About: http://webisa.webdatacommons.org/18347535

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 or butadiene); a pigment for example clay, calcium carbonate, silica, or a synthetic aluminosilicate; and, optionally, a dispersant for the pigment material.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com