What are the filter materials of the face mask?
The filter material of a good protective mask has a high filtration efficiency when the mask is in good contact with the user’s face. The breathing resistance is small and the user feels comfortable. There are many kinds of materials for the filter materials of dust-proof masks. Including ordinary fabrics, animal hair, non-woven fabrics, etc. Very popular in the national standard is an activated carbon felt material.
The structure of the gauze mask has poor adhesion to the human face. Many small particles that are extremely harmful to us will enter the respiratory tract to the lungs through the gap between the mask and the face. Its filter material is generally some mechanical fabrics. The only way for this kind of filter material to achieve high dust resistance efficiency is to increase its thickness. The negative effect of increasing the thickness is to make the user feel that the breathing resistance is great and feel uncomfortable. The non-woven fabric that has undergone electrostatic treatment can not only block large dust particles. Moreover, the electrostatic charge attached to the surface can absorb the fine dust through electrostatic attraction, achieving a high dust resistance efficiency. However, the thickness of the filter material is very thin, which greatly reduces the user’s breathing resistance and feels comfortable. So as to achieve the three necessary conditions for a good filter material we mentioned earlier. With a good filter material and a scientifically designed mask structure, it constitutes an efficient and high-quality mask.
