About: http://webisa.webdatacommons.org/255834083

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	Among conventional resins commonly used in the art, a polycarbonate resin (PC) is particularly preferred, and it is also possible to use an acrylic resin having the above optical properties.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com