Formula: (C2H4)n
Polyethylene is the most popular plastic in the world. This is the polymer that makes grocery bags, shampoo bottles, children’s toys, and even bullet proof vests. For such a versatile material, it has a very simple structure, the simplest of all commercial polymers.

Over 100 million tons of polyethylene resins are produced annually, accounting for 34% of the total plastics market. Its primary use is in packaging.