About: http://webisa.webdatacommons.org/326752716

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 blowing agent typically comprises a gas such as nitrogen, carbon dioxide, Freon or pentane which is dissolved with the plastic material in the extruder under conditions of elevated temperature and pressure.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au