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The classification of masks

Release time: 2021-02-09

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The classification of masks

Sort by shape:

According to the shape of the mask, there are three types: flat type, folding type and cup-shaped. Flat masks are easy to carry, but have poor adhesion; folding masks are easy to carry; cup-shaped breathing space is large, but not convenient to carry.

 

Classified by wearing style:

Head-wearing style: suitable for workshop workers who wear it for a long time, and it is troublesome to wear.

Ear-wearing style: easy to wear, suitable for frequent wearing and taking off.

Neck-wearing style: Use S-hooks and some soft material connectors. The connecting ear straps are converted to neck straps. It is suitable for long-term wear and is more convenient for workshop workers such as wearing helmets or protective clothing.

 

TP311 Face Mask


Classified by materials used:

Gauze masks: There are still some workshops using gauze masks, but the GB19084-2003 standard that they follow is low and does not meet the GB2626-2019 standard, and can only protect against large particles of dust.

Non-woven masks: Disposable protective masks are mostly non-woven masks, mainly physical filtration supplemented by electrostatic adsorption.

Cloth masks: Cloth masks only have the effect of keeping warm without filtering out the effect of very small particles such as PM.

Paper mask: suitable for food, beauty and other industries, with good air permeability, easy to use and comfortable, etc. The paper used follows the GB/T22927-2008 standard.

Masks made of other materials, such as new biological protective filter materials.

 

KN95-KM1095 Face Mask


Classified by scope of application:

Medical masks: There are three types in China, general medical masks, medical surgical masks, and medical protective masks.

Particulate protective masks: industrial use conforms to the GB2626-2019 standard, special labor protection products safety mark certification (LA certification), in 2015 from compulsory certification to voluntary certification. If it is used to prevent smog, it needs to use the insert type, which must meet the GB/T32610-2016 standard. Civilian use complies with GB/T32610-2016 standard.

Warm cloth masks: Warm masks, suitable for winter wear, only need to meet the relevant standards of fabrics.

Other special industries: such as chemical industry.

 

GLT01 Face Mask


According to protection level:

Different countries and different industries have formulated different standards, which are divided into different protection levels according to different particle filtration efficiency, which will be described in detail in the standard section.

 

Other masks:

Respiratory protective masks can be divided into filter type and isolation type. Filter type can be divided into air supply filter type and self-priming filter type. The latter can be divided into half mask and full mask; isolation type can be divided into air supply type and air-carrying type. The two types include positive pressure and negative pressure respectively.


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