About: http://webisa.webdatacommons.org/212475557

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	Grinding aids may be materials such as poly(vinyl chloride), potassium fluoroborate, and the like.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com