SEMI PROCESSED PLASTICS WITH A BASE OF ORGANOSILICON COMPOUNDS AS SEMI-FINISHED PRODUCTS IN THE FORM OF FOILS, PLATES, RODS, PROFILES, HOSES, TUBES, BLOCKS; SEMIPROCESSED PLASTICS FOR USE IN SEALING, PACKING AND INSULATING MATERIAL; PLASTICS IN THE FORM OF BLOCKS, EXTRUDATES, SHEETS, FILMS, RODS, FLEXIBLE PIPES, FIBERS NOT FOR TEXTILE USE AND MOULDED BODIES FOR GENERAL INDUSTRIAL USE; THERMOPLASTIC SYNTHETIC RESINS FOR GENERAL INDUSTRIAL USE; SEALANTS FOR JOINTS; PLASTIC GASKETS FOR GENERAL I...