About: http://webisa.webdatacommons.org/6414107

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	In particular, electrically insulating materials are suitable as filling materials, such as quartz, translucent fused quartz, aluminum oxide and/or barium sulfate is in the form of powder in the sub-millimeter range.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com