Reference Work Entry

Encyclopedic Dictionary of Polymers

pp 787-787

Vacuum Impregnating

  • Jan W. GoochAffiliated with

n The process of impregnating electrical components by subjecting the parts to a moderate vacuum to remove air and other volatiles, introducing the impregnant to penetrate the parts, then releasing the vacuum and curing. Epoxy, phenolic, and polyester resins are often used. See also Potting and Encapsulation.

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