Various Common in several International locations on Virus Prevention Confront Mask

Particulates KN -dependent filtering and non-oily and oily particulate make any difference KP course, and
And use this to be a mark (see Desk 2 ).
Table two Filter factor ranges outlined by GB 2626-2006
Filter component style mask group
Disposable experience mask Replaceable half deal with mask entire face mask
KN classification
KN90
KN95
KN100
KN90
KN95
KN100
KN95
KN100
KP group
KP90
KP95
KP100
KP90
KP95
KP100
KP95
KP100
From your point of view of filtration efficiency, this typical is based about the group of filter components
And the level, plus the detection method, stipulate the filtration efficiency of every design
(See Desk three ).
Furthermore, GB 2626-2006 has typical specifications, visual inspection,
Leakage, respiration resistance, exhalation valve, lifeless Place, industry of view, headband, connection
And connecting elements, lenses, air tightness, flammability, cleaning and disinfection, manufacturing
Technical needs for instance facts and packaging that needs to be provided by the maker.
Table 1 Survey scope of mask expectations in several international locations
Nationwide Everyday Mask Products Standard Health-related Mask Solution Common

Taiwan Regional Regular CNS 14755-2003 "Disposable Dust Mask" [four]
Taiwan Regional Conventional CNS 14756-2003 "Added activated carbon disposable dustproof port
Deal with" [five]
National normal GB 19083-2010 "Professional medical protective mask technological know-how
Demands" [6]
Business normal YY 0469-2011 "Health-related Surgical Mask" [7]
Business standard YY/T 0969-2013 "Disposable healthcare mouth
Cover" [eight]
Taiwan Regional Common CNS 14774-2003 "Healthcare Mask" [9]
U . s .
Code of Federal Restrictions CFR 42-eighty four-1995 interpretation tips, "the NIOSH Information into the
Selection and Use of Particulate Respirators "( NIOSH particulate issue
Suggestions for the selection and usage of protective masks) [10]
American Typical ASTM F2100-2019 《Regular
Specification for Performance of Resources Applied
in Encounter Masks of Healthcare  conventional"(clinical mask materials Conventional requirements) 
Europe
European standard EN 149-2001 " Respiratory protecting gadgets-
Filtering 50 % masks to shield versus particles-Needs
testing marking (respiratory security product . Filter 50 % mask for particle defense . To
Request, take a look at and mark)" [twelve]
European regular EN 14683-2019 ` ` Clinical face masks
-Specifications and test approaches (Professional medical masks
Summation check technique)" [13]
Japan Japanese regular JIS T 8151-2018 " Particulate respirators (Particulate respirators)
)" [fourteen]
Korea Korean Regular KS M 6673-2008 " Dust respirators (dust respirators)" [15]
Australia Australia / New Zealand Common AS/NZS 1716-2012 《Respiratory
protecting products " [16]
Be aware: All expectations might be viewed on the China Normal Provider Network ( www.cssn.Web.cn ) according to the standard quantity
Observe: ① KN95 comes from this conventional.
·Column: Regular Comparison·
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2020, No. three Regular SCIENCE
Table three Filter performance laid out in GB 2626-2006
Style of filter element
And amount
Use Sodium Chloride Particles
Oil particle detection for detection
KN90 ≥ 90.0%
KN95 ≥ ninety five.0% not relevant
KN100 ≥ 99.ninety seven%
KP90
Not applicable
≥ ninety.0%
KP95 ≥ ninety five.0%
KP100 ≥ 99.ninety seven%
( 3 ) The most recent advancement of GB 2626-2006
It really is worth noting that GB 2626-twenty 06 "Respiratory Safety
Item self-priming filter anti-particulate respirator" is about to be obsolete, the new edition of GB
2626-2019 "Respiratory security self-priming filter anti-particulate respiration

The typical will probably be 2020 July 1st formally implemented, The brand new criteria with the
The Emergency Administration Division proposed and managed.
At present, the new conventional has become launched to The full society gratis②. In the new common
Included seven conditions like "aerodynamic particle dimension" and revised some
Technological prerequisites and testing strategies, but with the enumerated classification and marking,
The filtration effectiveness has not been modified.
two.one.2 GB/T 32610-2016 "Technical Specification for Everyday Protective Masks" ③
( one ) Conventional supply
This standard is China's proposed nationwide standard. China Textile Marketplace
The Federation proposed that the Nationwide Textile Standardization Technical Committee shall be beneath the jurisdiction.
( two ) Technical material
This normal is mainly relevant on the air pollution environment in everyday life
The protective mask worn to filter out particles, although not appropriate for health-related
Use and also other special industries.
From the standpoint of terms and definitions, the particulate matter specified in this conventional is a ring
Ambient air in an aerodynamic equal diameter much less two.five [mu] m of particles
Particulate matter, also referred to as fine particulate issue ( PM2.5 ), is similar to other expectations in this post
The definition of particulate issue may differ.
With the point of view of filtration effectiveness, masks may be divided into: Course I, Course II ,
Class III , the corresponding saline media filtration effectiveness is ninety nine% , ninety five%
And 90% (see Table four ).
Desk 4 Filter effectiveness levels and demands laid out in GB/T 32610-2016
Filtration efficiency classification I degree II stage III amount
Filtration efficiency /% saline media 99 95 90
Oily medium 99 95 80
Through the standpoint in the Right protective result classification, the protecting outcome of masks ranges from higher to
It is divided into A , B , C , D , according to the distinct air pollution setting
Lowering the environmental inhaled particulate subject ( of PM2.five ) to a concentration of ≤ seventy five [mu] G / M3
Skills being divided (see Table five ). 
Table 5 GB/T 32610-2016 defines the relevant ring for various safety influence levels
Ambient air top quality Defense influence stage A degree B degree C level D level
Relevant air high-quality index
Amount group
Critical pollution and in excess of
Air pollution
Extreme and previously mentioned
Pollution
Moderate and over
Air pollution
Table 6 GB/T 32610-2016 masks with different protecting effect degrees
Protection influence needs
Security impact stage A amount B degree C stage D amount
Protection outcome /% ≥ ninety eighty five 75 65
two.two Status of overseas specifications
This short article selects the typical of typical protective masks in main formulated countries
And technical laws, including the US " NIOSH Particulate Respirator
Tutorial for the choice and Utilization of "(Tutorial into the Interpretation of US Federal Polices),
European standard EN 149-2001 "Respiratory protective equipment . Particle security
Filter 50 percent mask . Necessities , inspection and marking)", Japanese typical JIS
T 8151-2018 "Particulate Respirator", Korean standard KS M 6673-
2008 "Dust Mask"