Processing of plastics in the form of a solid with individually closed cells; Molding and processing of plastics in the form of a solid with individually closed cells; Extruding of plastic in the form of a solid with individually closed cells; Material treatment of plastics in the form of a solid with individually closed cells; Molding of plastics in the form of a solid with individually closed cells; Extrusion molding of expanded polypropylene in the form of a solid with individually closed ...