About: http://webisa.webdatacommons.org/120697877

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 the case of many polymers, especially the polyesters including PEN, PET and copolymers including PEN and/or PET, a third regime develops in which the index of refraction increases at a much slower rate with respect to the draw ratio.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com