Assertion: polypropylene | /r/HasProperty | a core material
Facets:
Source sentences:
text: Polypropylene is a core material in many advanced plastics (modified for better properties) like BOPP and TPO.
text: Enhanced physical properties allow polypropylene to be the core material in most demanding applications such as films, fibers, tapes, sheets, thermoforming, injections, and blow molding .
text: Polypropylene is a core material in