About: http://webisa.webdatacommons.org/284594841

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	Alternative coating materials may also be used to substantially seal the pores of the ePTFE including perfluorinated alkoxy resins (PFA) and elastomeric materials such as silicones, polyurethanes and perfluorinated elastomers.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com