Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Change in the mechanical properties after accelerated weathering and polyethylene (PE) content correlation; changes in flexural strength (a) and modulus (b) after freeze-thaw cycling test, and tensile strength (c) and modulus (d) after 500 h xenon-arc light weathering.
