About: http://webisa.webdatacommons.org/149270091

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	In addition to each of the ingredients described above, additives such as surfactant and preservative can also be added to the abrasive composition for polishing magnetic recording disk substrates of the present invention.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com