The difference between spunbond nonwovens and hot air nonwovens1

Spunbond non-woven fabric: After the polymer is extruded and stretched to form continuous filaments, the filaments are laid into a web, and the web is then self-bonded, thermally bonded, chemically bonded or mechanically reinforced. Turn the web into a non-woven fabric. Spunbond nonwovens are long fibers but their raw material is plastic chips.

Hot-air non-woven fabric: It belongs to a kind of hot-air bonded (hot-rolled, hot-air) non-woven fabric. The fiber-permeable web is a non-woven fabric that is formed by being heated and bonded.

From the perspective of product advantages and disadvantages:

Spunbond non-woven fabric: it does not use fibers. It has excellent mechanical properties, excellent tensile strength, elongation at break, tear strength and other indicators, and the thickness is very thin, but the softness and air permeability are not as good as those of hot air non-woven fabrics.

Hot air non-woven fabric: It has the characteristics of high bulkiness, good elasticity, soft hand feeling, strong warmth retention, good air permeability and water permeability. But its strength is low and easy to deform.

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