4:1 Adhesive Lined Heat Shrink Tubing
Professional-Grade Polyolefin Tube
What's special about this 4:1 Heat Shrink Tubing?
- Shrinks down to 25% of its original diameter; also shrinks 14% or less in its axial direction (lengthwise).
- Dual Wall tubing creates a watertight seal to protect wire, cable and connector components.
- Sold by the foot, so you don't have to purchase more than you need.
- Available in Black
- Click for More Features
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| 4:1 Adhesive Lined Heat Shrink Tube | ||||
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| Color | Part # | Description | Price | |
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W4A0.19 | 4:1 Adhesive Lined Heat Shrink Tube, 3/16", 4Ft | ||
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W4A0.31 | 4:1 Adhesive Lined Heat Shrink Tube, 5/16", 4ft | ||
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W4A0.50 | 4:1 Adhesive Lined Heat Shrink Tube, 1/2", 4Ft | ||
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W4A0.75 | 4:1 Adhesive Lined Heat Shrink Tube, 3/4", 4Ft | ||
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W4A1.00 | 4:1 Adhesive Lined Heat Shrink Tube, 1", 4Ft | ||
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W4A1.25 | 4:1 Adhesive Lined Heat Shrink Tube, 1 1/4", 4Ft | ||
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W4A2.00 | 4:1 Adhesive Lined Heat Shrink Tube, 2", 4Ft | ||
4 foot sections are the maximum continuous length on Dual Wall and Specialty Tubing
Click here for 4:1 Adhesive Lined Tubing (Dual Wall) specifications
Our 4:1 over-expanded polyolefin heat shrink tubing is flexible, flame-retardant and used for specialty applications that include cable jacket retrofitting and repair, as well as the electrical insulation of wire assemblies with oversized components or connectors. The over-expanded product fits easily over the end of a connector, and shrinks down to 25% of its original diameter to fit snugly over both the connector and any narrower attached wires. Available in Black, and sold by the foot.
Adhesive-Lined Heat Shrink
The adhesive version of our 4:1 heat shrink features “dual-wall” design, which is made up of an outer polyolefin (heat shrink) tube lined with an interior coating of heat-activated adhesive. During application, as the outer tubing shrinks, the inner layer melts, flows, and then resets when cooled, helping the tubing to achieve a snug, moisture-resistant fit around wire harnesses, cables and connectors. We recommend it for applications that require strain relief and watertight seals.
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PROPRIETARY
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TEST METHOD
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TYPICAL VALUE
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| Physical | ||
|---|---|---|
| Tensile Strength (psi) | ASTM D 638 | 1500 min. |
| Elongation (%) | ASTM D 638 | 200 min. |
| Specific Gravity | ASTM D 792 | 1.35 max. |
| Low Temperature Flexibility -55°C | MIL-DTL-23053 | no cracking |
| Heat Shock 4 hours at 250°C | MIL-DTL-23053 | no cracking |
| Heat Resistance (175°C, 168 hrs.) Elongation (%) |
ASTM D638 | 100 min. |
| Secant Modulus (psi) | ASTM D 882 | 2.5 x 10,000 max. |
| Longitudinal Change (%) | MIL-DTL-23053 | ±5 |
| Electrical | ||
| Dielectric Strength | ASTM D 876 | 500 min. |
| Volume Resistivity | ASTM D 876 | 1.0 x 10,000 min. |
| Chemical | ||
| Corrosion (175°C, 16hrs) | MIL-DTL-23053 | no corrosion |
| Water Absorption (%) | ASTM D 570 | 0.5 max. |
| Fluid Resistance (23°C, 24 hrs.) Tensile Strength (psi) |
MIL-I-23053 | 1000 min. |
| Flammability | UL 224 VW-1 |
pass |
| Shrink Temperature, Nominal | -- | 90°C |
| Application (Typical) | General Purpose Over Expanded |
|---|---|
| Recovery Temperature | 90°C |
| Flame Retardant | YES |
| Continuous Operating Temperature | -55 to 135°C |
| Flexibility | Excellent |
| Abrasion Resistance | Good |
| Solvent Resistance | Good |
| Standard Colors | Black |
| UL Rating & File No. (Subject 224) | 125°C, 600V VW-1 (Jacket only for dual wall) E48762 |
| UL Catalog No. | 826 Suffix 3X |
Specification Reference:
MIL-I-23053/5 Class 1 and Class 3. MIL-R-46846, Type V
UL 224 125°C, 600 V, VW-1 File E48762 YDPU2
LG heat shrinkable and non-shrinkable tubing products do not contain the compound Di (2-ethylhexyl) phthalate commonly referred to as DEHP.
In addition, LG heat shrinkable and non-shrinkable tubing products do not contain PFOS (perfluoroctane sulfonate), PFOA (perfluorocanoic acid) or Tinuvin 320.
4:1 Adhesive Heat Shrink Tubing
Minimum Shrink Temperature: 90°C
Product Dimensions
| SIZE | EXPANDED | RECOVERED | ||||||
| MINIMUM ID | MAXIMUM ID | MINIMUM TOTAL WALL THICKNESS (TOTAL WALL) |
MINIMUM WALL THICKNESS (ADHESIVE WALL) |
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| 3/16" | 0.1575" | 4mm | 0.039" | 1.0mm | 0.0354" | 0.90mm | 0.0197" | 0.50mm |
| 5/16" | 0.3150" | 8mm | 0.079" | 2.0mm | 0.0354" | 0.90mm | 0.0197" | 0.50mm |
| 1/2" | 0.4724" | 12mm | 0.118" | 3.0mm | 0.0512" | 1.30mm | 0.0236" | 0.60mm |
| 3/4" | 0.6300" | 16mm | 0.157" | 4.0mm | 0.0630" | 1.60mm | 0.0300" | 0.76mm |
| 1" | 0.9449" | 24mm | 0.236" | 6.0mm | 0.0827" | 2.10mm | 0.0311" | 0.79mm |
| 1-1/4" | 1.2598" | 32mm | 0.315" | 8.0mm | 0.0906" | 2.30mm | 0.0409" | 0.90mm |
| 2" | 2.0472" | 52mm | 0.5118" | 13.0mm | 0.0984" | 2.50mm | 0.0409" | 0.90mm |
| 3" | 2.9921" | 76mm | 0.7480" | 19.0mm | 0.0984" | 2.50mm | - | - |
| 4" | 4.0157" | 102mm | 1.3385" | 34.0mm | 0.1062" | 2.70mm | - | - |
*Metric sizes available for special orders.
Related Articles
How-To Corner
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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