SMS nonwoven fabric is a high-performance material manufactured through a combination of Spunbond and Meltblown technologies. The acronym SMS represents the three-layer Spunbond-Meltblown-Spunbond structure, where outer spunbond layers provide strength and the middle meltblown layer delivers superior filtration and barrier properties.
Material Composition & Manufacturing
Polypropylene (PP) serves as the primary material, selected for its durability, lightweight characteristics, and moisture resistance. The manufacturing process combines:
Spunbond Process: Outer layers created through extrusion of polypropylene into fine filaments, providing structural strength and integrity
Meltblown Process: Middle layer formed by blowing molten polypropylene into ultra-fine fibers, creating dense filtration capabilities
Bonding: Layers are thermally or pressure-bonded to achieve optimal strength, softness, and barrier performance