Eastar? Copolyester GN046
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| | Key Attributes | Easy to extrude, cut, print, and seal Effective barrier properties Excellent chemical resistance Excellent clarity Excellent colorability Good impact strength Good stiffness High gloss appearance Toughness
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| Product Description |
| Eastar? Copolyester GN046 is a very high melt strength copolyester targeted for extrusion blow molding applications. Blow molding of large parts (up to several pounds) are possible with this material. This product is certified to ANSI/NSF Standard 51. |
| Propertya | Testb
Method | Typical Value, Unitsc |
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| General Properties |
| Specific Gravity | D 792 | 1.27 |
| Mold Shrinkage Parallel to Flow, 3.2-mm (0.125-in.) thickness | D 955 | 0.002-0.005 mm/mm (0.002-0.005 in./in.) |
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| Mechanical Properties |
| Tensile Stress @ Yield | D 638 | 50 MPa (7300 psi) |
| Tensile Stress @ Break | D 638 | 28 MPa (4100 psi) |
| Elongation @ Yield | D 638 | 4% |
| Elongation @ Break | D 638 | 110% |
| Flexural Modulus | D 790 | 2100 MPa (3.0 x 105 psi ) |
| Flexural Strength | D 790 | 68 MPa (9900 psi) |
| Rockwell Hardness, R Scale | D 785 | 108 |
| Izod Impact Strength, Notched |
| D 256 | 94 J/m (1.8 ft·lbf/in.) |
| D 256 | 53 J/m (1.0 ft·lbf/in.) |
| Impact Strength, Unnotched |
| D 4812 | NB |
| D 4812 | NB |
| Impact Resistance (Puncture), Energy @ Max. Load |
| D 3763 | 36 J (27 ft·lbf) |
| D 3763 | 35 J (26 ft·lbf) |
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| Thermal Properties |
| Deflection Temperature |
| D 648 | 70°C (158°F) |
| D 648 | 62°C (143°F) |
| Vicat Softening Temperature @ 1 kg load | D 1525 | 83°C (181°F) |
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| Optical Properties |
| Haze | D 1003 | 0.6% |
| Regular Transmittance | D 1003 | 87% |
| Total Transmittance | D 1003 | 90% |
| Gloss @ 60° | D 2457 | 152 |
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| Typical Processing Conditions |
| Drying Temperature | | 71°C (160°F) |
| Drying Time | | 6 hrs |
| Processing Melt Temperature | | 249-271°C (480-520°F) |
| Mold Temperature | | 16-38°C (60-100°F) |
a Unless noted otherwise, all tests are run at 23°C (73°F) and 50% relative humidity.
b Unless noted otherwise, the test method is ASTM.
c Units are in SI or US customary units.
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