About: http://webisa.webdatacommons.org/17997874

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	Possible materials include inorganic glasses such as silicon dioxide and plastics such as polymethymethacrylate and fluoroacrylates.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk