The difference between spunbond nonwovens and hot air nonwovens

To judge the difference between spunbond nonwovens and hot air nonwovens, the first thing to understand is that spunbond is a non-woven production process, which refers to the extrusion and stretching of polymers to form continuous filaments. , the filaments are laid into a web, and the web undergoes a process of self-bonding, thermal bonding, chemical bonding or mechanical reinforcement. Hot air and hot-rolled non-woven fabrics are not spunbond processes. This process is thermal bonding, different from spunbonding.

Hot air non-woven is a non-woven fabric formed by using the hot air on the drying equipment to penetrate the fiber web after the fibers are combed, so that they are heated and bonded. It has the characteristics of high bulkiness, good elasticity, soft hand feeling, strong warmth retention, good air permeability and water permeability, but compared with the non-woven fabric produced by the spunbond process, the disadvantage of this process is that the strength is low and it is easy to deform. Therefore, the differences in the characteristics of these two processes have created their different uses. Spunbond non-woven fabrics are suitable for making non-woven handbags, with high strength and sufficient toughness. Hot air non-woven fabrics are suitable for baby diapers, disposable tablecloths, filtering, sound insulation and shock absorption materials. Because of its good elasticity and high bulkiness. You can judge according to the toughness and strength of the non-woven fabric in the future.

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