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TRIEL® is a thermoplastic polyether ester elastomer that offers excellent chemical resistance, thermal resistance, weatherability and low temperature flexibility. TRIEL® is a block copolymer based on a PBT polyester hard segment and an aliphatic ether ester soft segment. TRIEL® is used in automotive applications such as blow molded ducts, damper boots, airbag covers, hose and tube and windshield wiper blades. Other applications include medical devices, semiconductor trays, electronics, wire & cable and hose and tubing and gaskets for food containers.