Assertion: rubber | /r/HasProperty | thermoplastic
Facets:
Source sentences:
text: Natural rubber is an elastomer and a thermoplastic.
text: Natural rubber is an elastomer and a thermoplastic.
text: Because there are few (if any) cross-links in the chains of rubber molecules, natural rubber is thermoplastic; that is, it becomes soft and sticky in summer and hard and brittle in winter.