What are the specifications of non-woven masks
Masks are used more and more in daily life. In order to protect their health, people will choose masks to protect their health when they travel. However, there are many types of masks and their fabrics are also different. Flat masks can be divided into different types. It is: cotton masks, non-woven masks, polymer masks, activated carbon powder filter core masks, activated carbon fiber felt masks, etc. For manufacturers, in addition to understanding the types of masks, they also have to understand the material and specifications of the mask cloth. Because of this, the editor today uses non-woven masks as an example to tell you about the specifications and specifications of non-woven masks. His strengths and weaknesses. Specific data specifications of non-woven masks:
1. The size of the center part of the rectangular mask after unfolding: the length is not less than 17cm, and the width is not less than 17cm.
2. The size of the close-fitting arched mask: the transverse diameter is not less than 14cm, and the longitudinal diameter is not less than 14cm.
3. The nose clip is made of bendable plastic material, and the length is not less than 8.5cm.
4. The size of the three-layer non-woven fabric mask is 17.5mmx19.5mm.
There are two types of non-woven masks, one is made of pure cotton absorbent gauze or knitted fabric with various non-woven fabrics in the middle; the other is directly made of non-woven fabrics of. And now the latest product is that the surface and the back are both non-woven materials, with a layer of filter paper in between, so that the filtering effect of the non-woven mask can be improved. The advantages of non-woven masks can be seen from it.
What are the advantages of non-woven masks? The main reason why non-woven masks are favored by people is that they have the following advantages: good air permeability, non-woven fabrics have better air permeability than other fabrics, if filter paper is mixed in the non-woven fabric, its filterability It will be better; at the same time, non-woven masks have higher thermal insulation properties than ordinary masks, and their water absorption and waterproofing effects are good; in addition, non-woven masks have good stretchability, even if they are stretched left and right, they will not appear unkempt. It feels good and it is very soft. Even if it is washed many times, it will not harden under the sun. Non-woven masks are highly elastic and can return to their original shape after long-term use.
In addition to the above advantages, non-woven masks also have certain disadvantages: compared with other woven masks, non-woven masks have lower strength and durability, and are not easy to clean. If they are not treated properly, they are prone to tearing. Under normal circumstances, the use of non-woven masks is generally one-time use.