Greiner produces K3 recyclable paperboard-plastic combination packaging for plant-based yogurt and milk alternatives by Germany-based Harvest Moon; the cups in the combination packaging are made of 100% rPET, replacing virgin PP in previous packaging

Sample article from our Packaging Industry

March 23, 2022 (press release) –

German  company  Harvest  Moon  is  dedicated  to  producing  plant-based  yogurt  and  milk alternatives that are good for both consumers and society. Its products, which are all certified organic,  are  made  from  ingredients  that  stand  out  by  delivering  both  delicious  flavor and  a positive social impact – fair pay, decent working conditions, and great taste go hand in hand at Harvest Moon. Now the business is also taking a major step forward in terms of sustainable packaging, opting for cardboard-plastic combinations in which the cups are made of 100% r‑PET. These are produced by Greiner Packaging.

Greiner Packaging’s stated aim is to keep plastic circulating in the economy for as long as possible. To this end, the packaging specialists look to work together with their customers to create new packaging solutions that can be recycled themselves and, ideally, contain recycled material, too. This was also the declared goal of Harvest Moon, and the plastic cups in the new cardboard-plastic solutions for its fermented yogurt alternatives are produced from 100% r-PET, making them super sustainable. No virgin material is used at all, and the new cups significantly cut down on carbon emissions. “By switching  from virgin PP to r‑PET, we can reduce CO2  emissions by around 40%*,” explains Jan Srnka, sales manager at Greiner  Packaging.

Sustainable material

A sustainable plastic, r-PET (recycled polyethylene terephthalate) is lightweight, shatterproof, and free of plasticizers. Because the new cups are made from 100% recycled, unprinted r-PET 
monomaterial, they can be processed into 100% food-safe cups again and again as long as the appropriate collection streams are used. Recycling the cups requires less energy than using virgin material and produces less waste.

Sustainable packaging

But aside from the material used, cardboard-plastic combinations have a number of other sustainable properties. The cardboard wrap, which can be made from recycled material, lends sturdiness to the plastic  cup  so  that  it  can  be  produced  with  particularly  thin  walls.  This  wrap  is especially  easy  for consumers to detach from the cup thanks to a new, innovative tear-off system, with the two components then disposed of separately and recycled. Since the white or transparent plastic cup is unprinted, it can be recycled very effectively. In addition, the carbon footprint of K3® cups is significantly smaller than that of alternative packaging solutions.

Joint mission

“We want the work we do to benefit society. We have a real taste for doing good – and for us, that includes using sustainable packaging for our yogurt alternatives. In Greiner Packaging, we have found a  partner  that  can  fully  meet  our  expectations  in  this  regard  and  shares  our belief  in  eco-friendly cooperation,” says Lena Lembcke, marketing and brand manager at Harvest Moon.

Harvest Moon’s products are available from organic specialty stores and food retailers across Europe. And its new 100% r-PET cups from Greiner Packaging have been on the shelves since January 2022.

* Estimate based on the carbon footprint for the packaging material’s annual consumption figures. This includes production and the end-of-life phase but does not include the usage phase or transportation. The estimate may vary in response to changes in the underlying assumptions.

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Chelsey Quick
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