<http://webisa.webdatacommons.org/170871229>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.es> .
<http://webisa.webdatacommons.org/prov/296789568>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/170871229> .
<http://webisa.webdatacommons.org/170871229>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/170871229>	<http://www.w3.org/ns/prov#value>	"Where required, a chemical blowing agent, an antistatic agent and/or a flame retardant agent or other additives may be used to enhance specific properties." .