the right size, measure your cable's outer diameter and multiply by ~1.57. When in doubt, size up. See FAQ below for a sizing guide.

✅ Key Features of These PVC Heat Shrink Tubes

  • 📏Wide Size Range — 29 flat widths from 7mm (≈0.28") to 115mm (≈4.53") cover everything from thin signal wires to large battery packs and cable bundles.
  • 🎨9 Color Options — Black, Blue, White, Red, Green, Yellow, Transparent, Purple, and Orange allow color-coded wire identification and organized cable management.
  • 🔥2:1 Shrink Ratio — Shrinks to approximately half its flat width diameter when heated, creating a snug, uniform fit around wires, connectors, and terminals.
  • PVC Insulation Material — Provides electrical insulation and basic moisture resistance, suitable for indoor wiring, DIY electronics, and light-duty outdoor applications.
  • ✂️Cut-to-Length Flexibility — Each 1m piece can be cut to any length, making it practical for both short connector sleeves and longer cable runs without waste.
  • 🔧Heat Gun Compatible — Activates evenly with a standard heat gun at generally 70°C–120°C (158°F–248°F), giving you controlled, professional-looking results on every application.

📐 Technical Specifications — PVC Heat Shrink Tubing

Material PVC (Polyvinyl Chloride)
Flat Width Range 7mm (≈0.28") – 115mm (≈4.53")
Length per Piece 1 m (≈39.4")
Shrink Ratio Typically 2:1
Activation Temperature Generally 70°C–120°C (158°F–248°F)
Available Colors Black, Blue, White, Red, Green, Yellow, Transparent, Purple, Orange
Wall Thickness (pre-shrink) See variant options
Voltage Rating Contact us to confirm
Application Method Heat gun (open flame not recommended)
Suitable For Wire insulation, cable bundling, battery wrapping, connector protection
⚠️ Sizing Tip: If you're between sizes, always choose the larger flat width. A slightly oversized tube will still shrink down and conform; an undersized tube won't fit over your cable at all.

❓ Frequently Asked Questions

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

Measure the outer diameter of your wire or cable bundle, then multiply by approximately 1.57 to get the minimum flat width needed. For example, a 10mm diameter cable typically needs at least a 16mm flat width. When in doubt, size up — heat shrink tubing generally shrinks to about half its flat width diameter. A 23mm flat width, for instance, shrinks down to roughly 11–12mm inner diameter.

What is the shrink ratio of this PVC heat shrink tubing?

This tubing typically has a 2:1 shrink ratio, meaning it shrinks to approximately half its original flat width diameter when heat is applied. For example, a 50mm flat width tube will shrink to roughly 25mm in diameter. Confirm the exact ratio for your selected size variant before use in critical applications.

What temperature is needed to shrink this tubing?

PVC heat shrink tubing generally activates at temperatures between 70°C–120°C (158°F–248°F). A heat gun is strongly recommended for even, controlled shrinkage. Move the heat gun steadily along the tube rather than holding it in one spot. Avoid open flames, which can cause uneven shrinking, discoloration, or damage to the tubing and underlying wire.

Is this tubing suitable for outdoor or wet environments?

Standard PVC heat shrink tubing provides basic moisture resistance and is generally suitable for light indoor and sheltered outdoor use. It is not designed for fully submersed or continuously wet environments. For waterproof applications — such as marine wiring or underground cable splices — consider adhesive-lined (dual-wall) heat shrink tubing, which creates a sealed barrier when shrunk.

What cable sizes does each flat width fit?

As a general guide based on a 2:1 shrink ratio:

  • 7mm flat width → fits cables up to ~4mm diameter
  • 15mm flat width → fits cables up to ~9mm diameter
  • 27mm flat width → fits cables up to ~17mm diameter
  • 50mm flat width → fits cables up to ~32mm diameter
  • 85mm flat width → fits cables up to ~54mm diameter
  • 115mm flat width → fits cables up to ~73mm diameter

Always measure your cable's actual outer diameter before ordering to confirm fit.

Can I use this for battery pack insulation or large-diameter applications?

Yes. The larger flat widths (50mm–115mm) are commonly used for wrapping lithium battery packs, large cable bundles, pipe insulation, and protective sleeving on RC vehicles and e-bikes. The transparent option is especially useful for battery packs where you want to see the cells underneath, while colored options help with labeling and identification.

Does the color affect the electrical insulation properties?

No. All color variants — Black, Blue, White, Red, Green, Yellow, Transparent, Purple, and Orange — share the same PVC insulation properties. Color choice is purely for visual identification and organization. Using different colors for positive, negative, and ground wires is a common practice in automotive and electronics wiring.

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

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