About: http://webisa.webdatacommons.org/309481238

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	The nondistensible portion 90 is preferably made of a silicone, although other materials such as polyurethane are acceptable.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com