How to choose anti haze mask in haze days
4hw.org: masks have become a necessary tool for people to travel in autumn and winter. In winter, the air is dry and there are many particles in the air, so it will be more comfortable to wear a mask to breathe. Secondly, influenza virus prevails in autumn and winter, so it is necessary to wear masks to prevent cold. Although the haze is under control now, it is still very dangerous in autumn and winter. Choose a safe and effective anti haze mask to protect your health.
1. Choose a certified haze mask. Check whether there are instructions for passing gb2626 test on the mask package, and if so, prove that the filtering effect is qualified. The melt blown filter cloth used in a domestic haze mask is certified by a professional organization, with kn95 protection level, which can filter 95% of the fine particles in the air with a diameter less than 0.3 μ M. the unique capillary structure and fine fiber of the melt blown filter cloth fiber increase the unit filtration area, and the melt blown filter cloth plays an irreplaceable role with its strong filtration performance.
2. Check whether the haze mask has independent packaging. Also read the product packaging instructions carefully. The concept, filtration principle and added value of active anti haze are indicated and explained in detail on the package and instruction manual for consumers' reference.
3. Choose the particle and haze mask. Choose a three-dimensional design mask, because the three-dimensional design mask is more suitable for people's face shape. Active anti haze mask humanized 3D three-dimensional design, fit face, good tightness, better anti haze effect.
In addition to the filtering effect of materials on PM2.5, there are two key factors for haze mask:
1. Whether it is close to the face. Whether there is air leakage around the nose and chin, and the haze prevention effect of the mask with poor face sealing is greatly reduced.
2. Whether breathing is smooth. If the exhalation is not smooth, there will be a significant sense of suffocation, water vapor will increase, and friends with glasses will cause glasses to fog! The active anti haze mask adopts a patented design breathing valve, which opens when exhaling, quickly exhausts moisture and heat, reduces the resistance of exhalation, and solves the problem that the traditional mouth mask cannot achieve low resistance of respiration, high filtration, and smoother respiration, even if it is worn for a long time.
In the late autumn, because of the haze from time to time, let's enjoy the beautiful scenery of leaves in the fog. It's really foggy! So, people who still like to travel outdoors will choose to wear anti haze masks. In recent years, anti haze masks emerge in an endless stream. How to choose a mask for yourself has become a problem. It doesn't matter. The labor protection network here tells you the key points of choosing haze mask, mastering these key points and choosing the right haze mask, so as to protect your breathing health.