Original ResearchPublished 6 October 2026Technological factors of formation of the structure of highly filled sand-polymer composites based on regenerated thermoplastic resinAlexandra Berg · Alexandr Skaskevich · Vitali Haiduk · Andrey Berg · Olga Zharkevich · Asset Altynbaev · Damir Ashimbaev · Ilyas SerikbayevFrontiers in Mechanical Engineeringdoi 10.3389/fmech.2026.1860534