There are many different types of masks on the market. When shopping for a mask, use its labeling and construction to determine its type. Below is a list of masks with different protective functions.
1, single-use medical mask
Photo | Single-use medical mask
Product standard:
YY/T 0969
Filtration efficiency level:
Particle barrier performance is not specified.
Performance:
Non-closed type with basic hygiene index.
Main application scenarios:
Medical staff: not related to this new coronavirus outbreak.
Isolation ward patients
Public: non-crowded places, clearly no confirmed or suspected patients.
2, medical surgical mask
Photo | Medical Surgical Mask
Product Standard:
YY 0469
Filtration Efficiency Level:
≥ 30%
Performance:
Non-containment type; anti-blood transmittance; surface resistance to moisture.
Main application scenarios:
Medical staff: not related to this new coronavirus outbreak.
Isolation ward patients
Public: non-populated places, clearly no confirmed or suspected patients.
3, medical protective masks
Photo | Medical protective masks
Product Standard:
GB 19083
Filtration Efficiency Levels:
Class 1 ≥ 95%; Class 2 ≥ 99%; Class 3 ≥ 99.97%
Performance:
Dense-fitting type; anti-blood transmissibility; Surface moisture resistance.
Main application scenarios:
Medical staff: fever clinics, emergency clinics, isolation wards, and other workplaces with suspected and confirmed patients.
4, Particulate Mask
Photo | Particulate Mask
Product Standard:
GB 2626 or NIOSH 42 CFR Part 84
Filtration Efficiency Levels:
KN90/95/100; N90/95/100; FFP1/2/3; Designation Protection Factor ：10
Performance：
Sealed type; Exhalation valve available.
Primary application scenarios:
Medical staff: can be used as a supplement when the supply of medical protective masks is insufficient, but it is not recommended for use in areas with high humidity or risk of splashing of body fluids, such as operating rooms.
Public: for protection in crowded places. Protection is superior to single-use medical masks and medical surgical masks, and the blocking ability of particulate matter is comparable to that of medical protective masks.
5, protective masks (with P100 filter cotton)
Photo | Protective Masks
Product Standard:
GB 2626 or NIOSH 42 CFR Part 84
Filtration Efficiency Level:
Specified Protective Factor: Half-face type 10, Full-face type 100
Performance:
Performance:
Performance:
Performance:
Performance:
Performance:
The masks are designed to protect against particles. p>
Sealed type; Exhalation valve.
Main application scenarios:
Medical personnel: emergency state use, the level of protection is higher than the medical protective mask. Comprehensive type can be used for patient or suspect intubation, incision and other operations.
Attention to use:
Medical personnel engaged in patient care, event site investigation, sampling and testing of CDC personnel, as well as hospital isolation area cleaning, security and other services to be engaged in the prevention and control of the outbreak of a more stringent protection measures. Such personnel should also consider systematic protection, in addition to protective masks, should also choose to use appropriate protective clothing, goggles (eye mask), protective face screen, protective gloves and shoe covers and other supplies,
Patients with respiratory base disease need to be under the guidance of a doctor to use protective masks.
Elderly people and children are susceptible and have weak behavior, so they should be more concerned.
For medical surgical masks, log on to the official website of the State Drug Administration , enter the medical device registration certificate number to check.
Time to pay attention to the epidemic bulletin issued by the government.
Four, masks in the use of frequently asked questions
1, with the exhalation valve masks against pneumonia virus?
The exhalation valve is a one-way valve for exhalation.
If the wearer does not carry pathogens, the choice of masks with exhalation valves will be more comfortable, can be used, is anti-virus;
But infected persons, suspected infected persons, and close contacts during the incubation period can not choose masks with exhalation valves, in order to avoid contamination of the environment, infecting others.
2, cotton gauze masks, active carbon masks to prevent the new pneumonia virus?
No effect on the prevention and control of this epidemic.
3, particulate protection masks prevent pneumonia virus?
Can be used. The protective effect is better than single-use medical masks and medical surgical masks, carrying the virus droplet nuclei to particulate matter in the air, particulate matter protective masks and medical protective masks to block the ability to be comparable to that can be used in crowded places of self-protection.
4, how to choose a mask for small children?
It is not recommended that children wear adult masks, most protective masks may not be able to effectively close with the child's face, resulting in protection failure. It is recommended to choose a protective mask that complies with the GB2626-2006 KN95 standard and is labeled as suitable for children or teenagers, and carefully check whether the mask is suitable for the wearer's face when purchasing. Parents should pay attention to assisting children to wear and use the mask. Infants and young children can not wear masks, easy to cause suffocation.
V. How to put on and take off the mask correctly?
The wearing and use of masks should be based on product instructions in strict accordance with the protocol, can refer to the National Health and Health Commission recommended video. You can refer to "The correct way to wear a protective mask and how to check the air tightness of the mask"
As daily protection, the public, if not exposed to confirmed or suspected cases, only need to change the mask when it is dirty, damaged, has an odor, or when resistance rises and causes difficulty in breathing. Make sure your hands are clean when wearing and removing the mask, and store it in a dry, clean, ventilated area if you plan to reuse it.
Six, masks can be cleaned, disinfection?
Ordinary masks cannot be cleaned, heated or sterilized. Cleaning and disinfecting methods usually result in a reduction in the protective performance of the mask. For full face or half face masks, usually with replaceable filter elements, these respirators can be cleaned or disinfected according to the product instructions, but cleaning of the filter elements is not allowed.