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Technical Data Sheet
Eastman™ Copolyester 1223


Applications
  • Deoderant containers
  • Electronic packaging
  • Multi-layer film non food contact
  • Personal care & cosmetics packaging
  • Profiles
  • Shrink film non food contact
  • Signs
  • Sporting equipment
  • Transaction cards
  • Wood furniture
Key Attributes
  • Easy primary & secondary operations
  • Excellent clarity
  • Excellent toughness
  • Gamma, ebeam, ETO sterilization stable

Product Description
Eastman™ copolyester 1223 is a clear, amorphous material. Because of its clarity, toughness and good melt strength at processing temperatures, it is useful in a variety of processing techniques including film and sheet extrusion. Eastman™ Copolyester 1223 may be colored using color concentrates, dry colors or liquid colorants.

Typical Properties

PropertyaTest MethodbTypical Value, Unitsc
Electrical Properties
Dielectric Constant 
     1 kHzD 1502.6
     1 MHzD 1502.4
Dissipation Factor 
     1 kHzD 1500.005
     1 MHzD 1500.02
Arc ResistanceD 495158 sec
Volume ResistivityD 2571015 ohm·cm
Surface ResistivityD 2571016 ohms/square
Dielectric Strength, Short Time, 500 V/sec rate-of-riseD 14916 kV/mm (410 V/mil)
Film Properties
Thickness of Film TestedD 374250 Microns (10 mils)
DensityD 1505 1.27 g/cm3
HazeD 10030.8 %
Gloss 
     @ 45°D 2457108
TransparencyD 174685 %
Regular TransmittanceD 1003 Modified89 %
Total TransmittanceD 1003 Modified91 %
Water Vapor Transmission RatedF 12497 g/m2·24h (0.5 g/100in.2·24h)
Gas Permeability, CO2D 143449 cm3·mm/m2·24h·atm (125 cm3·mil/100in.2·24h·atm)
Gas Permeability, O2D 398510 cm3·mm/m2·24h·atm (25 cm3·mil/100in.2·24h·atm)
Elmendorf Tear Resistance 
     M.D.D 192213.7 N (1400 gf)
     T.D.D 192216.7 N (1700 gf)
PPT Tear Resistance 
     M.D.D 258293 N (21 lbf)
     T.D.D 258293 N (21 lbf)
Tear Propagation Resistance, Split Tear Method 
     @ 254 mm/min (10 in./min) M.D.D 193836 N/mm (205 lbf/in.)
     @ 254 mm/min (10 in./min) T.D.D 193836 N/mm (205 lbf/in.)
Tear Resistance, Trouser @ 200 mm/min 
     M.D.ISO 6383-136 N/mm (205 lbf/in.)
     T.D.ISO 6383-136 N/mm (205 lbf/in.)
Tensile Strength @ Yield 
     M.D.D 88252 MPa (7500 psi)
     T.D.D 88252 MPa (7500 psi)
Tensile Strength @ Break 
     M.D.D 88259 MPa (8600 psi)
     T.D.D 88255 MPa (8000 psi)
Elongation @ Yield 
     M.D.D 8824 %
     T.D.D 8824 %
Elongation @ Break 
     M.D.D 882400 %
     T.D.D 882400 %
Tensile Modulus 
     M.D.D 8821900 MPa (2.8 x 105 psi)
     T.D.D 8821900 MPa (2.8 x 105 psi)
Dart Impacte 
     @ -18°C (0°F)D 1709A Modified500 g
     @ 23°C (73°F)D 1709A Modified400 g
Mechanical Properties (Injection Molded), ASTM Method
Specific GravityD 7921.27
Water Absorption, 24 h immersionD 5700.13 %
Tensile Stress @ BreakD 63828 MPa (4100 psi)
Tensile Stress @ YieldD 63850 MPa (7300 psi)
Elongation @ BreakD 638130 %
Tensile ModulusD 6382100 MPa (3.0 x 105 psi)
Flexural ModulusD 7902100 MPa (3.0 x 105 psi)
Flexural Yield StrengthD 79070 MPa (10200 psi)
Rockwell Hardness, R ScaleD 785106
Izod Impact Strength, Notched 
     @ 23°C (73°F)D 256101 J/m (1.9 ft·lbf/in.)
     @ -40°C (-40°F)D 25637 J/m (0.7 ft·lbf/in.)
Impact Strength, Unnotchedf 
     @ -20°C (-4°F)D 4812NB
     @ 23°C (73°F)D 4812NB
     @ -30°C (-22°F)D 4812NB
     @ -40°C (-40°F)D 4812NB
Impact Resistance (Puncture), Energy @ Max. Load 
     2.5-mm (0.100-in.) Thick Plaques, @ 23°C (73°F)D 376328 J (21 ft·lbf)
     2.5-mm (0.100-in.) Thick Plaques, @ -40°C (-40°F)D 376341 J (30 ft·lbf)
     3.2-mm (0.125-in.) Thick Plaques @ 23°C (73°F)D 376333 J (24 ft·lbf)
     3.2-mm (0.125-in.) Thick Plaques @ -40°C (-40°F)D 376350 J (37 ft·lbf)
Mechanical Properties (Injection Molded), ISO Method
DensityISO 1183, Method D 1.27 g/cm3
Water Absorption, 24 h immersionISO 620.13 %
Tensile Stress @ BreakISO 52728 MPa
Tensile Stress @ YieldISO 52750 MPa
Elongation @ BreakISO 527100 %
Tensile ModulusISO 5272100 MPa
Flexural ModulusISO 1782000 MPa
Flexural Yield StrengthISO 17868 MPa
Rockwell Hardness, R ScaleISO 2039-2109
Izod Impact Strength, Notched, Type 1 Specimen, Type A Notch 
     @ 23°CISO 1806.2 kJ/m2
     @ -40°CISO 1804.2 kJ/m2
Impact Strength, Unnotched, Type 1 Specimeng 
     @ -20°CISO 180NB kJ/m2
     @ 23°CISO 180NB kJ/m2
     @ -30°CISO 180NB kJ/m2
     @ -40°CISO 180NB kJ/m2
Impact Resistance (Puncture), Energy @ Max. Loadh 
     2.5-mm Thick Plaques @ 23°CISO 6603-240 J
     2.5-mm Thick Plaques @ -40°CISO 6603-235 J
     3.2-mm Thick Plaques @ 23°CISO 6603-244 J
     3.2-mm Thick Plaques @ -40°CISO 6603-236 J
Thermal Properties
Deflection Temperature 
     @ 0.455 MPa (66 psi)D 64870 °C (158 °F)
     @ 1.82 MPa (264 psi)D 64864 °C (147 °F)
Vicat Softening TemperatureD 152585 °C (185 °F)
Thermal ConductivityC 1770.21 W/m·K (1.5 Btu·in./h·ft2·°F)
Glass Transition Temperature (Tg)DSC80 °C (176 °F)
Specific Heat 
     @ 100°C (212°F)DSC1.76 kJ/kg·K (0.42 Btu/lb·°F)
     @ 150°C (302°F)DSC1.88 kJ/kg·K (0.45 Btu/lb·°F)
     @ 200°C (392°F)DSC1.97 kJ/kg·K (0.47 Btu/lb·°F)
     @ 250°C (482°F)DSC2.05 kJ/kg·K (0.49 Btu/lb·°F)
     @ 60°C (140°F)DSC1.30 kJ/kg·K (0.31 Btu/lb·°F)
Coefficient of Linear Thermal ExpansioniD 6965.1 x 10-5 /°C (mm/mm·°C) (2.8 x 10-5 /°F (in./in.·°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.
dTest conducted at 38°C (100°F) and 100% relative humidity.
e12.7 mm (0.5 in.) dia. head, 127 mm (5 in.) dia. clamp, 660 mm (26 in.) drop
fNonbreak as defined by ASTM D 4812 with 3.2-mm specimens.
gNonbreak as defined by ISO 180 with 4-mm specimens.
hTesting based on ISO 6603-2 using a striker diameter of 20 mm, a support and clamp diameter of 40 mm, and a velocity of 4.1 m/s.
i-30°C to 40°C (-22°F to 104°F)



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.