date:Apr 10, 2013
ng the inked external layer in contact with the inner layer of the cup immediately underneath. As a result, ink molecules migrate towards the inner layer, which will eventually be in contact with the food. In this case, the most critical step regarding chemical risk is with no doubt storage, Vitrac explains youris.com.
The first task of the project team has been to build a database of materials used for packaging to document their molecular content. Now, they are measuring the diffusion speed o