Lutfullaev, Sadulla2025-12-032025-12-032022-05-1422181-1784https://dspace.kstu.uz/xmlui/handle/123456789/4213The article provides information on the types of mineral (inorganic) and organic fillers, methods of production, physicochemical properties and the role of these fillers in secondary polymer waste, the prospects for their widespread use in engineering.enMineral, fine, medium, monofilament, single crystal, metal, fiber, coke, graphite, flour, powder, synthetic, polymer, fluoroplastic, carbon blackArticle