Ключевые слова: background, batch, chemical, chemistry, color, composite, compound, design, engineer, ethylene, extrusion, holding, industry, oil, particle, petrochemical, pile, plant, plastic, polyethylene, polymer, polymers, polypropylene, polystyrene, product, pvc, raw material, recycle, research, reuse, science, substance, technology, texture, thermoplastic, transparent, trash, waste,