IEC 60674-3-1:20 21作为IEC 60674-3-1:20 21 RLV提供，其中包含国际标准及其红线版本，显示了与上一版本相比技术内容的所有变化。IEC 60674-3-1:20 21给出了具有光滑或粗糙表面的双轴取向聚丙烯薄膜的要求，当需要真空金属化时进行电晕处理。薄膜用作电容器中的电介质。符合本规范的材料符合既定的性能水平。然而，用户对特定应用的材料的选择是基于该应用中足够性能所必需的实际要求，而不是仅基于本说明书。安全警告:本文件中包含或提及的方法的用户有责任确保以安全的方式使用它们。这第二版取消并取代了1998年出版的第一版和修正案1:20 11。本版构成技术修订版。与上一版相比，此版本包括以下重大技术变更: -本文件经过编辑和技术上的彻底修订，并被纳入IEC 60674系列标准； -测试方法已更新，以反映当前的技术水平。

IEC 60674-3-1:2021 is available as IEC 60674-3-1:2021 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.

IEC 60674-3-1:2021 gives the requirements for biaxially oriented polypropylene film having a smooth or rough surface, corona treated when required for vacuum metallization. The films are for use as dielectric in capacitors. 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 1998 and Amendment 1:2011. 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;
- the test methods have been updated to reflect today’s state of the art.