PVC Heat Shrink Tubing for RC Battery & Cable Wire — 7mm to 31mm, Multiple Colors - HomeDIYer

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PVC Heat Shrink Tubing for RC Battery & Cable Wire — 7mm to 31mm, Multiple Colors

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Width Flat (Diameter): 7mm Φ4mm

Colour: Blue

Length(M): 1 Meter

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$5.36 USD

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Verfügbar (500 Stück), versandbereit

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PVC Heat Shrink Tubing for RC Battery Packs & Cable Wire — Reliable Insulation in 8 Colors

If you've ever had a bare solder joint short against a neighboring cell, or a wire bundle unravel mid-project, you know how critical a clean, secure sleeve is. This PVC heat shrink tubing is built for hobbyists, RC builders, and DIY electricians who need a fast, tidy way to insulate, bundle, and color-code wires and battery packs without fuss.

Each roll is made from flexible PVC with a 2:1 shrink ratio. The 7mm flat width recovers to approximately Φ4mm, and the 31mm flat width recovers to approximately Φ20mm — making it suitable for everything from individual wires to full RC battery pack bundles. Available in 1-meter (≈39.4") and 10-meter (≈393.7") rolls, and in 8 colors: Blue, Silver Gray, White, Red, Green, Transparent, Yellow, and Black.

Typical use cases include wrapping LiPo and NiMH RC battery packs for protection and identification, sleeving cable wire harnesses in automotive and marine wiring projects, and organizing multi-conductor bundles in home electrical DIY and workshop builds. The color variety makes it especially practical for color-coded wiring systems where quick visual identification reduces errors.

ℹ️ Compatibility Note: Flat width 7mm recovers to Φ4mm; flat width 31mm recovers to Φ20mm. Measure your wire or battery pack outer diameter before selecting a size. Shrinks with a heat gun at typically 70–90°C (160–195°F).

✅ Key Features of These PVC Heat Shrink Tubing Rolls

🎨8-Color Selection — Blue, Silver Gray, White, Red, Green, Transparent, Yellow, and Black let you color-code wire harnesses and RC battery sleeving for instant visual identification in complex builds.
📐Two Flat Width Options — The 7mm (Φ4mm recovered) suits individual wires and small connectors; the 31mm (Φ20mm recovered) covers standard RC battery pack bundles and thicker cable groups.
🔁2:1 Shrink Ratio — Consistent radial shrinkage creates a snug, uniform sleeve that conforms to irregular shapes without bunching or leaving gaps along the length.
⚡Electrical Insulation — PVC construction provides dielectric insulation to protect solder joints, bare conductors, and terminal connections from accidental shorts and abrasion.
✂️Cut-to-Length Flexibility — Supplied in 1M and 10M rolls so you cut exactly what you need; no waste on small repairs, and enough material for full workshop wiring projects or bulk RC battery builds.
🌡️Low Activation Temperature — Shrinks reliably at around 70–90°C (160–195°F) with a standard heat gun, making it accessible for beginners and experienced builders alike without specialized equipment.

📐 Technical Specifications — PVC Heat Shrink Tubing

Material	PVC (Polyvinyl Chloride)
Shrink Ratio	2:1 (typically)
Flat Width — Small	7mm (≈9/32")
Recovered Inner Diameter — Small	Φ4mm (≈5/32")
Flat Width — Large	31mm (≈1-7/32")
Recovered Inner Diameter — Large	Φ20mm (≈25/32")
Available Lengths	1 Meter (≈39.4") / 10 Meters (≈393.7")
Colors Available	Blue, Silver Gray, White, Red, Green, Transparent, Yellow, Black
Activation Temperature	Typically 70–90°C (160–195°F)
Recommended Tool	Heat gun (lighter suitable for small sections)
Typical Applications	RC battery pack sleeving, cable wire insulation, wire harness bundling
Waterproofing	Basic moisture resistance; not fully waterproof — see variant options for adhesive-lined alternatives
Wall Thickness (pre-shrink)	See variant options / Contact us to confirm

⚠️ Sizing Tip: Always measure the outer diameter of your wire or battery pack before ordering. The recovered (shrunk) inner diameter must be smaller than your object's OD for a secure fit. When in doubt, size up one step.

❓ Frequently Asked Questions

How do I choose the right flat width and shrink diameter for my application?

Measure the outer diameter of the object you need to cover before shrinking. Choose a flat width whose recovered (shrunk) inner diameter is slightly smaller than that measurement so the tubing grips firmly. For example, the 7mm flat width recovers to approximately Φ4mm, while the 31mm flat width recovers to approximately Φ20mm. When in doubt, size up — you can always apply more heat to tighten the fit.

What shrink ratio does this PVC heat shrink tubing use?

This tubing generally uses a 2:1 shrink ratio, meaning it shrinks to roughly half its original flat width when heat is applied. The 7mm flat width recovers to approximately Φ4mm, and the 31mm flat width recovers to approximately Φ20mm. Actual recovery may vary slightly depending on heat application method and duration.

Can I use this heat shrink tubing outdoors or in wet environments?

PVC heat shrink tubing provides basic moisture resistance once fully shrunk, making it suitable for light indoor and sheltered outdoor use. For prolonged outdoor exposure, direct water immersion, or marine environments, an adhesive-lined dual-wall heat shrink tubing is generally recommended for a waterproof seal. This product is not rated for full submersion.

What temperature is needed to shrink this tubing, and what tools can I use?

PVC heat shrink tubing typically activates at around 70–90°C (160–195°F). A heat gun is the most reliable tool for even, controlled shrinkage. A lighter or match can work in a pinch for small sections, but keep the flame moving to avoid scorching. Avoid using a standard hair dryer — it typically does not reach sufficient temperature for consistent results.

Is this tubing compatible with LiPo and NiMH RC battery packs?

Yes. This PVC heat shrink sleeving is commonly used to wrap and protect LiPo, NiMH, and NiCd RC battery packs. The 31mm flat width (Φ20mm recovered) is well-suited for standard RC battery pack bundles. Always confirm the recovered diameter fits snugly around your specific pack dimensions before applying heat.

Do the colors affect electrical performance or insulation rating?

No — the color is purely for identification and organization purposes. All color variants share the same PVC material and insulation properties. Color-coding is especially useful in multi-wire harnesses, RC battery builds, and DIY electronics projects where quick visual identification reduces wiring errors.

How much length do I need for my project?

The 1-meter roll is ideal for small repairs, single battery wraps, or prototyping. The 10-meter roll offers better value for workshop use, bulk wiring projects, or anyone who regularly works on RC builds and cable management. In most cases, a single RC battery pack wrap requires approximately 150–250mm of tubing, though this varies by pack size.

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

PVC Heat Shrink Tubing for RC Battery & Cable Wire — 7mm to 31mm, Multiple Colors

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PVC Heat Shrink Tubing for RC Battery Packs & Cable Wire — Reliable Insulation in 8 Colors

✅ Key Features of These PVC Heat Shrink Tubing Rolls

📐 Technical Specifications — PVC Heat Shrink Tubing

❓ Frequently Asked Questions

PVC Heat Shrink Tubing for RC Battery & Cable Wire — 7mm to 31mm, Multiple Colors

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