POLY-PRAT SA company dedicated since 1967 to the transformation of thermoplastic by injection and subsequent finishes (welding by ultrasonic and induction, mounts and automatisms) as well as the construction and repair of moulds.

In POLY-PRAT SA we provide our experience on every project advising on the parts design process before making the mould and the production of the same parts. We advise the choice of the most suitable raw materials and the adaptation of the mould according to the technical specifications of the project as well as the ability to run additional tasks of post-production, such as mountings or assemblies of parts and final finishes.


Raw Materials

We work with all types of thermoplastic materials, whether they are technical or conventional, such as PP, PA, POM, PPA, PBT. We use materials with multiple loads like fiberglass and mineral fillers or additives for UV protection, flame retardant V0, anti-static, etc.

Technical Materials

  • PA66+MSO2
  • PBT+18PTFE+2Si
  • PVDF
  • PARA
  • PBT+PC

Conventional Materials

  • PA6/66/12
  • PE
  • PMMA
  • PP
  • PC
  • PVC
  • PS
  • POM


Our consolidated industrial path allows us to tackle projects of the most diverse nature thanks to a high degree of productive adaptability. Our company offers you the best solution to carry out your project in a comprehensive manner. Multiple sectors for which we work include:


  • Shifters
  • Cables
  • Car Interiors
  • Data transmission
  • Connectors


  • Alarm system
  • Bearings
  • Gears


  • Plugs
  • Valves


  • Powder compacts
  • Containers
  • Shop windows


  • Turbines
  • Pneumatic
  • Laboratories
  • Elevators
  • Mould Construction
  • Modification and repair of moulds
  • Building prototypes and patterns
  • Design and development of customer projects
  • Measuring and testing



In addition to injection and post-production works, POLY-PRAT SA has:

  • ultrasonic welding machines up to 2000 Watt
  • induction welding machine
  • humidification chamber for polyamides
  • automatisms
  • hall for assemblies in order to deliver a fully-finished product ready for final use, or for application to the product for which it is intended

This is a unique website which will require a more modern browser to work!

Please upgrade today!