HDPE vs. PSU

Both HDPE and PSU are thermoplastics. There are 9 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

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

High Density Polyethylene (HDPE)Polysulfone (PSU)

Metric UnitsUS Customary Units

Material Properties

Density, g/cm³		1.0 to 1.3
Density, g/cm³		1.2 to 1.6

Elongation at Break, %		2.5 to 100
Elongation at Break, %		2.0 to 52

Flexural Modulus, GPa		4.0 to 7.5
Flexural Modulus, GPa		2.7 to 14

Impact Strength: Notched Izod, J/m		50 to 260
Impact Strength: Notched Izod, J/m		59 to 100

Specific Heat Capacity, J/kg-K		1330 to 2400
Specific Heat Capacity, J/kg-K		910 to 1000

Strength to Weight: Axial, points		6.9 to 17
Strength to Weight: Axial, points		16 to 25

Strength to Weight: Bending, points		19 to 32
Strength to Weight: Bending, points		30 to 40

Tensile Strength: Ultimate (UTS), MPa		24 to 80
Tensile Strength: Ultimate (UTS), MPa		70 to 140

Water Absorption At Saturation, %		0.1 to 0.3
Water Absorption At Saturation, %		0.4 to 0.6

HDPE vs. PSU

Material Properties

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