About: http://webisa.webdatacommons.org/199211750

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	For materials having a firing temperature of 1000??? C. or higher, a mean grain size of 0.01 to 50 ??m, especially 0.1 to 20 ??m is preferred.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com