This blue PVC heat shrink tubing is designed for insulating, protecting, and bundling custom lithium-ion battery packs or individual 18650 cells. It provides electrical insulation, physical defense against abrasion, and moisture protection.
Key Features
- Material: Flame-retardant, eco-friendly PVC material.
- Function: Electrical insulation, corrosion protection, dustproofing, and structural stability for multi-cell packs.
- Shrinkage Temperature: Begins shrinking at ~80°C, fully shrinks around 100°C–105°C.
- Shrink Ratio: ~48% radial shrinkage (2:1 ratio) with minimal longitudinal shrinkage (under 8%).
- Voltage Rating: 300V dielectric strength.
- Temperature Resistance: -40°C to +105°C continuous operating range.
- Unit: Sold per 1-meter linear length.
Applications
- Encapsulating multi-cell 18650 battery packs (e.g., 2S, 3S, 4S, or larger custom arrays).
- Replacing damaged insulation jackets on battery packs.
- Standard electrical insulation for custom electronic builds, busbars, and large wiring components.
How to Use
- Slide the tubing over the assembled battery pack, leaving a slight overlap on both ends (approx. 5–10 mm).
- Apply heat evenly using a heat gun set to 100°C–120°C, moving in continuous passes to avoid localized overheating.
- Allow the sleeve to fully conform and cool down before handling or installing into an enclosure.
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