About: http://webisa.webdatacommons.org/225081718

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	The mean particle size is between 1 and 6 ??m, in particular 2 and 5 ??m, particles having a spherical shape, as described in EP-A-0 236 945 and DE-A-38 01 535, being particularly suitable.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com