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6:1 High Ratio Heat Shrink Tubing
Shrink Tubing for Any Size Application
) ) Tube before and after shinking |
What's special about this 6:1 Heat Shrink Tubing?
This 6:1 ratio heat shrink tubing is ideal for creating weatherproof seals for large cable bundles. This tubing conforms to UL94V-0 Standards for flammability and is Military specified for adhesive lined heat shrink tubing under, MIL-DTL-23053/15, Class 1. This tubing shrinks down to 1/6th of its size to accommodate large cable assemblies and adapters.   |
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- Available in black only to provide UV resistance
- 7 sizes available to meet all heat shrinking needs including
- Sealing multiple wires
- Splicing or joining wire
- Providing strain relief on cables
- Cables and connectors that are extremely different in size and shape
- Adhesive and strong polyolefin tubing combine to create a puncture resistant seal
- Operating temperature from -55°C to 110°C (67°F to 230°F) to withstand harsh environments
- Tensile strength of 2100 PSI for strain relief
| MIL SPECS | UL | CSA | MATERIAL | RECOVER TEMP. | CONTINUOUS OPER. TEMP. | FLAMMABILITY |
| MIL-DTL-23053/15, Class 1 | – | – | Polyolefin | 120°C (248°F) |
-55°C to 110°C (67°F to 230°F) |
Flame Retardant Meets UL-94, V-0 Flame Rating |
View Measurement Conversion Chart
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| ORDER REF. NO. METRIC / IMPERIAL |
EXPANDED | RECOVERED | LENGTHS | ||
| INTERNAL DIAMETER (MIN) D (mm/in) |
INTERNAL DIAMETER (MAX) d (mm/in) |
WALL THICKNESS (MIN) W (mm/in) |
METRIC | IMPERIAL | |
| 0190 / 0750 | 19.0 / 0.750 | 3.2 / 0.125 | 3.2 / 0.123 | 121cm | 48" |
| 0330 / 1300 | 33.0 / 1.300 | 5.5 / 0.220 | 3.4 / 0.135 | 121cm | 48" |
| 0444 / 1750 | 44.4 / 1.750 | 7.4 / 0.290 | 3.6 / 0.140 | 121cm | 48" |
| 0508 / 2000 | 50.8 / 2.000 | 8.3 / 0.330 | 4.3 / 0.170 | 121cm | 48" |
| 0698 / 2750 | 69.8 / 2.750 | 11.7 / 0.460 | 4.8 / 0.190 | 121cm | 48" |
| 0889 / 3500 | 88.9 / 3.500 | 17.1 / 0.673 | 4.3 / 0.170 | 121cm | 48" |
| 1194 / 4700 | 119.4 / 4.700 | 22.9 / 0.900 | 4.8 / 0.190 | 121cm | 48" |
| PROPERTY | TEST METHOD | TYPICAL PERFORMANCE |
Physical |
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ASTM D412, ISO 037 |
2100 psi (14.5 MPa) |
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ASTM D412, ISO 037 |
600% |
|
Elongation after Heat Aging (168 hrs at 150°C) |
400% |
|
Heat Shock (4 hrs at 225°C) |
ASTM D2671 |
No cracking or flowing |
Longitudinal Change |
ASTM D2671 |
+1%, -10% |
Low Temperature Flexibility (4 hrs at -55°C) |
ASTM D2671 |
No cracking |
Specific Gravity |
1.10 |
|
Hardness (Shore D) |
500 |
|
Electrical |
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ASTM D149, IEC 243 |
500 V/MI (20 KV/mm) |
|
Dielectric Voltage Withstand (2500 V, 60 Hz, 1 min) |
No breakdown |
|
Volume Resistivity |
1016 ohm-cm |
|
Chemical |
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Fluid Resistance |
MIL-DTL-23053 |
Good to excellent |
Fungus Resistance |
No growth |
|
Copper Corrosion |
ASTM D2671 |
No corrosion |
Water Absorption |
0.1% |
|
Adhesive |
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Adhesive Lap Sheer (1 in/min at 23°C) |
125 ps (.875 Mpa) |
|
Adhesive Softening Point |
92°C/-5°C |
|
Adhesive Peel Strength (300 in/min at 23°C) • to steel, aluminum, P. E. • PVC |
35 pli 20 pli |
|
Adhesive Blocking (30°C) |
No blocking |
|
Water Penetration |
No penetration after 236 hrs of continuous immersion |
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6:1 High Ratio Heat Shrink Tubing Adhesive-Lined
| PART # | PRE-SHRINK ID | RECOVERED ID | CUT LENGTH | COLOR | WEIGHT | PRICE |
| NSPA-HST680B-48 | 0.750" | 0.125" | 48" | Black | 0.05 lb | $21.23 |
| NSPA-HST681B-48 | 1.300" | 0.220" | 48" | Black | 0.07 lb | $39.93 |
| NSPA-HST682B-48 | 1.750" | 0.290" | 48" | Black | 0.08 lb | $51.44 |
| NSPA-HST683B-48 | 2.000" | 0.330" | 48" | Black | 0.09 lb | $59.74 |
| NSPA-HST684B-48 | 2.750" | 0.460" | 48" | Black | 0.1 lb | $113.77 |
| NSPA-HST685B-48 | 3.500" | 0.673" | 48" | Black | 0.11lb | $210.84 |
| NSPA-HST686B-48 | 4.700" | 0.900" | 48" | Black | 0.125 lb | $308.85 |
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Limiting Oxygen Index (LOI)
The ratio of how much oxygen - as compared to other gases - needs to be present in the air surrounding a particular material in order for that material to burn. The fact that Earth's normal atmospheric air contains around 21% oxygen is used a reference point when materials are classified into burn categories that are based on Limiting Oxygen Index. Substances that are combustible in air containing less than 21% oxygen are considered flammable, while those that burn in the range of anything greater than 21% but less than 28% are typically labeled "slow burning". Any material with an LOI that exceeds 28% is classified as self-extinguishing.
In the table below, you'll find a list of polymers commonly found in our heat shrink tubing and braided sleeving products, along with their LOIs and the burn categories each falls into.
| MATERIAL | ALTERNATE NAME | LOI | CATEGORY |
ECTFE (Ethylene chlorotrifluoroethylene) |
Halar |
64% |
Self Extinguishing |
Nomex |
N/A |
28% |
Slow Burning |
Nylon 6:6 |
N/A |
Ranges fron 24-29% |
Slow Burning to Self Extinguishing |
PET (Polyethylene Terephthalate) |
Mylar (film), Dacron (fiber) |
Ranges from 21-34% |
Slow Burning to Self Extinguishing |
Polyethylene (PE) |
N/A |
17% |
Flammable |
Polypropylene (PP) |
polythene (in the UK) |
17% |
Flammable |
Polytetrafluoroethylene (PTFE) |
Teflon |
95% |
Self Extinguishing |
Polyvinyl Chloride (PVC) |
N/A |
Ranges from 45-49% |
Self Extinguishing |
ARTICLES - A place to find educational articles covering a wide range of topics, all categorized according to your areas of interest. Learn more
- Instructions on how to use Heat Shrink Tubing. Click here
- Terminate the ends of your Braided Sleeving? Click here
- How do we measure Heat Shrink? View here
- Heat Shrink Tubing: How It Was Invented, and Why We Use It
- The Handyman's Guide to Improvisation: 7 New Ways to Use Heat Shrink Tubing
CATALOG - PDF
For your convenience, we have made our brochure and catalogs available online in PDF format. Downloading the PDF catalog will take you no more than 5 minutes, so you won't have to wait days for the print catalog. PDF catalogs include links to our products: just click on the hyperlinked product headings, and you'll be directed right to our website.
Automotive 
PDF Catalog 2.6 MB
Aerospace/Aircraft PDF Catalog 2 MB
Utilities & Energy PDF Catalog 3.7 MB
Datacom/Telecom PDF Catalog 5.7 MB
 Heat Shrink Tools/ Heat GunsFrom $29.99 We offer a range of options to shrink your tubing, from small torches to ovens. |
 Adhesive Heat Shrinkable TapeFrom $13.99 Heat shrink tape is an environmentally friendly heat melted adhesive lined polyolefin tape. This tape is primarily used for repair of electrical cabling and insulation, but has many other uses. |
 Wire Loom From $5.99 Protects cables from abrasion, puncture, vibration, heat, sunlight, water, snow, ice, salt, automotive fluids, and friction. Takes mess of cables and wraps them into a neat and stylish bundle. Available in a variety of colors to match any décor. 11 sizes available to suit any application. |
 Braided Sleeving |
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