1. Generally speaking, acupuncture cotton is made of polyester fiber with high strength and good resilience as the main raw material. In addition, it has strong wear resistance, stable chemical properties, non-toxic and tasteless. A very environmentally friendly material.
2. Hot air cotton also uses polyester fiber as raw material, but the production process is different from that of acupuncture cotton. It is made by hot air process, which is quite different.
3. The characteristics of this kind of cotton are stable quality, large dust holding capacity, long service life, economical durability, etc. In addition, it can also improve the wearing comfort.
4. The production process of hot air cotton is cotton blending - opening - finishing - laying - hot air setting and cool air setting.
5. The production process of needle-punched cotton: opening - mixing - carding - laying net - pre-punching - main needling - spraying - drying - rolling.
6. Generally speaking, both of them are used in the production of N95 masks and are the two most widely used materials.
7. It should be noted that hot air cotton is a non-cleanable filter cotton, and acupuncture cotton is a washable filter cotton, which can generally be cleaned two to three times.
