About: http://webisa.webdatacommons.org/453201981

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	The back layer is formed of a binder such as PVA and a filler such as calcium carbonate.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com