Membrane composed of a polyamide layer and a polysulfone layer on a polyethylene terephthalate support layer with:
 
-a total thickness of 0,25 mm or more but not more than 0,40 mm,
 
-a total weight of 109 g/m² or more but not more than 114 g/m²

Tariff preference
condition:B,certificate:9081,action:26|condition:B,action:06