About: http://webisa.webdatacommons.org/81033576

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	????????Some of the sharp rise is due to feedstock costs, but the biggest factor is supply and demand.
http://www.w3.org/ns/prov#wasQuotedFrom	chemweek.com