Assertion: polypropylene | /r/HasProperty | raw material
Facets:
Source sentences:
text: Crews were divided to work 12-hour shifts to continue production around the clock for polypropylene, a raw material needed to make N95 masks, medical gowns, sanitary wipes and other protective gear, WPVI-TV in Philadelphia reported.
text: Polypropylene (PP) is a raw material designed to provide many benefits not offered by conventional poly bags.