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PPS vs. HDPE

Both PPS and HDPE are thermoplastics. There are 9 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

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

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 1.3 to 1.7
1.0 to 1.3
Elongation at Break, % 2.5 to 11
2.5 to 100
Flexural Modulus, GPa 13 to 17
4.0 to 7.5
Impact Strength: Notched Izod, J/m 21 to 80
50 to 260
Specific Heat Capacity, J/kg-K 910 to 1000
1330 to 2400
Strength to Weight: Axial, points 16 to 37
6.9 to 17
Strength to Weight: Bending, points 30 to 52
19 to 32
Tensile Strength: Ultimate (UTS), MPa 75 to 190
24 to 80
Water Absorption At Saturation, % 0.060 to 0.1
0.1 to 0.3