Traditional Culture Encyclopedia - Photography and portraiture - Standard model of epidemic prevention mask
Standard model of epidemic prevention mask
1 and N95 are produced according to the American standard NIOSH and meet the requirements of NIOSH42 CFR84- 1995, including N95, N99, N 100, R series and P series. N95 masks that meet the medical standards can be used for the protection of medical institutions.
There are more than 10 masks that meet N95 standards produced by 3M company, but only 1860 (for children 1860S) and 9 132 are medical protective masks, and the remaining 2042F and 2042FP models can be used as medical surgical masks.
2.FFP2 is the European standard EN 1493, while KN95 is the China standard GB. All masks printed with implementation standards are qualified medical masks N95.
Because novel coronavirus is a virus spread by droplets, there is no constant standard for masks at present, including the use of specific mask types is not recommended in the diagnosis and treatment plan, but isolation is definitely necessary to prevent droplets.
How to choose masks in different scenes?
Children who concentrate on their studies and activities in kindergartens and schools. It is recommended to wear disposable sanitary masks (children choose products with equivalent performance). RX 19 10 disposable protective mask made by Raxwell in Kryptville, with BFE of 99% ≥ 99%, is light, light and breathable, with good air tightness and protection.
Environmental and biological sample testers related to the epidemic situation. It is recommended to wear a particulate protective mask that meets the standards of N95/KN95 and above. Kryptville rx 950 1 series masks have passed KN95 certification, and the filtration efficiency is ≥95%. They have also obtained EU CE certification from US EUA FDA and SGS.
- Previous article:20 19 Foshan Dragon Boat Festival Activity Time+Address+Activity Content
- Next article:Holiday media self-study software
- Related articles
- What are the characteristics of Zhongyuan Institute of Technology?
- How can I get to Wedding Street if I get off at Guangzhou Railway Station and take a bus?
- What software is used for post-editing of time-lapse photography, which is simple and easy to handle?
- Which was stronger, Shanghai or Changchun during the Republic of China?
- Make money through amazing underwater photography
- Cao Ren, the actor of the New Three Kingdoms
- Functional analysis of Nokia Lumia925 camera
- How to become a professional portrait photography model
- Excuse me, what's the general way of giving wine in return for marriage in Xiangtan?
- A segment that describes a character's behavior.