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With VESTAKEEP®, the extreme thermoplastic polymer polyether ether ketone (PEEK*), Daicel-Evonik has expanded its product range of high-performance polymers and started to sale in the Japan Market.
 VESTAKEEP® compounds are particularly characterized by the following material properties:
- very high heat resistance
- high rigidity
- low water absorption and therefore high dimensional stability
- high hardness
- good strength
- excellent sliding friction behavior, minimal abrasion
- good electrical characteristics
- excellent chemical resistance
- excellent hydrolytic stability
- good processability
- low tendency to form stress cracks
This properties profile makes VESTAKEEP® compounds suitable for a wide range of applications. It is used, for example, to produce chip carriers and connectors for the electronics industry and bearings, seals and cables for the automotive and aerospace industries and for rail cars. The machine and apparatus construction industry and the food processing industry have discovered that polyether ether ketone is good for valves and parts that are subjected to severe stress. Medical technology uses it for hoses and instrument handles.
*PEEK is the official ISO 1043 abbreviation for polyether ether ketone
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