HDPE vs. PPO

Both HDPE and PPO are thermoplastics. There are 9 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is HDPE and the bottom bar is PPO.

High Density Polyethylene (HDPE)Polyphenylene Oxide (PPO)

Metric UnitsUS Customary Units

Material Properties

Density, g/cm³		1.0 to 1.3
Density, g/cm³		1.1 to 1.4

Elongation at Break, %		2.5 to 100
Elongation at Break, %		3.5 to 28

Flexural Modulus, GPa		4.0 to 7.5
Flexural Modulus, GPa		2.5 to 8.6

Impact Strength: Notched Izod, J/m		50 to 260
Impact Strength: Notched Izod, J/m		80 to 270

Maximum Temperature: Mechanical, °C		90
Maximum Temperature: Mechanical, °C		100 to 110

Specific Heat Capacity, J/kg-K		1330 to 2400
Specific Heat Capacity, J/kg-K		1020 to 1250

Strength to Weight: Axial, points		6.9 to 17
Strength to Weight: Axial, points		16 to 27

Strength to Weight: Bending, points		19 to 32
Strength to Weight: Bending, points		33 to 42

Tensile Strength: Ultimate (UTS), MPa		24 to 80
Tensile Strength: Ultimate (UTS), MPa		63 to 140

HDPE vs. PPO

Material Properties

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