Formosa Plastics Corporation, U.S.A. Rounds Out Portfolio of Polyethylene Products with the Start-up of Low-Density Polyethylene Unit June 9, 2021 by tagonline Home » Formosa Plastics Corporation, U.S.A. Rounds Out Portfolio of Polyethylene Products with the Start-up of Low-Density Polyethylene Unit Formosa Plastics Corporation, U.S.A. (Formosa) is announcing the start-up of the low-density polyethylene (LDPE) unit at their facility in Point Comfort, Texas. The LDPE unit joins the high density polyethylene (HDPE) and linear-low density polyethylene (LLDPE) units already in operation.