About: http://webisa.webdatacommons.org/326862662

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 inclusion of too much styrene in the most preferred composition, i.e. greater than about 3% by weight will result in a loss of strength in the finished lens, because styrene is a single vinyl group monomer.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es