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PES vs. PC

Both PES and PC are thermoplastics. There are 13 material properties with values for both materials. Properties with values for just one material (19, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

Elongation at Break, % 65
3.5 to 110
Flexural Modulus, GPa 2.6
2.3 to 10
Flexural Strength, MPa 130
92 to 160
Impact Strength: Notched Izod, J/m 91
140 to 440
Rockwell M Hardness 88
68 to 120
Tensile Strength: Ultimate (UTS), MPa 87
66 to 160

Thermal Properties

Glass Transition Temperature, °C 220
150
Heat Deflection Temperature At 1.82 MPa (264 psi), °C 200
130 to 150
Specific Heat Capacity, J/kg-K 1100
1000 to 1200
Thermal Expansion, µm/m-K 53
10 to 69

Otherwise Unclassified Properties

Density, g/cm3 1.4
1.2 to 1.4

Common Calculations

Strength to Weight: Axial, points 18
15 to 30
Strength to Weight: Bending, points 32
30 to 45