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HDPE (High Density Polyethylene)
Typical Properties
| Physical Properties |
English |
|
|
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| Density |
0.0338 -
0.0348 lb/in³ |
0.948 g/cc |
| Apparent Bulk Density |
0.021 -
0.022 lb/in³ |
0.59 g/cc |
| Water Absorption |
0.01 % |
|
| Moisture Vapor
Transmission |
0.965 cc-mil/100
in²-24hr-atm |
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| Environmental Stress
Crack Resistance |
10 -
5000 hour |
1600 hr |
Mechanical Properties |
|
|
| Hardness, Shore D |
58 - 65 |
62 |
| Tensile Strength,
Ultimate |
3480 -
6530 psi |
30 MPa |
| Tensile Strength,
Yield |
2180 -
4350 psi |
21.9 MPa |
| Elongation at Break |
500 -
1000 % |
840% |
| Tensile Modulus |
116 -
144 ksi |
0.86 GPa |
| Flexural Modulus |
72.5 -
220 ksi |
0.928 GPa |
| Izod Impact, Notched |
1.5 -
14.1 ft-lb/in |
3.7 J/cm |
| Tensile Impact
Strength |
152 -
228 ft-lb/in² |
380 kJ/m² |
| Coefficient of
Friction |
0.28 |
|
Electrical Properties |
|
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| Electrical Resistivity |
1e+017 ohm-cm |
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| Surface Resistance |
1e+017 ohm |
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| Dielectric Constant |
2.3 |
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| Dissipation Factor |
0.0001 -
0.0005 |
0.0003 |
Thermal Properties |
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| CTE, linear 20°C |
77.8 µin/in-°F |
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| Melting Point |
255 -
268 °F |
130°C |
| Vicat Softening Point |
226 -
264 °F |
120°C |
| Brittleness
Temperature |
-148 -
-94 °F |
-86.2°C |
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