LIGHT-WEIGHT SPUNBONDED NON-WOVEN WITH PARTICULAR BARRIER PROPERTIES
Disclosed is a spunbonded nonwoven made of polyolefin filaments having a titer <1.6 dtex, the spunbonded non-woven having a surface weight = 18 g/m<SUP>2</SUP>, a water impermeability of < 15 cm, measured in cm of a water column, and an air permeability of at least 230 m<SUP>3</SUP>/(m<SUP>2</SUP>.min), wherein the product of air permeability and surface weight is = 5000 g/(m.min).