plastic
http://purl.obolibrary.org/obo/FOODON_03500036
http://www.langual.org/langual_thesaurus.asp?termid=N0036
http://purl.obolibrary.org/obo/foodon.owl
FOODON:03500036
http://purl.obolibrary.org/obo/FOODON_03500051