Unfilled Polyethersulfone (PES)
Thermo-Physical Properties
| PROPERTY | UNIT | VALUE / RANGE |
| Melting Point |
°C | 227 - 238 |
| Density | g mL-1 |
1.37 |
| Coefficient of
Thermal Expansion x 10-5 | cm /
(cm °C) | 4.9 - 5.7 |
| Heat Deflection Temperature, 0.5 MPa |
°C |
210 - 220 |
| Heat Deflection Temperature, 1.8 MPa |
°C | 203 - 204 |
| Thermal Conductivity | W / mK | 0.18 - 0.24 |
| Rockwell
Hardness, R Scale | n/a |
R120 - R127 |
| | | |
Mechanical Properties at 23 °C
| PROPERTY |
UNIT | VALUE / RANGE |
| Tensile
Strength, Yield at 23 C |
MPa |
|
| Tensile Strength, Break at 23 C |
MPa |
83 - 85 |
| Elongation, Yield |
% |
6.5 |
| Elongation, Break |
% |
25 - 80 |
| Tensile Modulus
at 23 C | MPa |
2600 |
| Flexural Strength, Yield |
MPa | 129 - 130 |
| Flexural Modulus |
MPa |
2550 - 2900 |
| Compressive Strength |
MPa | 100 - 109 |
| Izod Notched |
J / m |
85 |
| Izod Unnotched |
kJ / m2 | no
break |
Electrical Properties
| PROPERTY |
UNIT | VALUE / RANGE |
|
| Ohm-cm | |
| Dielectric
Strength |
V/mm x 104 |
1.5 |
|
Dielectric Constant @ 1 MHz |
n/a |
3.54 |
| Dissipation Factor @ 1 MHz | n/a |
0.003 - 0.006 |
Other Properties
| PROPERTY |
UNIT | VALUE / RANGE |
|
| °C | 350 - 390 |
| Mold
Shrinkage |
% |
|
|
Continuous Service Temperature |
°C |
175 - 200 |
| Water Absorption, 24 hr.
Immersion | % |
0.43 |
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