About: http://webisa.webdatacommons.org/187528971

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	Colloidal silica and alumina are available commercially from a number of suppliers including Nalco Chemical Company, Du Pont, and Vinings Industries, Inc.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com