Cov yam ntxwv zoo ntawm cov thermoplastic polyurethane elastomers yog cov hnav tsis kam, zoo heev ozone kuj, siab hardness, siab zog, zoo elasticity, qis - kub tsis kam, thiab zoo tiv taus roj, tshuaj, thiab ib puag ncig. Hauv qhov chaw ntub dej, qhov kev ruaj ntseg hydrolytic ntawm polyether - hom esters deb tshaj li ntawm polyester - hom esters.
