How to judge the quality of anti-static valve mask
In order to prevent respiratory pollution, and also to prevent pollution of breathing, anti-static valve masks are also popular in industrial production. However, as there are more and more anti-static valve masks, the quality has begun to be uneven. Choose a quality anti-static mask from the mask?
A simple criterion for a good-quality anti-static valved mask is whether it fits the face, and the simpler way to judge this is to wear glasses, wear a mask, and check if there is any fog on the lens. If so, just It means that the quality is not good; going deeper, the valve on the anti-static valved mask is to filter suspended particles, so the degree to which the anti-static valved mask can filter out suspended particles is also an important criterion for judging. The material of the static valve mask is determined. For example, the N95 anti-static mask can filter out 95% of the suspended particles in the air.
In addition, quality anti-static masks with valves will not make people feel suffocated after wearing, that is to ensure smooth breathing, quality masks can be separated from the face when worn to ensure smooth breathing. Can't.