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Masks are used more and more in life. To protect their health, people will choose masks to protect their health when traveling, but there are many types of masks and different cloths for masks. Flat masks can be divided They are: cotton masks, non-woven fabric masks, polymer material masks, activated carbon powder filter masks, activated carbon fiber felt pad masks, etc. For manufacturers, in addition to understanding the types of masks, they must also understand the materials and specifications of mask cloths. Between this, the editor today takes non-woven masks as an example to talk about the specifications and specifications of non-woven masks(). His advantages and disadvantages.
Specific data specifications of non-woven masks:
1. The size of the center part of the rectangular mask after unfolding: length is not less than 17cm, width is not less than 17cm.
2. The size of close-fit arch mask: the horizontal 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, the length is not less than 8.5cm.
4. The size of the three-layer non-woven mask is 17.5mmx19.5mm.
There are two types of non-woven masks. One is made of cotton-free absorbent gauze or knitted fabric, and the middle is a variety of non-woven fabrics; of. And now the latest variety is that the surface and the back are non-woven materials, and a layer of filter paper will be sandwiched between them, so that the filtering effect of the non-woven mask can be improved. It can be seen from the advantages of non-woven masks.
What are the advantages of non-woven masks? The reason why non-woven masks are favored by people is mainly because they have the following advantages: good ventilation, non-woven fabrics have better ventilation than other fabrics, if there is filter paper mixed in the non-woven fabric, its filterability It will be better; at the same time, the thermal insulation of non-woven masks is higher than that of ordinary masks, and its water absorption and waterproof effects are good; in addition, non-woven masks have good elasticity, and even if they are stretched left and right, they will not appear messy. It feels good and is very soft. Even if it is washed many times, it will not harden when exposed to the sun. Non-woven fabric masks have great elasticity 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 cloth masks, non-woven masks have poor strength and durability, and are also not easy to clean. If they are not properly cared for, they are prone to tearing. Under normal circumstances, the use of non-woven masks is generally one-time use.