SHEET HAVING HIGH WATER VAPOR PERMEABILITY

摘要

Sheet that has a moisture vapor transmission rate (MVTR) of at least 100 g/m2.day measured according to ISO 12572B at 1 bar, 23 °C and 85 % relative humidity and that contains a film of a polymer composition containing a polar thermoplastic elastomer, a hindered amine light stabilizer (HALS) and or a UV absorber and an aromatic amine radical scavenger. The sheet suitable to be used as a roofing membrane.