It is used by high-density polyethylene in the manufacture of (natural gas pipes - milk containers - detergent bottles - food product cans - garbage baskets)

And also the low density of it is used in the manufacture of GR hose - nylon bags - greenhouse linoleum

HDPE is stiffer than other types of polyethylene, and is heavier and stiffer when compared to Low Density Polyethylene (LDPE).