<http://webisa.webdatacommons.org/133404609>	<http://www.w3.org/ns/prov#value>	"Blowing agents are well known in the art and the particular blowing agent selected usually depends on such matters as cost, resin and density desired." .
<http://webisa.webdatacommons.org/133404609>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/133404609>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/306845750>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/133404609> .