医用外科口罩新旧标准差异分析

打开文本图片集

Difference Analysis between the Old and New Standard for Surgical Mask

CENYan

（Guizhou Lincheng Talent Dispatch Co.， Ltd.）

Abstract： This paper makes a comparative analysis of the new standard YY O469-2023，Surgical mask， and the old standard YY 469—20ll， Surgical mask， which can more intuitively understand the diferences between the old and new standards， soas tohelp enterprises and testing institutions tocarry out relevant work， and have abetter understanding of the new standard.

Keywords： surgical mask， comparative analysis， old and new standards

0 引言

医用外科口罩能够覆盖佩戴者的鼻、口至下颌的屏障，主要用于防止病原体微生物、血液、飞沫、颗粒物等透过。（剩余4933字）