Food-use certified packaging: what to ask your supplier

Food-contact suitability is not a badge a company wears. It is a statement about one article, made of one material, used under stated conditions: what food it touches, at what temperature, for how long. The same paper can be entirely appropriate against a dry ambient product and inappropriate against a hot, fatty one. So “are you food-certified?” cannot honestly be answered with a yes.

The narrower question gets a useful answer. Name the article, name the food, name the conditions on your line, then ask what documentation exists for that combination. A supplier who answers per article and per grade is telling you something. A supplier who answers “at company level” is telling you nothing you can rely on when someone audits you.

Toreto holds FSC Chain of Custody certification, FSC-C227420, issued by SGS. It certifies that the fibre in the packaging comes from responsibly managed forests and is tracked through the supply chain. It is a sourcing and traceability certificate, it is worth having, and it can be verified by its number.

It is not a food-contact certificate and must never be presented as one. Chain of custody says nothing about what may migrate from a material into food. The two are conflated routinely in paper packaging sales. If somebody hands you an FSC number in answer to a food-contact question, your question has not been answered.

For a material intended to touch food, the paperwork that counts is a written declaration from the supplier covering the exact article: what it is, what it is made of, what it is intended to touch, under what conditions, and any restrictions or limits that apply. It is specific, dated and signed, and behind it sits test evidence held by whoever issued it.

Ask for it by article and grade, not by product family. Ask which conditions it covers, who issued it and when, and whether anything about the article has changed since. A declaration that names a different grade, or that predates a specification change, is not evidence about the material standing in your warehouse.

Suitability is judged against conditions of use, so the conditions have to be stated before anything can be confirmed. Dry, moist, acidic and fatty foods behave differently at the interface, and fat in particular pulls substances out of materials that are stable against a dry biscuit. Temperature and time change it again: brief contact at ambient is not the same as hours held warm, and neither is a hot fill.

Direct and indirect contact are separate cases too. Packaging that touches food is assessed differently from packaging outside a sealed inner bag, though “there is a bag in between” is not automatically a defence; it depends on whether that inner layer genuinely stops anything crossing. Write down the real conditions on your line, including the worst case rather than the typical one.

The evidence behind a food-contact declaration is normally migration testing: measuring how much of what is in the material can transfer into food, or into a liquid standing in for food, under stated conditions. The result is valid for those conditions and that material only. A test run cold, dry and brief tells you nothing about warm, fatty and long.

And the article is more than its base material. Inks, varnishes, adhesives, coatings and recycled fibre can each carry substances of their own, so the question is about the finished article as supplied, not the fibre it started as. This is where the gap usually is: the paper was fine and nobody asked about the print or the glue.

The business placing the food on the market carries responsibility for the packed product. Supplier documentation supports that position; it does not transfer it. That is why buyers who take this seriously keep the paperwork per article, filed against the specification it was issued for, and request it again whenever a grade, a supplier or a source changes.

Build the check into change control rather than into onboarding. Most food-contact problems found after the fact are not deliberate. They come from a specification that quietly moved while the certificate stayed where it was, and nobody read the two side by side.

Name the article and the contact conditions on your line, and ask for the position in writing. Where an article is intended for food contact, that means documentation for that article and that grade. Where it is not, you will be told so plainly, which is more useful than a yes that comes apart at an audit.

What Toreto holds, and states clearly, is the FSC Chain of Custody certificate, FSC-C227420, for responsible fibre sourcing. It is a good certificate for the question it answers, and it is not the one to cite if your product touches the packaging. A supplier who offers it as a food-contact answer has told you how the rest of their paperwork is kept.