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Printing inks and migration: The challenges of printing onto food and cosmetic packaging

Printing inks and migration: The challenges of printing onto food and cosmetic packaging

Author: Lindsay Merwald/Friday, April 29, 2016/Categories: Industry News - Industrial

(Quoted from Daniel Gadner & Inprint Industrial Print Blog. Full article here.)
Materials that come in contact with sensitive contents must fulfill strict legal requirements to guarantee the safety of foods or cosmetics and, in turn, consumers´ health and wellbeing. This includes provisions governing the transfer of substances from the FCM into the food or cosmetic product. This transfer of substances (migration) is only permitted in quantities that do not endanger human health, change the food´s composition or negatively impact the food´s organoleptic characteristics (like taste or smell).

The risk of substances migrating from the printed to the unprinted side of a so-called „contact material“ into the content like foodstuff or cosmetics must be considered before the conformity of a material can be estimated.

There are different types of migration:

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