| About |
|---|
| Product Description: Eastman TREVA™ is a new cellulose-based engineering bioplastic that offers both high performance and reduced environmental impact. TREVA is chemically resistant, dimensionally stable and has excellent flow, BPA-free and low birefringence. The United States Department of Agriculture’s (USDA’s) BioPreferred® program has Certified Eastman TREVA™ Engineering Bioplastic GC6021 with a biobased content of 42%. Key Attributes: BPA-free Dimensional stability Excellent chemical resistance Excellent flow Low birefringence Application/Uses: Complex and intricate parts Cosmetics Electronics and housings Wearable devices and headphones&& |
| Product Description | |
|---|---|
| Supplier | Eastman |
| Generic | 其他纤维素 |
| Material Status | Commercial: Active |
| Features | Good Dimensional Stability,High liquidity,Renewable resources,No BPA,Solvent resistance,Spun fiber |
| Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.22 | g/cm³ | ASTM D792 |
| Shrinkage rate | |||
| MD | 0.80 | % | ASTM D955 |
| Water absorption rate | |||
| 24hr | 2.2 | % | ASTM D570 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| -40℃ | 80 | J/m | |
| 23℃ | 200 | J/m |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 0.45 MPa, unannealed | 114 | ℃ | |
| 1.8 MPa, unannealed | 100 | ℃ | |
| Vicat Softening Temp | 130 | ℃ | ASTM D1525 |
| Supplementary information | Nominal value | Unit | Test method |
|---|---|---|---|
| Renewable Content | 42 | % |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Rockwell hardness | |||
| R-level | 102 | ASTM D785 | |
| tensile strength | |||
| yield | 50.0 | MPa | |
| fracture | 48.0 | MPa | |
| Tensile strain | |||
| fracture | 22 | % | ASTM D638 |
| Bending modulus | 1950 | MPa | ASTM D790 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature – hot air dryer | 75 | °C | |
| Drying time – hot air dryer | 4.0 | hr | |
| Processing (melt) temperature | < 260 | °C | |
| Mold temperature | 85 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Conditioned 4 hours at 70°C (158°F). |
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