Assertion: rubber | /r/HasProperty | polymer
Facets:
value: like plastic
type: OTHER
Source sentences:
text: Like plastic, rubber is a polymer, which is a chain of repeating units called monomers.
text: Natural rubber is a polymer which is made from the sap collected from this rubber tree.
text: Because rubber is a polymer, it has been combined with various materials to diversify its uses.
text: Neoprene and natural rubber are both polymers, although neoprene is synthetic.