Polyethylene can be used for film, packaging, bags, piping, industrial applications, containers, food packaging, laminates, and liners. It is high impact resistant, low density, and exhibits good toughness and good impact resistance. It can be used in a wide variety of thermoplastics processing methods and is particularly useful where moisture resistance and low cost are required.
HD-PE is a polyethylene thermoplastic. HD-PE is known for its large strength-to-density ratio. Although the density of HD-PE is only marginally higher than that of low-density polyethylene, HD-PE has little branching, giving it stronger intermolecular forces and tensile strength than LD-PE. The difference in strength exceeds the difference in density, giving HD-PE a higher specific strength. It is also harder and more opaque and can withstand somewhat higher temperatures (248°F (120°C) for short periods, 230°F (110°C) continuously). HD-PE is used in a wide range of applications.