Ключевые слова: agent, background, beads, chemical, chemistry, color, colorant, coloring, dye, dyed, element, extrusion, factory, grain, granulate, granules, hdpe, heap, industrial, industry, injection, lab, laboratory, ldpe, material, particle, pattern, pellets, pet, petrochemical, pigment, plastic, polyethylene, polymer, polymeric, polypropylene, polystyrene, production, raw, recycling, regranulate, research, resin, science, substance, technology, thermoplastic, tinted, white,