Because the scavenging polymer is built into the film, the scavenging
components trap oxygen that can slowly migrate into the film from the
package headspace or from the environment. The film can be used with existing equipment, because it does not
require an activation step. The scavenging polymer is invisible to
metal detectors, allowing processors to use metal detection systems
after the product is packaged. Designed for oxygen sensitive products and products with a long shelf
life, Freshness Plus™ active barrier films do not require moisture to
activate the scavenging reaction and are equally effective with wet or
dry products.
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