About: http://webisa.webdatacommons.org/186905940

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	However, the silica, or other fillers, must have a relatively fine particle size for achieving acceptable optical performance in conventional tube assemblies.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com