The invention relates to a spun-bonded nonwoven fabric made of polyolefin filaments having a titer<1.6 dtex, the spun-bonded nonwoven fabric having a basis weight≦18 g/m2, a waterproofness of <15 cm measured as a water column, and an air permeability of at least 230 m3/(m2·min), wherein the product...http://www.google.es/patents/US7919420?utm_source=gb-gplus-sharePatente US7919420 - Lightweight spun-bonded nonwoven fabric having special barrier properties
Lightweight spun-bonded nonwoven fabric having special barrier properties
