GB2626-2019 is the latest mask standard implemented on July 1, 2020 in China. According to the protection level of masks, masks are divided into 90, 95 and 100 levels.
1, N90 mask is a mask that filters more than 90% of non-oil particulate matter.
2, N95 masks are masks that filter non-oil particulate matter by 95% or more.
3, N100 masks are masks that filter more than 99.97% of non-oil particulate matter.
The breathing valves of the above three masks are optional, but masks without breathing valves should be used in medical settings.
The following are the standard codes for the five types of masks that meet the requirements for epidemic prevention:
Children's masks:GB/T 38880-2020;
Medical protective masks:GB19083-2010;
Medical surgical masks:YY0469-2011;Daily protective masks:GB/T 32610-2016; p>
Disposable medical masks:YY/T 0969-2013.
Legal basis
"Medical protective masks technical requirements"
1 Scope
This standard specifies the basic requirements of medical protective masks (hereinafter referred to as the masks), test methods, identification and use of Instructions and packaging, transportation and storage.
This standard applies to the air particles can be filtered, blocking droplets, blood, body fluids, secretions, etc. Self-priming filter dust medical protective masks.
2 Normative references
The following documents in the provisions of this standard through the reference and become the provisions of this standard. Where the cited document is dated, all of its subsequent change orders (excluding the contents of the errata) or revised versions are not applicable to this standard, however, the parties to the agreement under this standard are encouraged to study whether the latest version of these documents can be used. Where undated references to the document, its latest version applies to this standard.
GB/T191-2000 Graphic symbols for packaging, storage and transportation
GB/T4745-1997 Determination of surface moisture resistance of textile fabrics Water-staining test
GB 15980-1995 Hygienic standard for disposable medical products
GB/T16886.7-2001 Biological evaluation of medical devices Part 7 Part 7: Ethylene oxide sterilization residue
GB/T16886.10-2000 Biological evaluation of medical devices Part 10: Irritation and sensitization test