About: http://webisa.webdatacommons.org/131094779

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	An oxide or hydroxide of divalent metal, such as oxides or hydroxides of calcium, mangnesium, lead, zinc, etc. can be used as a cross-linking aid, depending upon the desired purpose.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com