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发布时间: 2013 - 11 - 29
American Standard (NIOSH Standard)American standards divide masks into three categories:Class N is only used to protect non-oily particles (eg N95)R class for the limited time to protect both oily and non-oily particles (eg: R95)P class for a long time for the simultaneous protection of oily and non-oily particles (eg: P95)European Standard (EN Standard)The European standard stipulates that all masks must have the ability to protect both particles:FFP1 filtration efficiency greater than or equal to 80%FFP2 filtration efficiency greater than or equal to 94%FFP3 filtration efficiency greater tha...
发布时间: 2017 - 07 - 06
With the influenza A H1N1 influenza virus in more and more countries raging, professional demand for individual protective equipment surge, masks has become one of the many countries on the market tight stuff. What is the role of commonly used masks, N95 masks and what does that mean?At present there are four common masks. First, surgical masks. Made of three-layer non-woven fabric, suitable for use in the operating room environment, can block the diameter of about 4 microns above the particles. Second, activated carbon medical masks. Add activated carbon materials, the most important role is ...
发布时间: 2017 - 07 - 06
The current global epidemic of influenza A H1N1 influenza mainly through the respiratory tract, wearing a mask can effectively reduce the chance of infection. Experts teach you how to choose a trick to wear a mask.What types of masks are used in accordance with the use of ordinary masks, 4,6,8,12,16 layer gauze, printed with cartoon pattern 1-3 layer cloth masks, disposable non-woven masks, medical masks, dust masks, Activated carbon filter masks, N95 masks. In general, the residents will not be close contact with the patient, the use of 12-layer gauze masks can achieve a good protective effec...
发布时间: 2017 - 07 - 06
Because the bacteria of the atypical pneumonia are tenacious and are mainly transmitted by droplets and close contact, it is generally recommended to wear a 12-layer mask and a 16-layer mask is also common in pharmacies. If you wear a thick masks, will feel very oppressed, especially for a long time to wear, will make the nasal mucosa become fragile, lost the original physiological function of the nasal cavity, but may lead to other diseases.
发布时间: 2017 - 07 - 06
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