| About |
|---|
| Eastar™ Copolyester GN078 has superior water clarity. It also has superior chemical resistance among the copolyester portfolio and is an excellent product for large tough bottles. Eastar™ Copolyester GN078 is an environmentally responsible material that contains no halogens or orthophthlate plasticizers. This product has been GREENGUARD INDOOR AIR QUALITY CERTIFIED®. The GREENGUARD INDOOR AIR QUALITY CERTIFIED® Mark is a registered certification mark used under license through the GREENGUARD Environmental Institute (GEI). GEI is an industry-independent, non-profit organization that oversees the GREENGUARD Certification Program. The GREENGUARD Certification Program is an industry independent, third-party testing program for low-emitting products and materials for indoor environments. For more information about GEI and to obtain printable certificates for Eastman™ Copolyesters, visit www.greenguard.org. Choose Eastman Chemical Company under the Manufacturer category and click search to display a list of our products.&& |
| Product Description | |
|---|---|
| Supplier | Eastman |
| Generic | PCTG |
| Material Status | Commercial: Active |
| Features | Good Clarity,Good flexibility,Halogen free,Solvent resistance |
| Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.25 | g/cm³ | ASTM D792 |
| Shrinkage rate | |||
| MD | 0.30 | % | ASTM D955 |
| colour | ASTM D2244 | ||
| a | -0.20 | ASTM D2244 | |
| b | 0.60 | ASTM D2244 | |
| L | 95 | ASTM D2244 | |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | ASTM D256 | ||
| -40℃ | 63 | J/m | ASTM D256 |
| 23℃ | No Break | ASTM D256 | |
| Impact strength of cantilever beam notch | ASTM D4218 | ||
| -40℃ | No Break | ASTM D4218 | |
| 23℃ | No Break | ASTM D4218 | |
| Dart impact equipped with measuring instruments | ASTM D3763 | ||
| -40℃，Energy at Peak Load | 39.0 | J | ASTM D3763 |
| 0℃，Energy at Peak Load | 41.0 | J | ASTM D3763 |
| 23℃，Energy at Peak Load | 41.0 | J | ASTM D3763 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed | 63.0 | ℃ | ASTM D648 |
| 0.45 MPa, unannealed | 73.0 | ℃ | ASTM D648 |
| Vicat Softening Temp | 85.0 | ℃ | ASTM D1525 |
| optical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| gloss | |||
| 60° | 143 | ASTM D2457 | |
| Transmittance | ASTM D1003 | ||
| total | 91.0 | % | ASTM D1003 |
| Regular | 87.0 | % | ASTM D1003 |
| Haze | 1.3 | % | ASTM D1003 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | |||
| 23℃ | 1900 | MPa | ASTM D638 |
| tensile strength | |||
| Fracture, 23 ℃ | 48.0 | MPa | ASTM D638 |
| Yield, 23 ℃ | 47.0 | MPa | ASTM D638 |
| Tensile strain | |||
| Fracture, 23 ℃ | 300 | % | ASTM D638 |
| Yield, 23 ℃ | 5.0 | % | ASTM D638 |
| Bending modulus | |||
| 23℃ | 1900 | MPa | ASTM D790 |
| bending strength | |||
| 23℃ | 65.0 | MPa | ASTM D790 |
| Rockwell hardness | |||
| R-level | 105 | ASTM D785 |
| Notes |
|---|
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