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Glossary of Flexible Packaging Terms - International Plastics

Damper: Usually a pivoted gate or valve used to control the flow of air or other gases, as in the dryer. DDES: Acronym for Digital Data Exchange Specifications. Dead Fold: Stretch film sticking to itself during wrapping without the use of any additional heat sealing (i.e. – PVC films used in food wrapping have high dead fold).