PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Metal Sheet / Foil Metal foil tapes have aluminum, aluminum-reinforced, and lead backings Plastic / FRP Plastic products incorporate one or more plastic layers, or consist of plastic film or sheets that can be clear or colored, printed or plain, single-layered or multilayered, and combined with materials such as aluminum and paper.
http://www.w3.org/ns/prov#wasQuotedFrom
  • globalspec.com