About: http://webisa.webdatacommons.org/12136384

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	In a preferred embodiment, barrier 50 comprises polyurethane, but also may consist of a type of rubber, latex, or other material.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es