| About |
|---|
| Tailored to meet the needs of injection-molding market, Eastar™ Copolyesters are clear materials with good mechanical properties and chemical resistance to a variety of substances. 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 | Solvent resistance |
| Availabilitys | North America |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.33 | g/cm³ | ASTM D792 |
| Shrinkage rate | |||
| MD | 0.20 | % | ASTM D955 |
| Water absorption rate | |||
| 23℃，24hr | 0.19 | % | ASTM D570 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | ASTM D256 | ||
| -40℃ | 33 | J/m | ASTM D256 |
| 23℃ | 56 | J/m | ASTM D256 |
| Impact strength of cantilever beam notch | ASTM D4218 | ||
| -40℃ | 2400 | J/m | ASTM D4218 |
| 23℃ | No Break | ASTM D4218 | |
| Dart impact equipped with measuring instruments | ASTM D3763 | ||
| -40℃，Energy @ Max. Load | 38.0 | J | ASTM D3763 |
| 23℃，Energy @ Max. Load | 32.0 | J | ASTM D3763 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed | 63.0 | ℃ | ASTM D648 |
| 0.45 MPa, unannealed | 69.0 | ℃ | ASTM D648 |
| Vicat Softening Temp | 80.0 | ℃ | ASTM D1525 2 |
| optical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Transmittance | |||
| total | 82.0 | % | ASTM D1003 |
| Haze | < 1.0 | % | ASTM D1003 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | |||
| Fracture, 23 ℃ | 24.0 | MPa | ASTM D638 |
| Yield, 23 ℃ | 58.0 | MPa | ASTM D638 |
| Tensile strain | |||
| Fracture, 23 ℃ | 90 | % | ASTM D638 |
| Yield, 23 ℃ | 4.0 | % | ASTM D638 |
| Bending modulus | |||
| 23℃ | 2400 | MPa | ASTM D790 |
| bending strength | |||
| 23℃ | 78.0 | MPa | ASTM D790 |
| Rockwell hardness | |||
| R-level | 111 | ASTM D785 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | 160 | °C | |
| Drying time | 4.0 to 6.0 | hr | |
| Processing (melt) temperature | 277 to 293 | °C | |
| Mold temperature | 16 to 32 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Loading 1 (10 N) |
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