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Vespel is the trademark of a range of durable high-performance polyimide-based plastics made by DuPont.[1][2]
- ^ admin. "Polyimide | Vespel - SPN expert en plastiques hautes performances". Plastiques SPN (in French). Retrieved 2022-02-17.
- ^ US3425865A, Shelton, Charles F., "Insulated conductor", issued 1969-02-04