Eastman Tritan Copolyester MX731 is an amorphous product with excellent appearance and clarity. Eastman Tritan Copolyester MX731 is a high flow medical grade of Eastman Tritan that has viscosity reductions of 4-5% relative to Eastman Tritan Copolyester MX711. Eastman Tritan Copolyester MX731 contains a mold release derived from vegetable based sources. Eastman Tritan Copolyester MX731 has many outstanding features that include excellent toughness, hydrolytic stability, heat resistance, chemical resistance, and melt flowability. Eastman Tritan Copolyester MX731 has been formulated for medical devices. Eastman Tritan Copolyester MX731 has been tested for FDA/ISO 1993 and USP Class VI Biological Evaluation testing after Gamma and ETO sterilization.