Riteflex® thermoplastic polyester elastomer (TPE-ET)

Available from Celanese Corporation
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Thermoplastic elastomers represent an ingenious combination of hard and soft segments so as to provide many of the desirable properties of thermoset elastomers with the processing ease of thermoplastics. Riteflex elastomer products combine toughness, tear and flex fatigue resistance with the ability to perform over a wide temperature range of -40° C to +121° C (-40° F to +250° F).

Their chemical relationship to the other members of Ticona’s polyester family not only gives Riteflex elastomers their temperature capability, but also provides them with the excellent chemical resistance of polyesters to common solvents, oils and greases and dilute acids and bases.

Riteflex polyester elastomers are available as unreinforced polymers in a wide range of Shore D hardnesses. In general, the harder versions have enhanced heat and chemical resistance, while the softer materials possess good low-temperature mechanical properties. The range of properties available from Riteflex elastomers is reflected in the diversity of applications in which these versatile materials have been used - hose, tubing, seals, gaskets, belts, pump diaphragms, wire coatings, hooks, fasteners, film, sheet, nonwovens and monofilaments, to name some of the more outstanding.

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