About: http://webisa.webdatacommons.org/41511800

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	In addition, the second optical layers can be formed from polymers and copolymers such as polyesters and polycarbonates.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es