PPS CF: The New High-Performance Material for Weerg 3D Printing

Starting today, Weerg expands its range of FDM 3D printing materials with the introduction of PPS CF (carbon fiber-reinforced polyphenylene sulfide), a carbon fiber-reinforced engineering polymer that offers exceptional mechanical strength, thermal stability and stiffness.

Weerg expands its range of FDM 3D printing materials with the introduction of PPS CF (polyphenylene sulphide reinforced with carbon fibre) — a technical polymer offering outstanding mechanical strength, thermal stability, and rigidity.

In the following article you will find:
What is PPS CF
Advantages of PPS CF
Annealing of PPS CF
Applications of PPS CF
Comparison between PPS CF and Other Technical Materials

What is PPS CF?

PPS (Polyphenylene Sulphide) is a semi-crystalline polymer belonging to the family of high-performance thermoplastics (HPPs).
The CF (Carbon Fibre Reinforced) version incorporates a percentage of carbon fibres, which dramatically increases structural stiffness while reducing thermal deformation and improving dimensional stability.

Main properties:

• High mechanical strength and rigidity

• Excellent thermal resistance

• Outstanding chemical resistance to solvents, oils, fuels, and acids

• Low moisture absorption → high dimensional stability

• High dielectric strength → suitable for electrical and electronic applications

• Reduced thermal expansion coefficient thanks to carbon fibre reinforcement

Advantages of PPS CF

• Exceptional heat resistance: operational up to 260 °C without performance loss

• Superior structural rigidity due to carbon fibre reinforcement

• Excellent chemical and corrosion resistance

• Outstanding dimensional stability, even under temperature variations

• Lower weight than metals, yet comparable mechanical properties

• Compatible with harsh environments (oils, solvents, fuels)

• Excellent electrical insulation and dielectric strength

Annealing PPS CF

At Weerg, PPS CF printed components can undergo a controlled annealing process — a thermal treatment that stabilises the material and enhances both mechanical and thermal performance.

Annealing, performed over 20 hours, allows for:

• Increased heat deflection temperature (HDT) up to 255 °C

• Reduction of internal stresses accumulated during printing

• Improved long-term dimensional stability

This treatment is particularly recommended for technical and functional components intended for demanding operating environments.

Applications of PPS CF

• Aerospace: lightweight, heat-resistant structural components

• Automotive: brackets, supports, housings, and enclosures for engines or sensors

• Electronics: connectors, insulators, and high-temperature precision parts

• Chemical industry: components exposed to acids, solvents, or steam

• Robotics and precision mechanics: rigid parts with tight tolerances

Comparison Between PPS CF and Other Technical Materials

PPS CF offers an ideal balance between performance and cost, positioned just below PEEK CF in terms of technical performance, but with a superior price-to-performance ratio.

Conclusion

PPS CF is an outstanding material for industrial applications requiring high rigidity, thermal resistance, and dimensional stability.
Thanks to carbon fibre reinforcement, it combines metal-like mechanical performance with reduced weight and superior chemical resistance.

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