About: http://webisa.webdatacommons.org/404787870

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	Mixtures of reinforcing agents, e.g. carbon black and silica, are also useful.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com