It is a kind of non-woven fabric that belongs to hot air cotton non woven fabric. Hot air non-woven fabrics are used in short fiber carding, using drying equipment to pass through the fiber network on hot air, so that heat can be generated through the bonding of non-woven fabrics. The spunbond hot air cotton is extruded and stretched to form continuous filaments, and the filaments are laid into a network, and then the fiber network is formed by self-bonding, thermal bonding, chemical bonding or mechanical reinforcement. Non-woven fabrics. Spunbond fabrics are long fibers, but they are made of plastic sheets. Hot air non-woven fabrics: have the characteristics of high looseness, good elasticity, soft hand feeling, strong heat preservation, good air permeability and good water permeability .But it has low strength and is easy to deform.
Spunbond nonwoven: it is made by heating and pressing rollers after being spun directly from macromolecular particles without using fibers.It has excellent mechanical properties , such as tensile strength, elongation at break and tear strength. Its thickness is very thin, but its softness and air permeability are not as good as hot air non-woven fabrics. So the surface layer of a good diaper is generally the use of hot air non-woven fabric.
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