About: http://webisa.webdatacommons.org/286729759

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	Accordingly, a material such as tetrafluoroethylene-propylene copolymer ,(sold under the trade name Teflon FEP), having a refractive index of 1.33, can beused as the potting material.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com