additivemeans a substance which is intentionally added to the plastic to achieve a physical or chemical effect during processing of the plastic or in the final material or article and it is intended to be present in the final material or article, including substances in a solid state the surface of which becomes bonded to the polymers that constitute the plastic.’;
reprocessing of plasticmeans the remelting, mixing, reacting or otherwise processing of plastic materials that result as a by-product from an intermediate or final manufacturing operation in the manufacture of plastic materials and articles, alone or combined with material originating from other manufacturing operations, by applying, if necessary, transfer and operations to make the use of these by-products possible again.