About: http://webisa.webdatacommons.org/247115597

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	Syringe plunger tips or pistons typically are made of a compressible, resilient material such as butyl rubber, because of thevulcanized rubber's ability to provide a seal between the plunger and interior housing of the syringe.
http://www.w3.org/ns/prov#wasQuotedFrom	patentgenius.com