PCTFE vs. PES
Both PCTFE and PES are thermoplastics. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is PCTFE and the bottom bar is PES.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 1.4 | |
2.6 |
Elongation at Break, % | 150 | |
65 |
Flexural Modulus, GPa | 1.2 | |
2.6 |
Flexural Strength, MPa | 59 | |
130 |
Impact Strength: Notched Izod, J/m | 160 | |
91 |
Tensile Strength: Ultimate (UTS), MPa | 36 | |
87 |
Thermal Properties
Glass Transition Temperature, °C | 100 | |
220 |
Heat Deflection Temperature At 1.82 MPa (264 psi), °C | 110 | |
200 |
Heat Deflection Temperature At 455 kPa (66 psi), °C | 130 | |
210 |
Maximum Temperature: Autoignition, °C | 580 | |
500 |
Maximum Temperature: Decomposition, °C | 370 | |
540 |
Maximum Temperature: Mechanical, °C | 150 | |
200 |
Specific Heat Capacity, J/kg-K | 920 | |
1100 |
Thermal Conductivity, W/m-K | 0.21 | |
0.18 |
Thermal Expansion, µm/m-K | 130 | |
53 |
Electrical Properties
Dielectric Strength (Breakdown Potential), kV/mm | 21 | |
16 |
Electrical Resistivity Order of Magnitude, 10x Ω-m | 16 | |
15 |
Otherwise Unclassified Properties
Density, g/cm3 | 2.1 | |
1.4 |
Limiting Oxygen Index (LOI), % | 80 | |
36 |
Water Absorption After 24 Hours, % | 0.0094 | |
0.34 |
Common Calculations
Stiffness to Weight: Axial, points | 0.37 | |
1.1 |
Stiffness to Weight: Bending, points | 17 | |
33 |
Strength to Weight: Axial, points | 4.6 | |
18 |
Strength to Weight: Bending, points | 11 | |
32 |
Thermal Diffusivity, mm2/s | 0.11 | |
0.12 |
Thermal Shock Resistance, points | 14 | |
45 |