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Technical Data Sheet
Eastar™ Copolyester GN078


Applications
  • Closures-fragrance pkg
  • Consumer housewares-NFC
  • Fragrance packaging
  • Home, garden & automotive packaging
  • Jars-skin care pkg
  • Non-medical housings & hardware for elec
  • Personal care & cosmetics packaging
  • Speciality containers-color cosmetics pk
  • Walls

Product Description
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.



Typical Properties

PropertyaTest MethodbTypical Value, Unitsc
General Properties
DensityD 792 1.25 g/cm3
Mold ShrinkageD 9550.3 %
Mechanical Properties
Tensile Stress @ YieldD 63847 MPa (6900 psi)
Tensile Stress @ BreakD 63848 MPa (7000 psi)
Elongation @ YieldD 6385 %
Elongation @ BreakD 638300 %
Tensile ModulusD 6381900 MPa (2.7 x 105 psi)
Flexural ModulusD 7901900 MPa (2.7 x 105 psi)
Flexural StrengthD 79065 MPa (9400 psi)
Rockwell Hardness, R ScaleD 785105
Izod Impact Strength, Notchedd 
     @ 23°C (73°F)D 256NB
     @ -40°C (-40°F)D 25663C J/m (1.2C ft·lbf/in.)
Impact Strength, Unnotchede 
     @ 23°C (73°F)D 4812NB
     @ -40°C (-40°F)D 4812NB
Impact Resistance (Puncture), Energy @ Max. Load 
     @ 0°C (32°F)D 376341 J (30 ft·lbf)
     @ 23°C (73°F)D 376341 J (30 ft·lbf)
     @ -40°C (-40°F)D 376339 J (29 ft·lbf)
Optical Properties
HazeD 10031.3 %
Gloss 
     @ 60°D 2457143
Regular TransmittanceD 100387 %
Total TransmittanceD 100391 %
Color 
     a*D 2244-0.2
     b*D 22440.6
     L*D 224495.0
Thermal Properties
Deflection Temperature 
     @ 0.455 MPa (66 psi)D 64873 °C (163 °F)
     @ 1.82 MPa (264 psi)D 64863 °C (145 °F)
Vicat Softening TemperatureD 152585 °C (185 °F)

aUnless noted otherwise, all tests are run at 23°C (73°F) and 50% relative humidity.
bUnless noted otherwise, the test method is ASTM.
cUnits are in SI or US customary units.
dC = Complete Break; Nonbreak as defined by ASTM D 256.
eNonbreak as defined by ASTM D 4812.



Comments
Properties reported here are typical of average lots. Eastman makes no representation that the material in any particular shipment will conform exactly to the values given.


Eastman and its marketing affiliates shall not be responsible for the use of this information, or of any product, method, or apparatus mentioned, and you must make your own determination of its suitability and completeness for your own use, for the protection of the environment, and for the health and safety of your employees and purchasers of your products. No warranty is made of the merchantability of fitness of any product, and nothing herein waives any of the Seller's conditions of sale.


2/28/2018 11:35:39 AM