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CAP vs. ABS

Both CAP and ABS 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 CAP and the bottom bar is ABS.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

Density, g/cm3 1.2
1.0 to 1.4

Common Calculations

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