About: http://webisa.webdatacommons.org/130738844

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	A ring 90 formed from a rigid material such as alumina or polymeric material extends around the periphery of the film.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com