From the plastic food packaging that extends the shelf life of snacks to the durable bottles that hold cleaning supplies to the solvent-resistant cases that preserve and protect cosmetics, plastic packaging is a critical part of innovation and growth in consumer products and other industries.
Manufactured by converting thermoplastic and thermosetting resins through a number of production methods, plastic packaging is used to protect goods during transit and storage.
There are many forms of plastic packaging, which can be rigid or flexible. Examples include bags, bottles, jugs, clamshells, trays, cartons, baskets, containers, cases, plastic film packaging, and tubes.1 To produce those many forms, converters use a mix of blow molding, plastic injection molding, rotomolding, and extrusion processes.
High-density polyethylene (HDPE Resin), metallocene linear low-density polyethylene (mLLDPE, and linear low-density polyethylene (LLDPE Resin) are among the most widely used polymers in the plastic packaging market due to their many desirable traits, which include strength, durability, chemical resistance, light weight, and cost-effectiveness.
HDPE is used to make milk jugs and bottles for consumer products and also has numerous non-packaging applications, from trash bins to medical devices. mLLDPE and LLDPE are some of the most popular polymers in the packaging films segment, with applications including stand up pouches, frozen food packaging, and produce bags.2
Shell Polymers will be manufacturing HDPE, mLLDPE and LLDPE at its state-of-the-art Monaca, Pennsylvania plant, slated to open in 2022. Shell experts will also collaborate with converters in the new facilities, helping to troubleshoot production, select resins, and launch new product lines.
The global plastic packaging market was valued at $348.1 billion in 2020 and is expected to grow at a CAGR of 4.2% from 2021 to 2028,3 led by food and beverage, pharmaceutical, and personal and household care applications.
Plastic food packaging has revolutionized the way people buy and consume food and beverages, offering longer shelf life, reduced food waste, and greater convenience. That spans from HDPE milk jugs that first emerged in the 1960s to modern plastic films, which can keep a cucumber fresh for nearly five times as long.4
Food and beverage sector growth has created converter demand and opportunities in new product areas, including lightweight flexible packaging that’s portable and convenient to use, and transparent packaging, which protects and preserves meats and other fresh foods while allowing consumers to inspect their quality and appearance.
The desirable characteristics of polyethylene also make it a good fit for converters making personal care and wellness product packaging, which protects shampoo, cosmetics, dish soaps and laundry detergents from contamination and can be formed in unique shapes and colors to attract consumers.
Converters that want to experiment with new products can leverage the application hall at Shell Polymer’s new plant, where they can run trials on commercial-scale injection molding and extrusion blow molding machines and avoid having to sacrifice production capacity in their own facilities.
Converters and brands face pressure from consumers and brands to provide packaging that is more sustainable and less wasteful.
Once again, HDPE, mLLDPE, and LLDPE offer converters a leg up in meeting customer demands.
Polyethylene products are highly recyclable and are often more energy-efficient and cost-effective to manufacture and transport, due to the heavier weights of other materials.
For example, a 10-gallon beverage container can be produced with just two pounds of plastic. Making a container of identical volume with other materials would require:
Plastic packaging can also be recycled through a process called pyrolysis. This waste-to-chemicals technology transforms plastic waste that’s tough to recycle into a recycled feedstock (pyrolysis oil) that can be used to make sustainable chemicals.
In 2021, Shell took a 21.3% equity stake in a pyrolysis initiative known as BlueAlp. We aim to use one million tonnes of plastic waste a year in our global chemicals plants by 2025.
Shell is also working with industry, government and nonprofit organizations that have pledged a combined $1.5 billion to reducing plastic waste in the environment over the coming years.
Shell is applying the principles of a circular economy – reducing waste and increasing reuse and recycling – across our businesses and supply chains. Shell has committed to increasing the amount of recycled plastic in our packaging to 30% by 2030.
There are several significant ongoing or emerging trends expected to impact the plastic packaging industry over the coming years, including:6
The industry and technical experts who work in Shell Polymers’ new Pennsylvania plant are committed to converters’ business success and can work collaboratively with customers to adapt to the challenges and opportunities that these trends present.
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