Plastics - materials consisting of synthetic polymers (man-made and non-naturally occurring) or modified natural polymers and modifying additives such as, for example, powder or fibrous fillers, thermal stabilizers, UV stabilizers, flame retardants, anti-static agents, foaming agents, dyes, etc. The term "plastics" functions in addition to commonly used colloquial terms, e.g. plastic. The strictest term covering all materials containing as the main component of the polymer, without distinction whether it is of artificial or natural origin, is the term "polymeric materials".