HDPE (High Density Polyethylene) Typical Properties

Physical Properties	English
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
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
Electrical Resistivity	1e+017 ohm-cm
Surface Resistance	1e+017 ohm
Dielectric Constant	2.3
Dissipation Factor	0.0001 - 0.0005	0.0003
Thermal Properties
CTE, linear 20°C	77.8 µin/in-°F
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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