PVC Heat Shrink Tubing Blue Wrap Sleeve — Battery & Wire Insulation, 7mm to 300mm - HomeDIYer

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PVC Heat Shrink Tubing Blue Wrap Sleeve — Battery & Wire Insulation, 7mm to 300mm

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Flat width (approx.): 7mm

Length: 1 Meter

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$5.97 USD

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PVC Heat Shrink Tubing Blue Wrap Sleeve — Reliable Insulation for Battery Packs & Wire Bundles

If you've ever had a bare battery cell short against a neighboring cell, or watched a wire bundle unravel mid-project, you know how quickly a small oversight becomes a costly problem. This blue PVC heat shrink tubing is designed for hobbyists, EV builders, electronics repair technicians, and DIYers who need a clean, dependable insulation wrap that goes on fast and stays put.

Each order is cut from a continuous roll of blue PVC heat shrink tubing with a flat width ranging from 7mm (≈9/32") to 300mm (≈11.8"), available in lengths of 1, 2, 5, 10, or 20 meters. The tubing features a typical 2:1 shrink ratio and activates at approximately 90–120°C (194–248°F) with a standard heat gun. It is sold as a single continuous length per variant — no splices, no joints.

Common applications include wrapping 18650 and 21700 lithium-ion cells for DIY battery packs, color-coding and bundling automotive wiring harnesses, insulating bus bars and terminal connections in low-voltage electrical panels, and protecting copper pipe joints and cable assemblies in workshop environments.

🔵 Compatibility: Suitable for cylindrical battery cells (18650, 21700, 26650, and similar), wire bundles, copper tubing, and terminal connections. Flat width 7mm–300mm covers the majority of DIY battery and wiring applications. Verify your object diameter before selecting a size — see the FAQ below for sizing guidance.

✅ Key Features of These Blue PVC Heat Shrink Tubing Sleeves

⚡Electrical Insulation — Provides a protective dielectric barrier around battery cells, wire splices, and terminal connections, reducing the risk of short circuits in low-voltage DIY battery packs.
📏Wide Size Range — Flat widths from 7mm (≈9/32") to 300mm (≈11.8") in a single product line, covering everything from individual 18650 cells to large-format battery modules and cable bundles.
🔥Low Activation Temperature — Shrinks at approximately 90–120°C (194–248°F), compatible with standard heat guns; no open flame required, reducing the risk of scorching adjacent components.
✂️Cut-to-Length Flexibility — Sold in 1m, 2m, 5m, 10m, and 20m continuous lengths so you can order exactly what your project requires without leftover waste or mid-run shortages.
🎨Consistent Blue Color Coding — The uniform blue finish makes it easy to color-code battery packs, wiring harnesses, and cable assemblies for quick visual identification during assembly and maintenance.
🛡️Abrasion & Moisture Resistance — The PVC jacket resists light abrasion and incidental moisture, helping protect wire bundles and battery wraps in workshop, automotive, and light-duty outdoor environments.

📐 Technical Specifications — PVC Heat Shrink Tubing

Material	PVC (Polyvinyl Chloride)
Color	Blue
Flat Width Range	7mm (≈9/32") – 300mm (≈11.8")
Available Lengths	1m (≈3.3 ft), 2m (≈6.6 ft), 5m (≈16.4 ft), 10m (≈32.8 ft), 20m (≈65.6 ft)
Shrink Ratio	Typically 2:1
Shrink Temperature	Typically 90–120°C (194–248°F)
Voltage Rating	Typically up to 600V AC (low-voltage applications)
Wall Thickness (recovered)	See variant options
Recommended Application Tool	Heat gun (low-to-medium setting)
Typical Use Cases	Battery cell wrapping, wire bundling, terminal insulation, cable identification
Supply Format	Continuous length, no splices
Country of Origin	Contact us to confirm

⚠️ Sizing Note: PVC heat shrink tubing does not shrink as aggressively as polyolefin. Measure your object's diameter, multiply by ~1.57 to estimate the minimum flat width, then select the next size up for a reliable fit. If you are unsure, contact us before ordering.

❓ Frequently Asked Questions

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

Measure the diameter of your battery or wire bundle, then multiply by approximately 1.57 to get the minimum flat width needed. For example, a 18650 cell is typically 18mm in diameter, so a flat width of around 29–31mm generally works well. When in doubt, size up — PVC heat shrink tubing does not shrink as aggressively as polyolefin, so a snug fit before heating is important.

Quick reference: 18650 cell → 29.5mm flat width | 21700 cell → 31mm flat width | 26650 cell → 36mm flat width

What shrink ratio does this PVC tubing have?

This PVC heat shrink tubing typically has a 2:1 shrink ratio, meaning it shrinks to roughly half its expanded diameter when heat is applied. The exact ratio can vary slightly by size. If you need precise tolerances for a production application, contact us to confirm before ordering.

Can this tubing be used outdoors or in wet environments?

PVC heat shrink tubing generally provides good moisture resistance for indoor and light-duty outdoor use. For prolonged outdoor exposure, UV-heavy environments, or submersion, a dual-wall adhesive-lined polyolefin tubing is generally a better choice. This product is best suited for battery insulation, wire bundling, and workshop applications where incidental moisture is the main concern.

What temperature is needed to shrink this tubing, and what tool should I use?

PVC heat shrink tubing typically activates at around 90–120°C (194–248°F). A heat gun on a low-to-medium setting works well. Keep the heat gun moving continuously around the circumference to avoid hot spots. Avoid open flames — they can scorch or melt the material unevenly and may damage the underlying component.

Is this tubing compatible with lithium-ion battery packs and 18650 cells?

Yes. Blue PVC heat shrink tubing is widely used for wrapping 18650, 21700, 26650, and other cylindrical lithium-ion cells, as well as assembled battery packs. It provides electrical insulation and a clean, color-coded finish. Always verify the flat width matches your cell diameter before ordering — see the sizing FAQ above for guidance.

How much length do I need for my project?

For wrapping individual cells, 1–2 meters is generally sufficient for small batches of 10–20 cells. For production runs, large battery packs, or wiring harness projects, the 10m or 20m rolls offer better per-meter value. The tubing can be cut to any length with scissors or a utility knife — no special tools required.

What is the voltage rating of this PVC heat shrink tubing?

PVC heat shrink tubing in this category is typically rated for low-voltage applications, generally up to 600V AC. For high-voltage industrial wiring or applications requiring UL/CSA certification, consult the specific product datasheet or contact us to confirm suitability before ordering.

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

PVC Heat Shrink Tubing Blue Wrap Sleeve — Battery & Wire Insulation, 7mm to 300mm

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Beschreibung

PVC Heat Shrink Tubing Blue Wrap Sleeve — Reliable Insulation for Battery Packs & Wire Bundles

✅ Key Features of These Blue PVC Heat Shrink Tubing Sleeves

📐 Technical Specifications — PVC Heat Shrink Tubing

❓ Frequently Asked Questions

PVC Heat Shrink Tubing Blue Wrap Sleeve — Battery & Wire Insulation, 7mm to 300mm

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