Select the correct use of masks and，Effective protection of personal safety
MasksIs a hygienic supplies，Refers generally worn for filtering air entering the nose and mouth of the snout，Block harmful gases in order to achieve、odor、Droplets out of the wearer's nose and mouth appliances，Made of paper or gauze。Common standards for N95、Medical grade、Care Level、Time disposable masks
Masks have some filtering effect of air into the lungs，inRespiratory diseasesWhen popular，When working in contaminated environments like dust，Wear a mask with a very good role。
Now install the new crown spread of viral pneumonia in the country，Now we can only start from prevention to wear masks。
The difference between the three most common protective mask -
- N95Masks : "N" refers to a non-protective oily suspended particles without time limit。"95" refers to the NIOSH standard test conditions，Filtration efficiency 95%，Chinese standard KN95。The masks used in occupational respiratory protection，Some particles including microorganisms(Such as viruses，bacterial，Mold and other)。Its most prominent feature is a droplet infection can be prevented by the patient's body fluids or blood spatter caused。
Medical protective masks: Suitable for respiratory diseases and associated medical personnel staff through airborne protection，Adhesion is a self-absorption filter medical protection products，High degree of protection，Especially for clinical activities through airborne contact or close range when wearing respiratory tract infection disease spread through droplets。Particles in the air can be filtered，Barrier droplets、blood、body fluid、Droplet secretions, etc.，One-time use products。Respirator can prevent most bacteria、Viruses and other pathogens，WHO recommends the use of protective masks anti-medical staff particulate matter，To prevent hospital infection in the air。
- Disposable masks: Is made of a nonwoven fabric and two layers of filter paper；Disposable masks three layers are used by professional non-woven fiber layers within health care,An intermediate layer of a functional filtration increase of 99% or more bacteria solution was filtered welded by ultrasonic spraying, Nasal bridge using environmentally friendly plastic strip,Does not contain any metal,Equipped with vapor permeability，Cozy。 Filtering effect B.F.E up to 99% ；Disposable masks activated carbon surface is non-woven fabric 28 g、The first intermediate layer is a bacteria filter for filtering bacteria from of 99% to the paper，Bacteria play a role，Prevent the virus from harm；The second intermediate layer is made efficient use of new adsorption、Filter material - activated carbon fiber、Made of activated carbon cloth，It has anti-virus、Odor-resistant、Filter bacteria、Dust resistance and other effects。
For good respirator filter，Should meet the following requirements ~
- In a good adhesion to the user's face mask with a high filtration efficiency
- Respiratory resistance
- Users feel comfortable。There are a variety of categories dust mask filter material，General fabric comprising，Animal hair，Non-woven fabrics, etc.。On the national standard is a very popular activated carbon felt material
When to replace the mask ~
- Masks or contaminated, such as bloodstainedsplashAnd other foreign matter
- Users in breathing resistance is increased
- Masks damage
- Cotton dust filter，In a good adhesion to the face mask where the user，When the user feels very large breathing resistance，Description has been attached on the full cotton filter dust particles，It should be renewal of the
- Antivirus cartridges，In the case where the user mask door good adhesion，When the user smell the toxic taste，In respect of renewal of the。
- Normal wear masks around 2 hours need to be cleaned，Prior to use water immersion cleaning 5-8 minutes。Activated carbon mask is generally used 2 days，n95 can be one week。After cleaning masks for a long time if not wearing，Or to re-wash it is better to wear。
