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ASA vs. PS

Both ASA and PS are thermoplastics. There are 16 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 2.6
1.9 to 2.9
Elongation at Break, % 6.0
1.8 to 40
Tensile Strength: Ultimate (UTS), MPa 55
32 to 44

Thermal Properties

Glass Transition Temperature, °C 100
100
Specific Heat Capacity, J/kg-K 1300
1250 to 1400
Thermal Conductivity, W/m-K 0.18
0.14 to 0.22
Thermal Expansion, µm/m-K 95
80 to 98
Vicat Softening Temperature, °C 96
100 to 110

Electrical Properties

Electrical Resistivity Order of Magnitude, 10x Ω-m 13
14 to 15

Otherwise Unclassified Properties

Density, g/cm3 1.1
1.0

Common Calculations

Stiffness to Weight: Axial, points 1.3
1.0 to 1.5
Stiffness to Weight: Bending, points 43
40 to 45
Strength to Weight: Axial, points 14
8.5 to 12
Strength to Weight: Bending, points 30
22 to 26
Thermal Diffusivity, mm2/s 0.13
0.11 to 0.15
Thermal Shock Resistance, points 16
11 to 15