I am new to this forum, but I already found some very interesting info and topics in here! An awesome addition to my bookmarks, that's for sure :-)
I have a question regarding migration tests. I recently transferred from food industry to packaging and I found myself in a whole new world, especially since there is no technician working here and I need to find out things pretty much on my own. The company manufactures plastic containers that are mostly meant for cosmetic and industrial products, but they now are selling the products to food customers as well. These customers obviously want to have DoCs and/or the results of migrations tests, but these are hardly performed at the moment, due to the costs involved. They have 1 test performed (in 2013, by an external lab) that had an overall migration limit for a mono-layer container and 1 test (2015, also an external lab) with specific migration limits for a multi-layer container. Both containers had a printed label attached to them.
I have always worked on the other end in this and didn't have to go in depth with migration tests before, so I'm kinda struggling here. My questions are (or at least for the moment ;-)):
- when do you need to have a lab test for the specific migration limits and when do overall specific limits suffice? I did check EC 10/2011, but I'm still not sure.
- our containers vary in size, but come from the same material (LDPE/HDPE); can the one container that was tested, represent our other containers as well?
- labels and prints vary of course, as these are specified by the customers. Do I need to take something about this into account as well?
- are ther any other subjects I might look into before compiling a DoC?
Thanks beforehand for your help and advice!