Air-permeable substrate material with a self-adhesive coating, process for its production and its use

摘要

Carrier material having a self-adhesive finish and a hotmelt self-adhesive composition applied to the entire area of at least one side, characterized in that the thermoplastic adhesive composition is foamed and the product has an air permeability of at least 3 cm3/cm2/s for an amount applied of at least 20 g/m2.