What is HDPE packaging and where is it commonly used?

HDPE, or high-density polyethylene, is a strong, chemical-resistant plastic widely used to manufacture rigid packaging such as bottles, jars, and jerry cans. It is commonly used for chemical, agrochemical, automotive, and household products, as well as certain food and pharmaceutical containers, due to its durability and broad chemical compatibility.

HDPE is valued in packaging because it combines meaningful impact strength with good chemical resistance across a wide range of substances, meaning it can safely contain many solvents, acids, and household or industrial chemicals that would degrade less resistant plastics over time. It also offers reasonable UV stability, making it suitable for products stored or transported outdoors, and it is available in both natural translucent and pigmented opaque forms depending on whether product visibility or light protection is needed.

Common applications include jerry cans and drums for chemicals, agrochemicals, and automotive fluids such as motor oil and lubricants, where the combination of chemical resistance and structural strength is essential; bottles and containers for household cleaning products and detergents; and, in food-grade formulations, containers for dairy and certain food products where HDPE’s inertness makes it suitable for direct food contact. HDPE is also the standard material for hazardous goods containers requiring UN certification, since its combination of chemical resistance and impact strength meets the demands of that certification process. Its recyclability as a widely accepted plastic in most recycling streams is an additional consideration for brands with sustainability goals.