High Density Polyethylene (HDPE)

Two major types of PE are in use in the films and flexible packaging sector – LDPE (Low Density) used generally for trays and heavier duty film such as long-life bags and sacks, poly tunnels, protective sheeting, food bags etc. and HDPE (High Density) which is used for most thin gauge carrier bags, fresh produce bags and some bottles and caps.

Produced in fits and starts in the 1930s in the United Kingdom, HDPE production really took off in the 1950s in the U.S. and has skyrocketed in popularity,