
Product categories
12 mm 4:1 Adhesive-Lined Heat Shrink Tubing
Choose the tubing configuration first. Quantity counts packs of the selected length or complete kit.

12 mm 4:1 Adhesive-Lined Heat Shrink Tubing
Dual-wall adhesive-lined heat shrink tubing. Each sales unit contains the selected length of black tubing. Series photos show typical tubing appearance and packaging; the selected diameter and length define supply.
Choose the actual interface and supplied configuration before selecting the number of complete lots per pack.
Model & specifications
| Model / supply code | 4-1-glue-hei-12mm-10m, 4-1-glue-hei-12mm-50m |
|---|---|
| Interface | Dual-wall adhesive-lined heat shrink tubing |
| Sales unit | One complete lot |
| Included components | One selected-length lot of black tubing; cables and equipment are not included. |
| Shrink ratio | 4:1, nominal supplier reference |
| Supply | One selected-length lot; length is not a packaging multiplier |
| Nominal tube ID | 12 mm |
| Length options | 10 m, 50 m |
| Color options | Black |
| Photo reference | Original supplier series appearance; selected nominalsize, color and length define supply. |
| Expanded inner diameter (reference) | 13.0 ±0.8 mm |
| Expanded wall thickness (reference) | 0.65 ±0.15 mm |
| Recovered inner diameter (reference) | ≤3.2 mm |
| Recovered total wall (reference) | 1.8 ±0.5 mm |
| Dimension basis | Original supplier same-nominal-size card; approximate series reference, not an individual measurement. |
| Colors | Black |
| Black / 10 m supply SKU | 4-1-glue-hei-12mm-10m |
| Black / 50 m supply SKU | 4-1-glue-hei-12mm-50m |
Cables, equipment and other accessories are not included.
Each single-color pack contains only the selected color or finish. The selected option defines the supplied color; reference diagrams show common series structure.


Select. Heat. Inspect.
Select tubing with an appropriate expanded size and recovered clearance for the actual cable or joint.
Fit the tubing before closing the joint, then use a suitable controlled hot-air tool to heat evenly. Follow the tool instructions.
Allow it to cool and inspect the fit. Cables, terminals and heating tools are not included.
Compare matching sizes
- 4 mm 4:1 Adhesive-Lined Heat Shrink Tubing
- 6 mm 4:1 Adhesive-Lined Heat Shrink Tubing
- 8 mm 4:1 Adhesive-Lined Heat Shrink Tubing
- 16 mm 4:1 Adhesive-Lined Heat Shrink Tubing
- 20 mm 4:1 Adhesive-Lined Heat Shrink Tubing
- 24 mm 4:1 Adhesive-Lined Heat Shrink Tubing
- 32 mm 4:1 Adhesive-Lined Heat Shrink Tubing
Choose your pack.
Pack choices: 1 / 2 / 5 complete lots. Quantity controls count packs.
Ships from China · Preparation 5–7 calendar days. Shipping details
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Find your matching configuration
4:1 Adhesive Heat Shrink Tubing
Compare nominal diameters and fixed kits, then select the required length and pack quantity.
Selected-length tubing (8)







