About: http://webisa.webdatacommons.org/352796134

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	Materials of the powdered refractory filler include, but are not limited to, cordierite, zircon, tin oxide, niobium oxide, zirconium phosphate, willemite, mullite, and other materials.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com