polypropylene fabric | What is the difference between meltblown cloth and non-woven fabric?

Although we often wear masks, we don't necessarily know what kind of cloth is used to make masks? Nowadays, the fabrics for making masks generally have meltblown fabrics and non-woven fabrics, so what is the difference between these two kinds of fabrics?
Some of this friend may have heard of non-woven fabrics. In recent years, non-woven fabrics have been used more and more widely because of their safety and environmental protection characteristics, and they are also loved by consumers. Meltblown fabrics are mainly used for making The raw materials of masks have gradually entered people's field of vision due to the impact of the new crown epidemic in the past two years.
1: The raw materials used are different. The main raw material for making meltblown cloth is polypropylene, and the raw materials for making non-woven fabrics are polyester fiber and polyester fiber, cotton and linen, rayon, etc.
2: The characteristics are different, because the meltblown cloth has more gaps, so the warp structure is fluffy, while the non-woven fabric has the characteristics of moisture-proof, breathable, environmental protection, and is non-toxic and odorless, and it is easier to decompose.
3: The application is different. Since the non-woven fabric has no warp and weft threads, cutting and sewing will be convenient. It is deeply loved by handicraft enthusiasts. Mainly used in disposable masks, disposable compressed face towels, packaging bags, home life and so on.
Nowadays, the disposable masks produced by many manufacturers contain three layers, and the meltblown cloth and non-woven fabric, the meltblown cloth should mainly play the role of bacterial filtration in the middle layer, and the surface non-woven fabric mainly plays the role of preventing droplets and large particles Dust enters, and the innermost non-woven fabric plays the role of new skin, breathable and smooth breathing.