PPS-CF is selected less for headline room-temperature tensile strength and more for its systems behaviour: exceptional thermal stability, low moisture uptake, broad chemical resistance, inherent flame performance in suitable grades and extremely low creep.
Material family names are not specifications. This page anchors the discussion to a named commercial grade and published printed-specimen data, then translates that data into practical selection and design guidance.
PPS-CF is selected less for headline room-temperature tensile strength and more for its systems behaviour: exceptional thermal stability, low moisture uptake, broad chemical resistance, inherent flame performance in suitable grades and extremely low creep.
Choose PPS-CF when heat, solvents, fuels, flame behaviour or dimensional stability dominate the requirement.
Orientation, conditioning and geometry can move finished-part performance materially. Use these figures to compare candidate materials—not as guaranteed minimums.
| Property | Representative value | Test / context |
|---|---|---|
| Density | 1.26 g/cm³ | Manufacturer TDS |
| Tensile strength · dry | 87 ± 5 MPa | Manufacturer TDS |
| Elongation at break · dry | 1.2 ± 0.4% | Manufacturer TDS |
| Flexural modulus · XY dry | 7.16 ± 0.28 GPa | Manufacturer TDS |
| Flexural strength · XY dry | 142 ± 5 MPa | Manufacturer TDS |
| Impact strength · XY | 27.8 ± 2.3 kJ/m² | Manufacturer TDS |
| HDT · 0.45 MPa | 264°C | ISO 75 |
| Vicat softening | 268°C | ISO 306 |
XY values normally represent flat-printed specimens. Z-direction strength can be substantially lower. Final production settings should be qualified on representative geometry.
A useful material choice starts with load case, temperature, environment, duty cycle and failure consequence—not the strongest number on a datasheet.