| About |
|---|
| 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.&& |
| Product Description | |
|---|---|
| Supplier | Eastman |
| Material Status | Commercial: Active |
| Features | Good flexibility,Excellent Processability,Hydrolysis stability,Quick molding cycle,Good color stability,Good Clarity,Amorphous,Radiation disinfection,High liquidity,Ethylene oxide disinfection,High Heat Resistance,Solvent resistance |
| Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.18 | g/cm³ | ASTM D792 |
| Shrinkage rate | |||
| MD | 0.50 to 0.70 | % | ASTM D955 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | ISO 180 | ||
| 23℃ | No Break | ASTM D4812 | |
| 23℃ | 860 | J/m | ASTM D256 |
| -40℃ | 11 | kJ/m² | ISO 180 |
| 23℃ | 83 | kJ/m² | ISO 180 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed | 80.0 | ℃ | ASTM D648 |
| 0.45 MPa, unannealed | 94.0 | ℃ | ASTM D648 |
| optical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Transmittance | |||
| total | 91.0 | % | ASTM D1003 |
| Haze | < 1.0 | % | ASTM D1003 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | |||
| 23℃ | 1600 | MPa | ISO 527-2 |
| 23℃ | 1580 | MPa | ASTM D638 |
| tensile strength | |||
| Fracture, 23 ℃ | 52.0 | MPa | ASTM D638 |
| Fracture, 23 ℃ | 49.0 | MPa | ISO 527-2 |
| Yield, 23 ℃ | 44.0 | MPa | ISO 527-2 |
| Yield, 23 ℃ | 43.0 | MPa | ASTM D638 |
| Tensile strain | |||
| Fracture, 23 ℃ | 210 | % | ASTM D638 |
| Fracture, 23 ℃ | 150 | % | ISO 527-2 |
| Yield, 23 ℃ | 7.0 | % | ASTM D638 |
| Yield, 23 ℃ | 7.0 | % | ISO 527-2 |
| Bending modulus | |||
| 23℃ | 1500 | MPa | ISO 178 |
| 23℃ | 1580 | MPa | ASTM D790 |
| bending strength | |||
| Yield, 23 ℃ | 64.0 | MPa | ASTM D790 |
| 23℃ | 60.0 | MPa | ISO 178 |
| Rockwell hardness | |||
| R-level | 111 | ASTM D785 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | 88 | °C | |
| Drying time | 4.0 to 6.0 | hr | |
| Processing (melt) temperature | 260 to 282 | °C | |
| Mold temperature | 38 to 66 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
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