About: http://webisa.webdatacommons.org/90646649

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	e and their mixtures with up to about 5% by weight of the other metal oxides, especially tin dioxide.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com