Quick Summary
This sourcing map heat shrink tubing is a black cable sleeve for electrical insulation, wire protection, cable bundling and related cable finishing tasks. It is listed as 13mm before shrinking, with a 21mm flat width, a 20m length and a 2:1 shrink rate. The tubing is also described as suitable for corrosion resistance and high temperature resistance.
Who It Is Best For
This is a practical choice for anyone who needs a long roll of heat shrink tubing for wiring, cable management or marking tasks. It suits buyers looking for a general purpose sleeve for insulation, bundling and neat cable presentation.
What To Know Before You Buy
Check the selected size carefully before ordering, especially if you are matching it to a specific cable or wire bundle. The listed measurements are given before shrinking, so the finished fit will be smaller after heat is applied.
Pros: Long 20m length and a broad set of stated cable uses make it useful for general wiring jobs.
Cons: You should confirm the 13mm size and 2:1 shrink ratio suit your cable before buying.
Common Buyer Questions
What is this product used for?
It is used for electrical insulation, wire protection, cable bonding, colour coding, wire marking and wire bundling.
What size is it before shrinking?
It is listed as 13mm diameter before shrinking, with a 21mm flat width.
How long is the roll?
The length is listed as approximately 20m.
What shrink ratio does it have?
It has a 2:1 shrink rate.
What temperature range is listed?
The tubing is listed with an operating temperature of minus 55 to 125 degrees Celsius, with minimum shrinkage at 70 degrees Celsius and full shrinkage at 125 degrees Celsius maximum.
Key Details
| Detail | What it means in use |
|---|---|
| Brand | sourcing map |
| Product type | Heat shrink tubing |
| Diameter before shrinking | 13mm |
| Flat width | 21mm |
| Length | Approximately 20m |
| Shrink rate | 2:1 |
| Colour | Black |
| Operating temperature | Minus 55 to 125 degrees Celsius |
| Minimum shrinkage temperature | 70 degrees Celsius |
| Full shrinkage temperature | 125 degrees Celsius maximum |
| Listed uses | Electrical insulation, wire protection, cable bonding, data cable decoration, colour coding, wire marking and wire bundling |
Final Buying View
If you need black heat shrink tubing in a 20m roll with a 2:1 shrink ratio, this is a straightforward option for wiring and cable management jobs. The key thing is to check the size against your cable before ordering so you get the fit you need.
Choose it if the listed measurements and uses match your project, and you will have a simple cable sleeve ready for general electrical work.
