About: http://webisa.webdatacommons.org/442793074

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Such films may be non-porous or porous (the latter including films that are mechanically perforated) where the presence and degree of porosity is selected according to desired performance characteristics.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr