About: http://webisa.webdatacommons.org/354038251

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	Consequently, it is preferred that the median particle size (d50) of the extender is below 12 ??m, preferably below 10 ??m, more preferably below 6 ??m, in particular below 4 ??m, especially below 3 ??m.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com