About: http://webisa.webdatacommons.org/401269960

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 shell or coating on the aggregates may have a thickness wherein the thickness of the shell is about 0.2 to about 1.5 ??m, for example about 0.3 to about 1.2 ??m or from about 0.5 to about 1 ??m.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr