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3:1 Heat Shrink Tubing
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3:1 heat shrink tubing is ideal for applications such as wire harnesses, where you need the material to have a large enough diameter to get over bulky connectors, yet you still need it to shrink down to a smaller size. 3:1 Polyolefin heat shrink will shrink down to one third of its nominal diameter, and less than 10% of its length. The diameter of heat shrink tubing is measured as a round tube, not flat.   |
Minimum Shrink Temperature – 120 degrees Celsius
| PHYSICAL PROPERTY | TEST METHOD | TYPICAL VALUE |
|---|---|---|
| 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, White, Red, Yellow, Blue |
| VW-1 (Jacket only for dual wall) | E48762 |
| UL Catalog No. | 826 Suffix 3X |
- 3:1 heat shrink is RoHS compliant
- Available in diameters from 1/8" to 1 ½" with a color choice of black, white or clear
| Size | Part Number | Size (Post-shrink) | Colors | Buy by the foot | Buy By the Spool & Save Money!! | ||||
|---|---|---|---|---|---|---|---|---|---|
| Price | Quantity | Price | Quantity | Price | |||||
| 1/8” | HS3-0125-500 | 0.039” | Clear, Black, White | n/a | 500’ | $124.75  |
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| 3/16” | HS3-0188-500 | 0.059” | Clear, Black, White | n/a | 500’ | $185.00 |
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| 1/4” | HS3-025-250 | 0.078” | Clear, Black, White | $1.15 |
50' | $47.50 |
250’ | $99.99 |
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| 3/8” | HS3-0375-200 | 0.125” | Clear, Black, White | $1.25 |
50' | $50.00 |
200’ | $99.99 |
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| 1/2” | HS3-050-200 | 0.167” | Clear, Black, White | $1.45 |
50' | $57.50 |
200’ | $116.75 |
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| 3/4” | HS3-075-200 | 0.250” | Clear, Black, White | $1.60 |
50' | $62.50 |
200’ | $150.99 |
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| 1” | HS3-100-100 | 0.375” | Clear, Black, White | $2.75 |
50' | $110.00 |
100’ | $110.75 |
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| 1-1/2” | HS3-150-100 | 0.500” | Clear, Black, White | $4.10 |
50' | $162.50 |
100’ | $220.99 |
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