A solid material which contains as an essential ingredient one or more high-molecularmass polymers and which is formed (shaped) during either manufacture of the polymer or the fabrication into a finished product by heat and/or pressure. Plastics have material properties ranging from hard and brittle to soft and elastic. Source: Amendment to the annex of the Protocol of 1978 Relating to the International Convention for the Prevention of Pollution from Ships (MARPOL), resolution MEPC.201(62), annex, “Revised MARPOL annex V”, regulation 1.13.

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