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PES vs. ASA

Both PES and ASA are thermoplastics. There are 16 material properties with values for both materials. Properties with values for just one material (17, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 2.6
2.6
Elongation at Break, % 65
6.0
Tensile Strength: Ultimate (UTS), MPa 87
55

Thermal Properties

Glass Transition Temperature, °C 220
100
Specific Heat Capacity, J/kg-K 1100
1300
Thermal Conductivity, W/m-K 0.18
0.18
Thermal Expansion, µm/m-K 53
95

Electrical Properties

Dielectric Constant (Relative Permittivity) At 1 Hz 3.5
3.7
Electrical Resistivity Order of Magnitude, 10x Ω-m 15
13

Otherwise Unclassified Properties

Density, g/cm3 1.4
1.1

Common Calculations

Stiffness to Weight: Axial, points 1.1
1.3
Stiffness to Weight: Bending, points 33
43
Strength to Weight: Axial, points 18
14
Strength to Weight: Bending, points 32
30
Thermal Diffusivity, mm2/s 0.12
0.13
Thermal Shock Resistance, points 45
16