Finotube Wire Marking / Identification Tube
Finotube wire-marking/identification tube is a cross-linked polyolefin heat shrink tube used to identify and insulate wire, cable, terminals and other components, printable on both dot-matrix and thermal transfer printers.
- MIL-I-23053/5 Class 2 & 3
- UL 224 (File No. E328538), 125°C VW-1
- RoHS
Dimensional data
Technical Specifications
| Part number /size | Internal Dia.(mm) | Rec. Wall Thickness(mm) | Packing configurations | |
|---|---|---|---|---|
| Supplied | Recovered | Spools Mtr. / Spool | ||
| GSC 4.0/2.0 | 4.0 mm | 2.0 mm | 0.44 mm | 200 m |
| GSC 6.0/3.0 | 6.0 mm | 3.0 mm | 0.56 mm | 150 m |
| GSC 8.0 / 4.0 | 8.0 mm | 4.0 mm | 0.56 mm | 150 m |
| GSC 10.0 / 5.0 | 10.0 mm | 5.0 mm | 0.56 mm | 100 m |
| GSC 12.0/6.0 | 12.0 mm | 6.0 mm | 0.56 mm | 100 m |
| GSC 16.0/8.0 | 16.0 mm | 8.0 mm | 0.69 mm | 100 m |
| GSC 20.0/10.0 | 20.0 mm | 10.0 mm | 0.78 mm | 50 m |
| GSC 25.0 / 12.0 | 25.0 mm | 12.5 mm | 0.78 mm | 50 m |
| GSC 30.0 / 15.0 | 30.0 mm | 15.0 mm | 0.87 mm | 50 m |
| GSC 40.0/20.0 | 40.0 mm | 20.0 mm | 097 mm | 50 m |
Chart 2 of 2
| PROPERTIES | VALUE | STANDARD |
|---|---|---|
| Tensile Strength | 16 N/mm² (MPA)(min.) | ASTM D638 |
| Ultimate Elongation | 300% (Min.) | ASTM D638 |
| Water Absorption | 0.15% (max.) | ASTM D570 |
| Specific Gravity | 1.40 | ASTM 792 |
| longitudinal change | -10 % max | ASTM D638 |
| low temperature flexibility | -55° | ASTM D2671 |
| flammability | Pass | Ul224 VW1 |
| opereting temerature (-40 °C for 4 Hrs.) | -55 to +125 °C | IEC 216 |
| Heat Shock (250 °C for 4 Hrs.) | No dripping | |
| Cracking, or flowing | ||
| Fungus Resistance | Inert | Mil - 1- 7444 |
| Copper corrosion | Good | ASTM D2671B |
| chemical resistance | Good | ASTM D2671 |
| Volume Resistivity | >20 KV/mm. (mm) | ASTM D2671 |
| Dielectric Constant | 3.0 (max.) | ASTM D150 |
| Volume Resistivity | 1 × 10¹⁴ ohmm.cm (min) | ASTM D257 |
Finotube is a cross-linked polyolefin tube for identifying and insulating wire, cable, terminals and other components — for interior or exterior markers, printable on both dot-matrix and thermal-transfer printers, and printable on both sides for maximum data content and readability. After shrinking, the imprint is permanent and solvent-resistant.
Technical Qualification Report: QR 1031.
Covered on this page
- Thin Wall Tube - for Wire Marking
- Spcifications
Features & Benefits
- Offers strain relief to the connection
- Halogen free, flame retardant
- Shrink ratio 2:1
- Meets RoHS compliance
- Printable on both sides for maximum data content and readability
- Permanent, solvent-resistant imprint after shrinking
- Backwards compatible with most printers
- Removes the need to stock individual pre-printed characters
- Standard colours available on request
Applications
- Identification and insulation of wire, cable, terminals and other components
- Interior and exterior markers
Standards & Compliance
- MIL-I-23053/5 Class 2 & 3
- UL 224 (File No. E328538), 125°C VW-1
- RoHS
FAQs
Frequently Asked Questions
What is the Finotube Wire Marking / Identification Tube used for?
It is used for:
- Identification and insulation of wire, cable, terminals and other components
- Interior and exterior markers
Which standards and test methods are quoted for it?
These, with the values in the Technical Specification on this page:
- MIL-I-23053/5 Class 2 & 3
- UL 224 (File No. E328538), 125°C VW-1
Can I get a quote, a sample or a size that is not listed?
Send your cable details, quantity and application with the "Request a Quote or Sample" form at the foot of this page. For a size or variant that is not in the chart, describe what you need there, or use Technical support at the top of the page, and the technical team will confirm what can be supplied.

47+
Years manufacturing

100+
Countries served

140
Products in range

ISO 9001:2015
Certified & tested





