What are the technical properties of paper-based food packaging?
Barrier properties is one of the main questions that comes to mind when it comes to food packaging. Metallized paper is a paper-based monomaterial that has been vaporized with a microscopically thin layer of aluminium to offer comparable barrier properties to many multi-layer alternatives. Metallized butter wrap, for example, has a grease resistance (GR) level equivalent to KIT9 and prolongs the shelf-life, color and visual appeal of the product, while being fully recyclable.
Moisture emissivity and heat retention
More people are ordering food to go as a result of the 2020 health crisis, which means that restaurants and dark kitchens are in need of packaging that ensures food stays crisp and warm. Metallized food wrap does just that by offering strong heat retention and moisture emissivity properties, enabling delivery of food in perfect condition and eliminating the non-recyclable materials usually associated with takeaway meals.
Converting and printing processes
Switching to more sustainable packaging materials can be a daunting prospect for companies, who are understandably concerned about disruption to existing processes. Metallized paper, however, can be converted and printed using conventional machinery, meaning that manufacturers can continue to work with their usual partners.
A major concern for consumers and regulators alongside sustainability is the possible health implications of food contact materials. Our metallized food packaging is fully compliant with European Commission and FDA regulations and food contact safe certified. Companies can therefore rest assured that their customers’ health is protected, while cutting down on surplus packaging: paper-based chocolate wrap, for example, is suitable for food contact and can be printed upon directly, eliminating the need for an extra paper sleeve.