About: http://webisa.webdatacommons.org/156002955

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	It is known to prepare polyurethane foam by the reaction of polyisocyanate, a polyol and a blowing agent such as a halogenated hydrocarbon, water or both, in the presence of a catalyst.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com