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ABS vs. CAP

Both ABS and CAP are thermoplastics. There are 11 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 ABS and the bottom bar is CAP.

Metric UnitsUS Customary Units

Mechanical Properties

Elongation at Break, % 3.5 to 50
35 to 50
Flexural Modulus, GPa 2.1 to 7.6
1.2 to 1.9
Flexural Strength, MPa 72 to 97
29 to 56
Tensile Strength: Ultimate (UTS), MPa 37 to 110
28 to 45

Thermal Properties

Heat Deflection Temperature At 1.82 MPa (264 psi), °C 76 to 110
65 to 80
Heat Deflection Temperature At 455 kPa (66 psi), °C 83 to 110
75 to 90
Thermal Expansion, µm/m-K 81 to 95
14

Electrical Properties

Dielectric Strength (Breakdown Potential), kV/mm 15 to 16
15

Otherwise Unclassified Properties

Density, g/cm3 1.0 to 1.4
1.2

Common Calculations

Strength to Weight: Axial, points 10 to 22
6.5 to 10
Strength to Weight: Bending, points 24 to 37
17 to 23