IEC 60674-3-4-ed.2.0

Podrobné informácie

Označenie: IEC 60674-3-4-ed.2.0

Dátum vydania: 22.06.2022

Stránok: 0

Krajina: Medzinárodná technická norma

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Anotácia

IEC 60674-3-4:2022 gives the requirements for polyimide films used for electrical purposes. Materials which conform to this specification meet established levels of performance. However, the selection of a material by a user for a specific application is based on the actual requirements necessary for adequate performance in that application and not based on this specification alone.Safety warning: it is the responsibility of the user of the methods contained or referred to in this document to ensure that they are used in a safe manner. This second edition cancels and replaces the first edition published in 1993. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: this document has been completely revised editorially and technically and included in the IEC 60674 series of standards; new types have been included; the ranges of thickness have been expanded; changes have been made to the requirements of some existing types. IEC 60674-3-4:2022 specifie les exigences pour les films de polyimide a usages electriques. Les materiaux conformes a la presente specification satisfont a des niveaux etablis de performance. Toutefois, le choix d’un materiau par un utilisateur pour une application specifique repose sur les exigences reelles necessaires pour obtenir des performances adequates de l’application concernee, et non sur la seule presente specification. Avertissement de securite: il incombe a lutilisateur des methodes contenues ou referencees dans le present document de sassurer que celles-ci sont utilisees en toute securite. Cette deuxieme edition annule et remplace la premiere edition parue en 1993. Cette edition constitue une revision technique. Cette edition inclut les modifications techniques majeures suivantes par rapport a ledition precedente: le present document a fait lobjet dune revision redactionnelle et technique complete, et a ete integre a la serie de normes IEC 60674; de nouveaux types ont ete ajoutes; les plages depaisseurs ont ete etendues; des modifications ont ete apportees aux exigences relatives a certains types existants.