If we are producer of masterbatches and compounding, in which part of the chain are we and how affected are we by the EU regulations?

The producer of masterbatches is an ingredient supplier (see also next Q&A). If for compounding you mean to add additives to resins to obtain a plastic you are a converter in my language and you have to perform tests and provide declarations of conformity (DoCs). Unfortunately the legislator does not always use the same terminology as industry and, then, a misunderstanding is possible. ... more