About: http://webisa.webdatacommons.org/223879300

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	Examples of such materials are formaldehyde-crosslinked gelatin used in photographic films, or polyhydroxyethylmethacrylate crosslinked with ethylene glycol dimethacrylate as used in many hydrogel contact lenses.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au