About: http://webisa.webdatacommons.org/307854473

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	half-shells, pipes, sound-proof elements or moulded articles having a more complicated geometry, is in general between 0.02 and 0.5 g/cm.sup.3, preferably between 0.05 and 0.4 g/cm.sup.3, in particular between 0.08 and 0.3 g/cm.sup.3.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com