PAS vs. PTFE
Both PAS and PTFE are thermoplastics. There are 14 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.
For each property being compared, the top bar is PAS and the bottom bar is PTFE.
Metric UnitsUS Customary Units
Mechanical Properties
Elongation at Break, % | 40 | |
75 to 300 |
Flexural Modulus, GPa | 2.8 | |
0.4 to 1.3 |
Flexural Strength, MPa | 110 | |
13 to 50 |
Tensile Strength: Ultimate (UTS), MPa | 83 | |
13 to 25 |
Thermal Properties
Heat Deflection Temperature At 1.82 MPa (264 psi), °C | 200 | |
66 to 70 |
Thermal Expansion, µm/m-K | 49 | |
110 to 120 |
Electrical Properties
Dielectric Constant (Relative Permittivity) At 1 MHz | 3.5 | |
2.1 to 2.4 |
Electrical Dissipation At 1 MHz | 0.0056 | |
0.00017 to 0.050 |
Electrical Resistivity Order of Magnitude, 10x Ω-m | 15 | |
2.0 to 18 |
Otherwise Unclassified Properties
Density, g/cm3 | 1.4 | |
2.1 to 2.3 |
Limiting Oxygen Index (LOI), % | 33 | |
90 |
Water Absorption After 24 Hours, % | 0.4 | |
0.0093 to 0.050 |
Common Calculations
Strength to Weight: Axial, points | 17 | |
1.7 to 3.2 |
Strength to Weight: Bending, points | 31 | |
5.7 to 8.7 |