Ordering Info
Electrical Supplies > Heat Shrink > High Flow Adhesive Heat Shrink Tubing
High Flow Adhesive Heat Shrink Tubing
Join Multiple Wires with an Impenetrable and Waterproof Seal
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What's special about this heat shrink tubing ?
This high flowing adhesive heat shrink tubing is ideal for joining multiple wires or cables. The very active hot melt adhesive flows between wires and cables to create a weatherproof seal that is highly puncture resistant and provides a superior strain relief.  |
- Shrinks 4:1 ratio so it can be used on multiple cables and provide a tight seal
- Color coded dashes on clear tubing for easy identification
- Strong adhesive and polyolefin tubing combined create a puncture resistant
- Operating temperature from -55°C to 110°C (67°F to 230°F)
- Ideal for use on:
- Joining multiple wires
- Identifying wire gauge
- Color coding wires or wire combinations
- Waterproofing permanent connections
- Creating sealed splices
Ordering Size |
Minimum Expanded I.D. |
Maximum Recovered I.D. |
Nominal Recovered ? Wall |
Minimum Recovered Outer Wall |
Color Code |
.220 |
.220" |
.045" |
.030" |
.027" |
Yellow |
.300 |
.300" |
.060" |
.033" |
.028" |
White |
.350 |
.300" |
.080" |
.038" |
.033" |
Green |
.450 |
.450" |
.105" |
.043" |
.053" |
Red |
| Physical | |
| Tensile Strength | 2450 PSI |
| Ultimate Elongation | 475% |
| 2% Secant Modulus | 16,500 PSI |
| Longitudinal Change | +0%, -10% |
| Specific Gravity (Outer Wall) | 0.97 |
| Heat Aging | 135°C (Adhesive softens) |
| Thermal Cycle | 5°C to 135°C |
| Vibration | 24 hours |
| Cold Flex | -30°C |
| Electrical | |
| Dielectric Strength (Outer Wall) | 500 V/mil |
| Dielectric Withstand | 1000 volts AC |
| Current Leakage | < 0.250 microamps |
| Chemical | |
| Auto Fluid Compatibility | 8 fluids |
| PART # | DESCRIPTION | LENGTH | DIAMETER | WEIGHT | COLOR | PRICE |
| NSPA-HST540C-48 | High Adhesive Flow Shrink Tubing | 48" | 0.220" | 0.06 lbs | Clear w/ White Dashes | $4.60 |
| NSPA-HST541C-48 | High Adhesive Flow Shrink Tubing | 48" | 0.300" | 0.07 lbs | Clear w/ Red Dashes | $5.06 |
| NSPA-HST542C-48 | High Adhesive Flow Shrink Tubing | 48" | 0.350" | 0.08 lbs | Clear w/ Blue Dashes | $5.75 |
| NSPA-HST543C-48 | High Adhesive Flow Shrink Tubing | 48" | 0.450" | 0.09 lbs | Clear w/ Yellow Dashes | $6.32 |
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 |
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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.
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PDF Catalog 2 MB
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
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