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HDPE vs. CAP

Both HDPE and CAP are thermoplastics. There are 7 material properties with values for both materials. Properties with values for just one material (18, in this case) are not shown.

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

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 1.0 to 1.3
1.2
Elongation at Break, % 2.5 to 100
35 to 50
Flexural Modulus, GPa 4.0 to 7.5
1.2 to 1.9
Specific Heat Capacity, J/kg-K 1330 to 2400
1480
Strength to Weight: Axial, points 6.9 to 17
6.5 to 10
Strength to Weight: Bending, points 19 to 32
17 to 23
Tensile Strength: Ultimate (UTS), MPa 24 to 80
28 to 45