Low density polyethylene (LDPE) resin, designated with the #4 resin identification code (RIC), Low-density polyethylene (LDPE) resins are used to produce a range of general-purpose and high-performance applications, which include blown and cast film, extrusion and coating, and rotational and injection molding. The clear or translucent plastic exhibits flexibility, chemical resistance, and waterproofing capabilities. It is used in the manufacture of a wide range of products, including grocery bags, plastic wrap and film, flexible packaging material, and injection molded parts.