Amcor develops PET jar for cold-fill dairy products

By Jenny Eagle contact

- Last updated on GMT

Danone’s La Serenísima’s yogurt. Photo: Amcor.
Danone’s La Serenísima’s yogurt. Photo: Amcor.

Related tags: Dairy, Yogurt, Argentina, Pet

Amcor has partnered with Danone to develop a PET (polyethylene terephthalate) jar for cold-fill dairy products.

The transparent 200ml PET jar consists of a wide-mouth opening and aluminum-PET-aluminum closure with a 65mm over cap in clear polypropylene (PP) was developed for Danone’s La Serenísima’s yogurt, sold in Argentina.

Market demand

Martin Darmandrail, new business development director, Amcor Argentina, said the yogurt market in Latin America continues to grow as companies develop products to appeal to health-conscious consumers.  

The company optimized the two-step reheat process to produce the wide-mouth jars using a Matrix blow-molding machine ­for high-volume yogurt containers.

In a market historically dominated by thermoformed PP and polystyrene containers, we’ve shaken things up with a yogurt package with the durability, freshness, performance, manufacturing, and sustainability benefits of PET,​” said Darmandrail.

The La Serenísima jar features engraving, a finely finished base, and a body-wrap label. To protect the contents, it has a 55mm finish with aluminum-PET-aluminum-foil barrier seal and an ultraviolet blocker.

In Argentina, Danone has launched La Serenísima Original-brand yogurt in six flavors (natural, natural sweetened, strawberry, blackberry, lemon and ginger, and sweet squash) and will extend commercialization of the product to the rest of Latin America.

Stork filling line

Danone has installed a Stork filling line and plans production rates of 40 to 50 million units per year.

Maximiliano Sassone, R&I director, Danone Argentina, said the design of La Serenísima Original, is inspired by the first yogurt made by La Serenísima 55 years ago, which revolutionized the category in 1963.

We select the ingredients, including milk from Argentine family farms, and pay respect to every step of the original process, creating a 100% natural product without preservatives, so our consumers can connect to their memories of the original product,​” he said. 

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