Concentrates of substances in a polymeric carrier, namely, polymers, biopolymers, polymeric additives and biopolymeric additives for use in the manufacture of industrial products, consumer and household products, plastics, sealants, adhesives, lubricants and packaging; concentrates of antiblock and antistatic substances in the nature of anti-static preparations other than for household purposes and chemical additives for use in the manufacture of a wide variety of goods, concentrates of slip ...