PVC Heat Shrink Tubing for Battery Wrapping, Wire Insulation & Cable Sleeving
Whether you're rebuilding a battery pack, tidying up a wiring harness, or protecting bare conductors on a DIY electronics project, finding heat shrink tubing in exactly the right diameter is always the hard part. This PVC heat shrink tubing is available in an exceptionally wide range of sizes — from a compact 20mm flat width (Φ12.7mm inner diameter) all the way up to 600mm flat width (Φ382mm inner diameter) — so hobbyists, makers, and repair technicians can find the right fit without compromise.
Each listing is sold per 1-meter length and is available in three colors: Clear, Black, and Blue. The tubing is made from flexible PVC with a 2:1 shrink ratio, meaning it shrinks to approximately half its original inner diameter when heat is applied. Size options are labeled by flat width and inner diameter (Φ) for easy selection — for example, the 82mm option has a Φ52mm inner diameter, and the 157mm option has a Φ100mm inner diameter.
This versatile heat shrink sleeving is ideal for wrapping 18650 lithium battery cells and LiPo battery packs, bundling and color-coding wire harnesses in automotive and marine applications, and providing clean insulation on cable splices and terminal connections in home electrical and DIY repair projects.
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Size Compatibility Note: Select your size based on the inner diameter (Φ) listed in each variant — this is the open-round diameter before shrinking. Choose a Φ that is slightly larger than the object you're covering. After heat is applied, PVC tubing typically shrinks to ~50% of its original Φ.
✅ Key Features of These PVC Heat Shrink Tubing Sleeves
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📏Wide Size Range — Available from 20mm flat width (Φ12.7mm) up to 600mm flat width (Φ382mm), covering everything from individual wires to large battery pack assemblies.
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🔵Three Color Options — Choose Clear for a transparent finish that shows the underlying component, Black for a clean professional look, or Blue for easy color-coded wire identification in multi-circuit builds.
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🔥2:1 Shrink Ratio — Shrinks to approximately 50% of its original inner diameter with a heat gun set to low-to-medium heat (typically 70–90°C / 158–194°F), conforming snugly around irregular shapes.
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⚡Electrical Insulation — PVC material provides reliable dielectric insulation for battery cell wrapping, wire splices, and terminal protection in low-voltage DC applications.
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✂️Easy to Cut & Apply — Cuts cleanly with scissors or a utility knife; slides over components easily before shrinking, making it straightforward to use for heat shrink battery wrap and cable sleeving projects.
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🛡️Flexible & Abrasion-Resistant — Remains flexible after shrinking, resisting cracking and abrasion in bundled wire harness and cable management applications.
📐 Technical Specifications — PVC Heat Shrink Tubing
| Material |
PVC (Polyvinyl Chloride) |
| Shrink Ratio |
2:1 (shrinks to ~50% of original inner diameter) |
| Activation Temperature |
Typically 70–90°C (158–194°F) |
| Available Flat Widths |
20mm (Φ12.7mm) · 82mm (Φ52mm) · 157mm (Φ100mm) · 295mm (Φ185mm) · 300mm (Φ191mm) · 308mm (Φ196mm) · 320mm (Φ203mm) · 325mm (Φ207mm) · 350mm (Φ220mm) · 355mm (Φ226mm) · 378mm (Φ240mm) · 400mm (Φ255mm) · 415mm (Φ268mm) · 450mm (Φ286mm) · 555mm (Φ353mm) · 600mm (Φ382mm) |
| Length per Unit |
1 Meter (≈39.4") |
| Available Colors |
Clear · Black · Blue |
| Wall Thickness (after shrink) |
See variant options / Contact us to confirm |
| Voltage Rating |
See variant options / Contact us to confirm |
| Typical Applications |
Battery pack wrapping, wire insulation, cable bundling, terminal protection |
| Application Tool |
Heat gun (recommended); avoid open flame |
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Not sure which size to order? Compare the Φ (inner diameter) in the variant name against the outer diameter of your battery or cable. When in doubt, size up — you can always trim length, but you can't stretch tubing that's too small.
❓ Frequently Asked Questions
How do I choose the right width of heat shrink tubing?
Measure the outer diameter of the object you want to cover, then choose a tubing size whose inner diameter (Φ) is slightly larger — typically 10–20% larger. For example, to cover a 45mm battery pack, the 82mm width option (Φ52mm inner diameter) is generally a good fit. After shrinking, PVC tubing typically reduces to about 50% of its original diameter.
How much does this PVC heat shrink tubing shrink?
PVC heat shrink tubing generally has a 2:1 shrink ratio, meaning it shrinks to approximately 50% of its original inner diameter when heat is applied. Always verify the final fit against your specific application before committing to a large quantity.
What temperature is needed to shrink this tubing?
PVC heat shrink tubing typically activates at around 70–90°C (158–194°F). A heat gun set to low-to-medium heat works well. Avoid open flames, as they can scorch or unevenly shrink PVC material.
Can I use this tubing outdoors or in wet environments?
PVC heat shrink tubing provides basic moisture resistance and is suitable for light indoor and sheltered outdoor use. For prolonged outdoor exposure or submersion, a dual-wall adhesive-lined heat shrink tubing is generally recommended for a watertight seal.
Is this tubing safe for wrapping lithium battery packs?
Yes — PVC heat shrink tubing is widely used for wrapping 18650 cells, LiPo packs, and other battery assemblies. It provides electrical insulation and a clean finished appearance. Ensure the tubing inner diameter (Φ) is slightly larger than your battery pack's outer diameter before shrinking.
What is the difference between the Width and the Φ (inner diameter) listed in the size options?
The "Width" refers to the flat width of the tubing when laid flat (also called lay-flat width). The Φ value is the approximate inner diameter of the tubing in its open, round form — this is the measurement you should compare against the object you're covering. For example, the 82mm width option has a Φ52mm inner diameter.
Can I cut this tubing to a shorter length?
Absolutely. Each listing is sold per 1-meter length, and PVC heat shrink tubing cuts cleanly with scissors or a utility knife. Cut to your desired length before applying heat for the easiest results.
🛒 Select your width, color, and length above, then add to cart — ships from our US warehouse.
