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HDPE vs. PS

Both HDPE and PS are thermoplastics. There are 8 material properties with values for both materials. Properties with values for just one material (19, in this case) are not shown.

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

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 1.0 to 1.3
1.0
Elongation at Break, % 2.5 to 100
1.8 to 40
Impact Strength: Notched Izod, J/m 50 to 260
19 to 45
Maximum Temperature: Mechanical, °C 90
70
Specific Heat Capacity, J/kg-K 1330 to 2400
1250 to 1400
Strength to Weight: Axial, points 6.9 to 17
8.5 to 12
Strength to Weight: Bending, points 19 to 32
22 to 26
Tensile Strength: Ultimate (UTS), MPa 24 to 80
32 to 44