About: http://webisa.webdatacommons.org/101713058

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	Foamed polyurethane and polypropylene are also excellent, and other materials such as the vinyls (vinyl polymers and copolymers) and trifluorochloroethylene polymer may be employed.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au