Ohun elo TPU jẹ polyurethane thermoplastic, eyiti o le pin si polyester ati polyether. Fiimu TPU ni awọn abuda ti o dara julọ ti ẹdọfu giga, elasticity giga, resistance to ga julọ ati resistance ti ogbo, ati pe o ni awọn abuda ti o dara julọ ti aabo ayika, ti kii ṣe majele, imuwodu imuwodu ati antibacterial, biocompatibility, bbl