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PET vs. CAP

Both PET and CAP are thermoplastics. There are 8 material properties with values for both materials. Properties with values for just one material (25, in this case) are not shown.

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

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 1.4 to 1.6
1.2
Elongation at Break, % 2.5 to 70
35 to 50
Flexural Modulus, GPa 8.3 to 14
1.2 to 1.9
Glass Transition Temperature, °C 70
190
Specific Heat Capacity, J/kg-K 1000 to 1150
1480
Strength to Weight: Axial, points 12 to 27
6.5 to 10
Strength to Weight: Bending, points 25 to 41
17 to 23
Tensile Strength: Ultimate (UTS), MPa 60 to 140
28 to 45