# PVC heat shrink tube, 140mm, 1 meter, Blue

> PVC heat shrink tube, width 140mm (folded), length 1 meter, blue color. Circumference 280mm, suitable for insulating 18650 battery packs in 3S configuration. Shrinks at 100 degrees C, with a shrink rate of 48% horizontal and 12% vertical. Resistivity 1x10^15 Ω/cm3 (relative humidity below 65% at room temperature). Ref: 9474.

- Page: https://sigmanortec.ro/en/pvc-heat-shrink-tube-140mm-1-meter-blue
- Price: 28.42 RON
- Availability: In stock; 1-2 zile
- Reference: 9474 · EAN: 5946904175664
- Category: Electronic components > Connectors and Cables > Heat Shrink Tubing
- Updated: 2026-09-14
- Shop: [Sigmanortec.ro](https://sigmanortec.ro/en/llms.txt)
- Prices: RON, VAT included; prices and stock as of 2026-10-22 07:17 (Europe/Bucharest)

## Description

PVC heat shrink tubing for insulating and wrapping battery packs, ideal for 3S configurations with 18650 cells. Width 140 mm folded, circumference 280 mm, shrinks at 100 C for a uniform fit. Offers high electrical insulation and good resistance, blue finish for quick identification.
Heat-shrinkable PVC tube, 140mm, insulating, used for wrapping battery packs.
The size refers to the width of the folded tube (its circumference being double). To correctly calculate the size of the tube, measure the perimeter of the battery and choose a tube with a size larger than its circumference.
Specifications:
Material: PVC
Width: 140mm
Circumference: 280mm
18650 compatibility: 3S
Restriction rate: 48% horizontal, 12% vertical
Restriction temperature: 100 degrees C
Color: Blue
Resistivity: 1x1015Ω/cm3 (relative humidity less than 65% at room temperature)