About: http://webisa.webdatacommons.org/113503414

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 fluorspar is added in powdered form with a mesh size of -100, or about 150 microns or less and makes up about 2-7%, preferably about 3-5% and especially about 3-4% by weight of the total mixture.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au