https://www.efunda.com/glossary/materials/polymers/thermoplastic_elastomers--polyurethane--polyester_compound--molding_and_extrusion_compounds_low_and_medium_hardness--482.cfm
eFunda: Glossary: Materials: Polymers: Thermoplastic Elastomers: Polyurethane: Polyester Compound
thermoplastic elastomerspolyester compoundglossarymaterialspolymers