About: http://webisa.webdatacommons.org/89387629

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	Open cell foams can be made from polystyrene, polyurethane, polyethylene, poly-(vinyl chloride) cellulose acetate, phenolformaldehyde and other materials such as cellular rubber.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es