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Global packaging equipment company Ulma Packaging has launched a new system which extracts air from bags of frozen product without the need for perforations.

The Tight-Bag was developed on Ulma's vertical wrappers as a way of preserving the quality of the product by optimising the required volume of the bags.

At the volume optimisation level, Ulma says it has the same advantages as traditional systems that perforate the bags – but in this case, since there are no perforations, there's no risk of contaminating the product.

The amount of air you can extract is adjustable from the operator control display.

Ulma has released a video to show the machine working with different types of frozen product:

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