Mask FAQ

Why is the mask not sealed?

A: the standard of mask does not require sealing for packaging.

What is the benefit of respirator with breathing valve?

A: respirator valve is suitable for the relatively sultry environment. When exhaling, it will be more ventilating. The suction and breathing valve will automatically close without affecting the use effect. It is suggested that the user is the person with higher requirements for comfort and large activity.
Is there any difference in the level of mask protection?
A: Yes, the certification standards of different protection levels of masks are different. N95 is the American test standard, Kn90 and kn95 are the protection standards in China, FFP2 and ffp3 are European protection standards. The specific comparison is as follows: ffp3>ffp2=n95=kn95>kn90, the higher the protection level, the better the filtering effect, but for PM2.5, it can be protected.
Is kn95 the same protection level as N95?
A: kn95 is one of the levels specified in Chinese standard gb2626-2006, and N95 is one of the levels specified in 42 CFR 84 of American Standard. The technical requirements and test methods of these two levels are basically consistent, but they are only the standards of different countries.
Can masks prevent secondhand smoke?

A: the protective mask can not completely protect the second-hand smoke. The high-efficiency particle proof mask with activated carbon can filter out most of the particles. However, due to the limited amount of activated carbon, the particles filtered into the mask are volatilizing continuously. For a person with enough sensitive smell, it will still feel delicious, It is possible to doubt the protective effect of the mask, and the most effective way to reduce the exposure of secondhand smoke is ventilation and ventilation.

Is it normal to wear the mask too tightly?
A: the protective mask itself is the function of protecting harmful substances. If it is not tight, it will leak, and the effect of use cannot be achieved. Therefore, it is not tight and unprotected. However, if it is too tight and uncomfortable, it is necessary to consider changing the size (if any), or selecting other style masks.
How does the mask taste?
A: the protective masks are made of non-woven fabric, which has no taste. The taste of masks is produced by ink jet and rubber band, but they are all made of high-quality raw materials, which will not affect human health.
How long can masks last?
A: masks can be reused. If the environment is different, if it is dirty, it should be replaced in time. When used for non oily particle protection, the cumulative use time shall not exceed 40 hours, or the cumulative use time shall be 30 days from the beginning, whichever is earlier.
What is the difference between the particle proof mask?
Answer: the difference of the mask of particle proof material includes three aspects: first, the difference of protection level; The second is the difference of wearing methods (such as headband, ear belt, etc.); Third, the difference of style (if there is folding, one-piece molding).