About: http://webisa.webdatacommons.org/314700276

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 estimated because, if the bulk specific gravity is too low, voids (gaps) between particles are too large, and the liquid absorbing speed of absorbing liquid such as ink becomes slow.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au