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Technical Data Sheet
Eastar™ GN120 Copolyester


Applications
  • Color cosmetics packaging
  • Consumer housewares-NFC
  • Jars-skin care pkg
  • Large appliances non-food contact
  • Pens/stationary
  • Profiles
  • Sporting equipment
Key Attributes
  • High clarity and transparency
  • High flow copolyester
  • Tough

Product Description
Eastar™ GN120 Copolyester is a high flow product and contains a mold release. Other outstanding features of Eastar™ GN120 are easily maintained such as excellent appearance and clarity, good physical properties, chemical resistance, and easy processing. Eastar™ GN120 is for sale only in Asia as a high-flow formulation.

Typical Properties

PropertyaTest MethodbTypical Value, Unitsc
General Properties
Specific GravityD 7921.27
Mold ShrinkageD 9550.002-0.005 mm/mm (0.002-0.005 in./in.)
Mechanical Properties
Tensile Stress @ YieldD 63848 MPa (7000 psi)
Tensile Stress @ BreakD 63824 MPa (3500 psi)
Elongation @ YieldD 6384 %
Elongation @ BreakD 63875 %
Flexural ModulusD 7901900 MPa (2.76 x 105 psi)
Flexural StrengthD 79066 MPa (9600 psi)
Rockwell Hardness, R ScaleD 785107
Izod Impact Strength, Notched 
     @ 23°C (73°F)D 25684 J/m (1.5 ft·lbf/in.)
     @ -40°C (-40°F)D 25646 J/m (0.8 ft·lbf/in.)
Impact Strength, Unnotched 
     @ 23°C (73°F)D 4812NB
     @ -40°C (-40°F)D 4812NB
Impact Resistance (Puncture), Energy @ Max. Load 
     @ 23°C (73°F)D 376335 J (26 ft·lbf)
     @ -40°C (-40°F)D 376344 J (32 ft·lbf)
Optical Properties
HazeD 10030.4 %
Total TransmittanceD 100391 %
Thermal Properties
Deflection Temperature 
     @ 0.455 MPa (66 psi)D 64868 °C (154 °F)
     @ 1.82 MPa (264 psi)D 64860 °C (140 °F)
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)

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.


Comments
Properties reported here are based on limited testing. Eastman makes no representation that the material in any particular shipment will conform 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