Protective masks are divided into air-supply respirator and filter-type respirator. Filter-type masks can filter particles in the air, blocking droplets, blood, body fluids, toxic gases, and secretions. Air-supply respirators are air-supply respirator masks that are used in places such as chemical plants, fire scenes, and chemical hazards in military operations. They are ordinary individual protective masks.
There are many kinds of protective masks. There are activated carbon filter masks, activated carbon fiber felt masks, non-woven masks, and microfiber masks according to different materials. , absorbent cotton masks, made of absorbent cotton, cotton gauze masks, made of cotton yarn.
According to different shapes, there are flat masks, cups, towel masks, bandage masks, cotton masks, and gas masks.
1 protective mask range
The standard of protective masks stipulates the basic requirements, test methods, signs and instructions for use, and packaging, transportation and storage of medical protective masks (hereinafter referred to as masks).
This standard applies to self-absorption filter type dust-proof medical respirator that can filter particles in the air and block harmful gas droplets, blood, body fluids, secretions, etc.
2 Normative references
The clauses in the following documents have been adopted as references to this standard. For dated references, subsequent amendments (not including errata content) or revisions do not apply to this standard. However, parties that have reached an agreement based on this standard are encouraged to study whether the latest versions of these documents can be used. . For undated references, the latest version is applicable to this standard.
GB 2626-2006 "Respiratory protective equipment self-priming filter type particulate respirator" standard
GB/T191-2000 packaging, storage and transportation icon logo
GB/T 4745-1997 Textile fabrics Determination of surface moisture resistance
GB 15980-1995 Health standard for disposable medical products
GB/T 16886.7-2001 Biological evaluation of medical devices Part 7: Ethylene oxide sterilization residues
GB/T 16886.10-2000 Biological evaluation of medical devices Part 10: Stimulation and sensitization tests
3 Terms and Terminology
3.1 Filtering efficiency
The percentage of airborne particles filtered out by the guard under specified conditions.
3.2 Flame retardation
LFY-610 Face Mask Flame Retardant Tester j Test Face Mask Flame Retardant Performance Protects itself from ignition, flaming, and smoldering.
3.3 Disinfection
Physical or chemical methods are used to kill or eliminate the pathogenic microorganisms on the media and make them harmless.
3.4 Sterilization
Use physical or chemical methods to kill all microorganisms in the media and make them sterile.
3.5 Self-inhalation filter type dust mask
Reliance on the wearer's breathing to overcome the resistance of the parts, for dust-free net-type breathing apparatus.
3.6 Adhesive type sealing half-mask
