piece of plastic piece of plastic foam 2021-05-04T13:42:05Z Plastikschaumstück Schaumstoffstück A piece of plastic which has a matrix- or sponge-like structure with numerous, hollow internal spaces. Depending on the type of plastic used and the organisation of the foam, a piece of plastic foam can show elastic properties (even if the plastic it is made out of does not have elastic properties). envoPlastics