KN95

From Chinese KN95.

KN95 (countable and uncountable, plural KN95s)

1. (uncountable) An air particulate filtration standard originating in the People's Republic of China, which requires filtration of 95% of air particulates that are 0.3 microns and larger.
2. (countable) Ellipsis of KN95 filter., a filter implementing the standard.
3. (countable) Ellipsis of KN95 mask., a facemask using a filter conforming to the standard.

• N95 (U.S. standard, similar and almost equivalent to the Chinese standard)
• KF94 (South Korean standard, similar and almost equivalent to the Chinese standard)

• KN99

Possibly from Initialism of 口罩 (Kǒuzhào, “surgical mask”) + English N95, from Initialism of Not resistant to oil particles with 95% filtration efficiency in NIOSH air filtration ratings.

KN95

1. KN95; an air particulate filtration standard requiring 95% filtration of particules sized 0.3 microns across and larger.

• GB2626-2006, the standards document setting the KN95 standard

• KN99

• English: KN95
• French: KN95
• Spanish: KN95

Borrowed from Chinese KN95.

KN95 m (uncountable)

1. KN95; an air particulate filtration standard requiring 95% filtration of particules sized 0.3 microns across and larger

• KN99

Borrowed from Chinese KN95.

KN95 m (uncountable)

1. KN95; an air particulate filtration standard requiring 95% filtration of particules sized 0.3 microns across and larger