About: http://webisa.webdatacommons.org/366743988

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	One solution to the use of CFC blowing agents in preparing polyurethane foams has been to use alternative blowing agents such as carbon dioxide and hydrochlorofluorocarbon (HCFC) blowing agents.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com