PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The unfused PTFE layer used as an adhesive may be substantially pure PTFE. The unfused PTFE may also contain substantial amounts (up to about 40% by weight) of metal, mineral, ceramic or carbonaceous fillers, such as talc or graphite.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com