What are the types of masks? What should you pay attention to when selecting different types of masks in ? Masks are a type of respiratory protective equipment designed to prevent the spread of certain respiratory infectious microorganisms and protect physical health. There are various types of masks. Different masks have different protective effects. Different application environments require different protection options according to the environment. Face mask.
Next, the editor of Shenwan will briefly introduce the types of masks and the requirements for choosing masks in different environments. I hope it can help you choose masks.
According to the shape, they are classified into flat, foldable and cup-shaped
The advantage of flat masks is that they are easy to carry, but the disadvantage is that they are less tight.
foldable masks are easy to carry and have good sealing properties.
Cup-shaped masks have the advantage of large breathing space, but are inconvenient to carry.
Depending on the wearing method, there are head-mounted, ear-mounted, and neck-band styles.
Head-mounted masks are suitable for workshop workers who wear them for a long time, and are slightly troublesome to wear.
Ear-worn masks are easy to wear and suitable for application environments where they are often put on and taken off.
Neck-worn masks use S hooks and some soft material connectors to connect the ear straps and convert them into neck straps, which are suitable for long-term wear and are more convenient for workshop workers wearing safety helmets or protective clothing.
are divided into disposable medical masks, medical surgical masks , medical protective masks
1 according to the scope of use. Disposable medical masks can be used for one-time health care in ordinary medical environments, with the lowest level of protection. Or the filtration efficiency requirements for particles and bacteria are lower than those of medical surgical masks and medical protective masks.
2, medical surgical masks are suitable for basic protection of medical personnel or related personnel, and to prevent the spread of blood, body fluids and splashes during invasive operations. The protection level is medium and has certain respiratory protection performance. Medical surgical masks can prevent medical staff from being infected, and can also prevent microorganisms carried by medical staff in their exhalation from being directly discharged, posing a threat to patients undergoing surgery. Medical surgical masks require a bacterial filtration efficiency of more than 95%.
3, medical protective mask is suitable for medical personnel and related staff to protect against airborne respiratory infectious diseases. It is a kind of tight self-priming filter medical protective equipment with high protection level, especially suitable for diagnosis and treatment activities. Wear it when in contact with patients with respiratory tract infections that are spread through the air or through droplets at close range. Medical protective masks must comply with the GB19083-2003 "Technical Requirements for Medical Protective Masks" standard.
According to the classification of mask materials, they are divided into gauze masks, non-woven masks , cloth masks, paper masks
1, and gauze masks: Some workshops still use gauze masks, but they follow the GB19084-2003 standard and have lower requirements. Can protect against large particles of dust.
2, non-woven masks Disposable protective masks are mostly non-woven masks, which mainly use physical filtration supplemented by electrostatic adsorption.
3. Fabric masks only have the effect of keeping warm and have no effect of filtering very small particles such as PM.
4, paper masks are suitable for food, beauty and other industries. They have the characteristics of good air permeability, easy and comfortable use, and the paper used follows the GB/T22927-2008 standard.
According to the mask grade classification standard, it is divided into 90, 95, and 100
Different countries and different industries have formulated different standards. They are divided into different protection levels according to different particle filtration efficiencies. They can be divided into three protection levels, namely:
1, Level 90 means the filtration rate is ≥90%
2. Level 95 means the filtration rate is ≥95%
3. Level 100 means the filtration rate is ≥99.97%
. Protective masks include anti-virus masks
1. The filtering type can be divided into air supply filtering type and automatic type. Suction filter type, full mask and half mask.
2. The isolation type can be divided into air supply type and air carrying type, including positive pressure type and negative pressure type.
Protective masks should be selected to suit the use environment and your own wearing requirements. Medical trauma masks can only be used once and cannot be reused. .After the protective mask becomes wet, it should be replaced in time. If the medical mask is contaminated by the patient's body fluids, blood, etc., it must be replaced in time.Every time you wear a medical mask to work, you should check the tightness and check the front and back of the protective mask.
The above is about the types of masks and the requirements for selecting different types of masks. I hope it will be helpful to you.
