polyethylene
most common thermoplastic polymer
Mylar
brand of a polyester film
high-density polyethylene
class of polyethylenes
ultra-high-molecular-weight polyethylene
chemical compound
low-density polyethylene
polymer
cross-linked polyethylene
strong polymeric material
expanded polyethylene
closed-cell polyethylene foam made from non-crosslinked, low-density polyethylene (LDPE) resins