Assertion: polypropylene's strength | /r/HasProperty | superior
Facets:
value: to low or high density polyethylene
type: OTHER
Source sentences:
text: It has a lower impact strength, but it's working temperatures and tensile strength are superior to low or high density polyethylene.
text: This low cost plastic is often compared to high density polyethylene (HDPE), although it has lower impact strength, Polypropylene has superior tensile strength and working temperature.