About: http://webisa.webdatacommons.org/22985766

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 protective film 258 is made of an inorganic material such as Al2O3 or SiO2.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca