A new development in polyethylene terephthalate (PET)-based jar packaging offers a clear, lightweight and sustainable alternative for use with hot-fill products, according to its manufacturer.
Graham Packaging says that its new multilayer PET jar can be used in a variety of applications for the packaging of hot-fill products such as pasta sauces, salsas and fruits in the place of glass.
Lightweight demand
Group vice president Paul Bailie said that the company had developed the packaging in a bid to meet processors demands for a lightweight jar that was also clear, unbreakable and offered a longer shelf life.
Graham Packaging claimed that the jars can be hot-filled between a temperature range of 195 and 205 degrees Fahrenheit.
"Our multilayer design allows us to provide the lightest-weight jar that enables the longest shelf life," he stated. "The container increases shelf life beyond 12 months, up to 18 months with certain products."
To meet demands for these benefits, the company said that jar was designed to incorporate the company's SurShot multilayer product as well as its jar blow molding technology.
Bailie claimed that this combination ensured that the jar could meet shelf life requirements of processors at a more affordable cost.
In addition, the jar can also be designed into a variety of shapes and configurations from round or rectangular, to more specialist forms with a wide-mouth finish of up to 82 millimetres, the company said.
Sustainability
Graham Packaging also believes that using the jar can offer a number of environmental benefits over similar packaging.
As an example of these sustainability benefits, a processor can make a weight reduction in their packaging of up to 87 per cent on an annual order of 50m jars, compared to when using glass, according to the packager.
Graham Packaging claims that these savings are equivalent to the elimination of 962 delivery truckloads a year for food manufacturers.
The jar itself is constructed out of recycled material, with the oxygen barrier designed to be attachable from the PET during the recycling process. The company says that the SurShot multilayer barrier has also been classed as recyclable by Container Recycling Europe (PETCORE).
Graham packaging has offices in both the US, South America and Europe.
Source: foodproductiondaily
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