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Barrier tests proves plastic to be almost as effective as glass
14 September 2009
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Superfos has conducted barrier tests that showed plastic can be as effective as glass.
One of the tests is sealing red cabbage in a SuperFlex container with barrier labels, membrane and a membrane lid.
The vegetable kept its color and freshness for 27 months.
With ordinary plastic containers, red cabbage usually turns brown after four months.
Other tests show that products, which are usually contained in glass packaging such as marmalade, pickles and beetroots, are able to stay fresh inside a Superfos container for more than 18 months without losing their color and taste.
“These test results prove that plastic packaging is able to compete with glass. So far, shelf life has been the biggest hurdle for converting from glass to plastic, but now new options arise for our customers,” says Lars Skjold Frederiksen, Superfos.
“They are able to optimize their production because the empty packaging does not take up as much space in stock and there is no risk of broken glass in the product. Manufacturers are also able to reduce CO2 emissions from transport because of the weight reduction and better pallet utilization.”
One of the tests is sealing red cabbage in a SuperFlex container with barrier labels, membrane and a membrane lid.
The vegetable kept its color and freshness for 27 months.
With ordinary plastic containers, red cabbage usually turns brown after four months.
Other tests show that products, which are usually contained in glass packaging such as marmalade, pickles and beetroots, are able to stay fresh inside a Superfos container for more than 18 months without losing their color and taste.
“These test results prove that plastic packaging is able to compete with glass. So far, shelf life has been the biggest hurdle for converting from glass to plastic, but now new options arise for our customers,” says Lars Skjold Frederiksen, Superfos.
“They are able to optimize their production because the empty packaging does not take up as much space in stock and there is no risk of broken glass in the product. Manufacturers are also able to reduce CO2 emissions from transport because of the weight reduction and better pallet utilization.”
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