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New Polyether Ether Ketone Powders by Evonik for Tribological Coatings

Published on 2017-02-16. Author : SpecialChem

Evonik has developed the innovative polyether ether ketone (PEEK) powders VESTAKEEP®. It reduces the wear and tear of components in demanding industrial applications.

PEEK Powders for Demanding Applications

PEEK Powder Coatings
New VESTAKEEP® PEEK powders for
tribological coatings.

The PEEK powders of Evonik's VESTAKEEP® brand are particularly suitable for applications that are subjected to extreme requirements like:
  • Mechanical
  • Thermal 
  • Chemical 

The coating material is able to withstand permanent operating temperatures of up to 250°C and is characterized by its unique ability to resist abrasion and chemicals.

Due to the excellent tribological performance of coatings made from specially developed VESTAKEEP® powders , the friction between sliding surfaces is significantly reduced, which in turn increases efficiency and economy of operation – for example:
  • Lower fuel consumption 
  • Lower CO2 emissions in combustion engines, extended service life of bearings, or higher turbine speeds

These special VESTAKEEP® coatings also allow for employing more cost-efficient substrate materials for components used in applications with sliding friction.

High Performance in Powder Form

  • The various VESTAKEEP® PEEK powders are comprised of particles with average particle sizes ranging from 5 to 110 µm
  • They can be applied by flame and electrostatic spraying methods, or as aqueous dispersions
  • With electrostatic application, layer thicknesses can range from 20 and 300 µm; dispersions are suitable for thinner layers

Based on over forty years of experience, Evonik has been one of the leaders in the development and production of high performance polymers. VESTAKEEP® PEEK powders are part of the high-temperature polymers product portfolio offered by the Resource Efficiency Segment.

To learn more about tribological coatings made from VESTAKEEP® PEEK by Evonik, visit its booth 323 in Hall 7A at the European Coatings Show in Nuremberg from April 4-6.

About Evonik

Evonik, the creative industrial group from Germany, is one of the world leaders in specialty chemicals, operating in the Nutrition & Care, Resource Efficiency and Performance Materials segments. The company benefits from its innovative prowess and integrated technology platforms. In 2015 more than 33,500 employees generated sales of around €13.5 billion and an operating profit (adjusted EBITDA) of about €2.47 billion.

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Source: Evonik
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