Why mask testing Is popular to test for protection against dust particles sized 0.3 or 0.6 microns?
There are many reasons, why masks that have received various standards, such as NOISH (USA), EN149:2001+A1:2009 (Europe), GB 2626-2006 (China), are therefore commonly tested at droplets size 0.3 microns or 0.6 microns:
In this article we will talk about the US NIOSH standards. That is mainly tested with 0.3 micron sized droplets, which is half the size of 0.6 micron droplets.
Filtration efficiency: 0.3 micron droplets are so small they are almost invisible to the naked eye. This size of droplets is 8 times smaller than PM2.5 dust and 200 times smaller than a human hair. These small droplets can easily penetrate into our respiratory system and lungs. Noish's test on droplet size 0.3 microns ensures that Noish can effectively filter out these small, harmful droplets.
Industry standards: Many industry standards require noish to be tested at 0.3 micron droplets. For example, NIOSH's N95 standard requires noish to filter at least 95% of 0.3 micron droplets. Testing for noish at 0.3 micron particles makes it easier for operators. According to factories or general users, you can be confident with NOISH standards.
User Health: Inhaling small droplets can have a negative effect on our health. These droplets can cause respiratory diseases such as asthma and bronchitis, or if they are toxic dust. It may cause serious diseases such as lung cancer. Therefore, people who are concerned about their health Always choose masks that are certified to reliable international standards.
User confidence: Continuing from the above point, NIOSH is a standard that is accepted around the world. There is a standardized testing laboratory. and actually exists As a result, there are more and more people believing in using masks certified to NIOSH standards.
You can purchase genuine NIOSH standard masks here:
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