How to Deal with Used Masks?
- May 26, 2020
- Hits: 49
Healthy people wearing masks for more than 4 hours will get their masks wet or dirty with secretions and their protective performance will decline. The mask should be replaced immediately after it is ...
Researchers Are Designing Face Masks With An External Enzyme Membrane
- May 19, 2020
- Hits: 32
According to the media BGR, US researchers are developing a mask that can kill SARS-CoV-2 virus upon contact. Researchers from the University of Kentucky are studying an outer facial mask la...
Under What Circumstances Must One Wear a Mask When Temperature Rises
- May 15, 2020
- Hits: 26
As the weather gets hotter, people have been very concerned about whether to wear masks or not. There is a principle here that it is not necessary to wear masks in well ventilated areas. As ...
Are Chinese Standard Face Masks Equivalent to European Ones?
- May 07, 2020
- Hits: 75
Recently, the official website of the Health and Youth Care Inspectorate (IGJ) announced that, in order to ensure adequate supply of personal protective equipment and medical devices du...
The Physical Size of Coronavirus (COVID-19) and Various Microorganisms
- Apr 04, 2020
- Hits: 66
The Physical Size of Coronavirus (COVID-19) and Various Microorganisms Microorganism (common name or disease) Physical Size (μm) Hepatitis virus (Hepatitis B) ...
Face Mask Standard Class Filter Efficiency: China, America, European Union
- Apr 04, 2020
- Hits: 297
Face Mask Standard Class Filter Efficiency: China, America, European Union China GB2626-2006 KN95 Masks equal to N95, FFP2 Masks. Country / Region Standard Classification F...
Are Sterile Masks More Practical
- Mar 24, 2020
- Hits: 29
No. Sterile masks mean that the new unopened masks are bacteria-free. But people themselves are carriers with bacteria on our skin, in the nasal cavity and mouth. Once we wear the mask, it gets infect...
Do Masks Claimed Anti-bacteria Have More Effect
- Mar 24, 2020
- Hits: 16
Not really. There are two main factors in determining the respiratory effect of masks on preventing pathogenic microorganisms in the air, one is the filtering efficiency of particulate matter, and the...
The Difference Between Children Masks And Adult Masks
- Mar 24, 2020
- Hits: 40
To help ensure protective effect, the mask must fit snugly over the wearer's face. Adults’ protective masks are not specifically designed and manufactured for children and have not been eval...
Can The Protective Mask Be Washable And Disinfected
- Mar 24, 2020
- Hits: 19
Particulate protective masks (sometimes called disposable masks) cannot be used after cleaning and disinfection, because the cleaning and disinfection usually lead to the decrease of filtration effici...
How Long Can The Disposable Protective Mask Be Used
- Mar 24, 2020
- Hits: 38
It is necessary to replace the masks when it is polluted, damaged or result in difficult breathing due to increased resistance. Factors affecting the life of a mask include damaged nose clips, loose h...
Does Masks With An Exhalation Valve Prevent Viruses
- Mar 24, 2020
- Hits: 55
The function of the exhalation valve is to reduce the exhalation resistance of the protective mask. The reason why medical protective masks do not allow an exhalation valve is that an open exhalation ...
Need A Medical Mask To Protect Against Viruses
- Mar 24, 2020
- Hits: 194
Medical protective masks, approved by government, are designed to protect medical workers in a specific medical environment. Both medical protective masks and ordinary N95 protective masks have respir...
Why Can Particulate Masks Filter Viruses
- Mar 24, 2020
- Hits: 87
Particle masks are designed to reduce the wearer's exposure to suspended particulate matter in the air. The pathogenic microorganisms (such as pathogenic bacteria or viruses) in the air are also p...
What Kind Of Disposable Protective Masks Against Viruses
- Mar 24, 2020
- Hits: 39
It is recommended that N95, approved by NIOSH, and European FFP2 or other alternative respirators of equivalent protection level, should be used for medical personnel who are vulnerable to virus in so...
The Difference Between Surgical Mask & N95 Respirator
- Mar 20, 2020
- Hits: 37
The Difference Between Surgical Mask & N95 Respirator Difference Surgical Mas...