本文件规定了耳塞的结构、设计、性能、标记和用户信息的要求。 特别是，它规定了根据EN ISO 4869-1:2018测量的耳塞的声音衰减要求。 本文件适用于耳塞 专为能够遵循所提供的说明和了解相关风险的用户设计，能够正确安装耳塞，并能对性能进行反馈。 在需求范围内，通过考虑用户和 装置，以及装置可能使用的工作环境（见附录ZA和EN 458）。

This document specifies requirements on construction, design, performance, marking and user information for earplugs. In particular, it specifies requirements regarding the sound attenuation of the earplugs, measured in accordance with EN ISO 4869-1:2018. This document applies to earplugs designed for users who are able to follow supplied instructions and understand the related risks, can fit the earplugs correctly and can give feedback on the performance. Ergonomic aspects are addressed by taking into account, within the requirements, the interaction between the user, the device and where possible the working environment in which the device is likely to be used (see Annex ZA and EN 458).