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SEALS AND SEALING ELEMENTS
Dynamic seals and sealing elements
Due to the special load requirements, engineering plastics are rarely used for dynamic seals. If at all, modified types are used.
Due to their higher temperature resistance, high-performance plastics can be better used as dynamic seals. Especially the tribologically optimised high-performance plastics are well suited for this.
The materials listed below have been successfully used in many sealing applications in addition to the fluoroplastics and polyaryletherketones already mentioned.
The selection of the suitable types requires a detailed examination of the requirements and the material properties. In the case of the material properties, in addition to the mechanical properties, the chemical resistance must also be examined, as this can be reduced in the case of filled materials and especially polyimide-based high-performance plastics (PI and PAI).
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