Technical datasheet
Eastman Tritan™ Copolyester MX731
Supplied byEastman- Last Updated on Apr 17, 2025
Eastman Tritan™ Copolyester MX731 by Eastman is a high flow medical grade copolyester.
It is clear, amorphous and possesses excellent toughness and hydrolytic stability.It also offers good heat and chemical resistance and good color stability upon ETO and gamma sterilization.
It has good melt flowability and viscosity reductions of 40-50% relative to Eastman Tritan™ Copolyester MX711.
It can be used for injection molding applications.
It is used in medical devices such as IV Components.
Eastman Tritan™ Copolyester MX731 has been tested for FDA/ISO 10993 and USP Class VI Biological Evaluation testing after Gamma and ETO sterilization.
It is clear, amorphous and possesses excellent toughness and hydrolytic stability.
| Bio Based content | Visible After Login |
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Compliance
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Applications
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Applications
Conversion mode
Availability
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Eastman Tritan™ Copolyester MX731 properties
Mechanical properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Elongation at Break | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Elongation at Yield | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Flexural Modulus | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Flexural Strength | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Hardness, Rockwell | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Impact Strength, Notched Izod | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Impact Strength, Unnotched | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Modulus of Elasticity | 0.0 Visible After Login | Visible After Login | Visible After Login |
Optical properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Haze | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Transmittance, Visible | 0.0 Visible After Login | Visible After Login | Visible After Login |
Other properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Tensile Strength at Yield | 0.0 Visible After Login | Visible After Login | Visible After Login |
Physical properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Linear Mold Shrinkage | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Specific Gravity | 0.0 Visible After Login | Visible After Login | Visible After Login |
Thermal properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Heat Deflection Temperature (HDT), Unannealed | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Heat Deflection Temperature (HDT), Unannealed | 0.0 Visible After Login | Visible After Login | Visible After Login |
Eastman Tritan™ Copolyester MX731 Processing Guidelines
Injection Molding Processing Guidelines
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Drying Temperature | Visible After Login | Visible After Login | |
| Drying Time | Visible After Login | Visible After Login | |
| Melt Temperature | Visible After Login | Visible After Login | |
| Mold Temperature | Visible After Login | Visible After Login | |