About: http://webisa.webdatacommons.org/280833451

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 materials used for separators are roughly divided into non-metallic materials such as graphite and carbon and metallic materials.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com