3M8247CN dust mask is just a common name, and its more formal name is 3M8247CN organic vapor odor-proof and particle-proof mask. According to the certification of the National Institute of Occupational Safety and Health, this product can be used for the protection of oily and non-oily particles, but when it is used for oily particles, the use time should not exceed 8 hours.

Function of 3M8247CN dust mask

It can also be used to protect solid particles, such as those produced during the processing of ore, coal, iron ore, cotton, flour and other substances. It is suitable for spraying liquid non-oily particles that do not emit harmful steam. Its designated protection coefficient is 10, which can be used to protect dust and smoke whose occupational exposure limits concentration is less than 10 times or as stipulated by local laws and regulations.

At the same time, the mask has the function of reducing the odor of organic vapor, and can be used to protect some organic vapor odors produced in petrochemical, chemical, printing, electronics, processing and manufacturing industries. And the concentration is lower than that of occupational exposure limits.