About: http://webisa.webdatacommons.org/138180214

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 foamable material is foam by using a known foaming agent or blowing agent such as azodicarbonamide, 4,4-oxybisbenzene sulfonylhydrazide, dinitroso pentamethylene tetramine or NaHCO3.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com