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PMP vs. ASA

Both PMP and ASA are thermoplastics. There are 16 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is PMP and the bottom bar is ASA.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 1.1
2.6
Elongation at Break, % 30
6.0
Tensile Strength: Ultimate (UTS), MPa 24
55

Thermal Properties

Glass Transition Temperature, °C 30
100
Specific Heat Capacity, J/kg-K 1750
1300
Thermal Conductivity, W/m-K 0.17
0.18
Thermal Expansion, µm/m-K 120
95

Electrical Properties

Dielectric Constant (Relative Permittivity) At 1 Hz 2.1
3.7
Electrical Resistivity Order of Magnitude, 10x Ω-m 14
13

Otherwise Unclassified Properties

Density, g/cm3 0.83
1.1

Common Calculations

Stiffness to Weight: Axial, points 0.74
1.3
Stiffness to Weight: Bending, points 41
43
Strength to Weight: Axial, points 8.0
14
Strength to Weight: Bending, points 22
30
Thermal Diffusivity, mm2/s 0.12
0.13
Thermal Shock Resistance, points 13
16