Assertion: polymer | /r/HasProperty | strong
Facets:
value: to be dense
type: PURPOSE
Source sentences:
text: For example, if a polymer chain comprises tightly twisted bonds between monomers that are difficult to break, the polymer likely will be strong and tough.
text: The polymers are linear and are strong.
text: Polymers tend to be dense, strong, and flexible.
text: In general, polymers with glass transition temperatures above room temperature (approximately 20° C or 70° F) are strong and rigid, while those below are typically elastomers.