Aliphatic Polyketone (PK) is a high-performance thermoplastic polymer with a melting point of 220ยฐC. This is the result of polar ketone groups in the polymer backbone creating a strong attraction between polymer chains. Polyketone (PK) meets the demands of a wide range of applications and has been enjoying somewhat of a renaissance thanks to its environmental credentials relative to other polymers. This is due to comonomer CO (carbon monoxide) in the structure of the polyketone. An industrial โ€œwasteโ€ gas which can contribute to global warming, it bonds with a polymer to form a highly favourable monomer. Polyketone has several properties which no other polymer has in this combination. Freshly injection-moulded polyketone has the greatest yield strain (over 20 %) compared to all other semi-crystalline polymers, virtually independently of moisture. This tremendous elasticity gives many components made of PK a high degree of safety in the design phase.


  • excellent resilience
  • reduced moisture absorbtion
  • good tribological properties
  • good resistance to chemicals
  • good hydrolysis resistance
  • shorter cycle times

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