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This is the free Material Data Center Datasheet of Tritan™ MX731 - Copolyester - Eastman Chemical Co.

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Processing/Physical Characteristics - Mechanical properties - Thermal properties - Optical properties - Other properties - Processing Recommendation Injection Molding
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Product Texts

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 40-50% 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 10993 and USP Class VI Biological Evaluation testing after Gamma and ETO sterilization.




Processing/Physical CharacteristicsValueUnitTest Standard
ASTM Data
Mold Shrinkage, MD 0.006 mm/mm ASTM D 955
Mechanical propertiesValueUnitTest Standard
ISO Data
Tensile Modulus 1600 MPa ISO 527
Yield stress 44 MPa ISO 527
Yield strain 7 % ISO 527
Stress at break 49 MPa ISO 527
Strain at break 154 % ISO 527
Flexural modulus, 23°C 1500 MPa ISO 178
Flexural strength 60 MPa ISO 178
Izod notched impact strength, +23°C 83 kJ/m² ISO 180/1A
Izod notched impact strength 11 kJ/m² ISO 180/1A
Temperature -40 °C -
ASTM Data
Tensile Modulus 1575 MPa ASTM D 638
Tensile Strength at Yield 43 MPa ASTM D 638
Tensile Strength at Break 52 MPa ASTM D 638
Elongation at Yield 7 % ASTM D 638
Elongation at Break 210 % ASTM D 638
Flexural Modulus 1575 MPa ASTM D 790
Rockwell Hardness R 111 - ASTM D 785
Izod Impact notched, 1/8 in 860 J/m ASTM D 256
Izod Impact unnotched, 1/8 in N J/m ASTM D 256
Thermal propertiesValueUnitTest Standard
ASTM Data
DTUL @ 66 psi 94 °C ASTM D 648
DTUL @ 264 psi 81 °C ASTM D 648
Optical propertiesValueUnitTest Standard
ASTM Data
Haze 1 % ASTM D 1003
Light Transmittance 91 % ASTM D 1003
Other propertiesValueUnitTest Standard
Density 1180 kg/m³ ASTM D 792
Processing Recommendation Injection MoldingValueUnitTest Standard
Pre-drying - Temperature 88 °C -
Pre-drying - Time 4 - 6 h -
Melt temperature 260 - 282 °C -
Mold temperature 38 - 66 °C -
Characteristics
Processing
Injection Molding
Additives
Release agent
Special Characteristics
Heat stabilized or stable to heat, Transparent, Sterilizable, Ethylene Oxide (EtO) Sterilization, Gamma irradiation sterilization
Features
Amorphous, Color Stability, Copolymer
Chemical Resistance
General Chemical Resistance, Hydrolytically Stable, Radiation Resistance
Certifications
Food contact, Food approval FDA 21 CFR, Medical Grade, Biocompatibility ISO 10993, US Pharmacopeia Class VI Approved
Applications
Medical
Regional Availability
North America, Europe, Asia Pacific, South and Central America, Near East/Africa
Disclaimer
Copyright Altair Engineering GmbH. Altair Engineering GmbH assumes no liability for the system to be free of errors. The user takes sole responsibility for the use of this data under the exclusion of every liability from Altair Engineering GmbH; this is especially valid for claims of compensation resulting from consequential damages. Altair explicitly points out that any decision about the application of materials must be double checked with the producer of this material. This includes all contents of this system. Copyright laws are applicable for the content of this system.
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