Eastman™ 1223

About
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.&&

Product Description
SupplierEastman
Generic PCTG
Material StatusCommercial: Active
FeaturesGood Clarity,Good flexibility,E-beam disinfection,Good melt strength,Radiation disinfection,Ethylene oxide disinfection,Amorphous
AvailabilitysAfrica & Middle East ,North America,Latin America,Asia Pacific,Europe

Technical Data
PHYSICALNominal valueUnitTest method
Density 
1.27g/cm³ASTM D792 , ASTM D1505
23℃1.27g/cm³ISO 1183/D
Water absorption rate
23℃,24hr0.13%ASTM D570,ISO 62

filmNominal valueUnitTest method
film thickness
test250µm
Secant modulus ASTM D882
MD:250 µm1900MPaASTM D882
TD:250 µm1900MPaASTM D882
tensile strength ASTM D882
MD, yield, 250 µ m52.0MPaASTM D882
TD, yield, 250 µ m52.0MPaASTM D882
MD, fracture, 250 µ m59.0MPaASTM D882
TD, fracture, 250 µ m55.0MPaASTM D882
Tensile strain ASTM D882
MD, yield, 250 µ m4.0%ASTM D882
TD, yield, 250 µ m4.0%ASTM D882
MD, fracture, 250 µ m400%ASTM D882
TD, fracture, 250 µ m400%ASTM D882
Drop hammer impact ASTM D1709A
-18℃,250 µm500gASTM D1709-A
23℃,250 µm400gASTM D1709-A
Elmandorf tear strength ASTM D1922
MD:250 µm14NASTM D1922
TD:250 µm17NASTM D1922
Pant tear resistance ISO 6383-1
MD:250 µm36.0N/mmISO 6383-1
TD:250 µm36.0N/mmISO 6383-1
Oxygen permeability
23℃,250 µm,50% RH10cm³·mm/m²/atm/24 hrASTM D3985
Water vapor transmittance
38℃,100% RH,250 µm7.0g/m²/24 hrASTM F1249
Carbon dioxide permeability
23℃,250.0 µm49cm³·mm/m²/atm/24 hrASTM D1434
PPT tear resistance ASTM D2582
MD:23℃,250 mm93NASTM D2582
TD:23℃,250 mm93NASTM D2582
Tear resistant vine ductility ASTM D1938
Split Tear Method,MD:23℃,250 mm36kN/mASTM D1938
Split Tear Method,TD:23℃,250 mm36kN/mASTM D1938

IMPACTNominal valueUnitTest method
Impact strength of cantilever beam notch 
-40℃37J/mASTM D256
23℃100J/mASTM D256
-40℃4.2kJ/m²ISO 180-1A
23℃6.2kJ/m²ISO 180-1A
Notched impact strength of cantilever beam 
-40℃,3.2 mm无断裂 ASTM D4812
-30℃,3.2 mm无断裂 ASTM D4812
-20℃,3.2 mm无断裂 ASTM D4812
23℃,3.2 mm无断裂 ASTM D4812
-40℃无断裂 ISO 180/1U
-30℃无断裂 ISO 180/1U
-20℃无断裂 ISO 180/1U
23℃无断裂 ISO 180/1U
Dart impact equipped with measuring instruments 
-40℃,2.50 mm,Energy @ Max. Load41.0JASTM D3763
-40℃,3.20 mm,Energy @ Max. Load50.0JASTM D3763
23℃,2.50 mm,Energy @ Max. Load28.0JASTM D3763
23℃,3.20 mm,Energy @ Max. Load33.0JASTM D3763
-40 ℃, 2.50 mm, energy to peak force35.0JISO 6603-2
-40 ℃, 3.20 mm, energy to peak force36.0JISO 6603-2
23 ℃, 2.50 mm, energy to peak force40.0JISO 6603-2
23 ℃, 3.20 mm, energy to peak force44.0JISO 6603-2

THERMALNominal valueUnitTest method
Hot deformation temperature ASTM D648
0.45 MPa, unannealed70.0ASTM D648
1.8 MPa, unannealed64.0ASTM D648
Glass transition temperature80.0DSC
Vicat Softening Temp85.0ASTM D1525
Linear coefficient of thermal expansion
MD:-30~40℃5.1E-51/℃ASTM D696
specific heat DSC
60℃1300J/kg/℃DSC
100℃1760J/kg/℃DSC
150℃1880J/kg/℃DSC
200℃1970J/kg/℃DSC
250℃2050J/kg/℃DSC
Thermal conductivity coefficient
23℃0.21W/m/KASTM C177

Electrical performanceNominal valueUnitTest method
Surface resistivity1.0E+16ohmsASTM D257
Volume resistivity
23℃1.0E+15ohms·cmASTM D257
Dielectric strength
23℃16kV/mmASTM D149
Dielectric constant ASTM D150
23 ℃,1 kHz2.60 ASTM D150
23 ℃,1 MHz2.40 ASTM D150
Dissipation factor ASTM D150
23℃,1 kHz5.0E-3 ASTM D150
23℃,1 MHz0.020 ASTM D150
Arc resistance158secASTM D495

optical performanceNominal valueUnitTest method
gloss
45°,250 µm108 ASTM D2457
Transmittance ASTM D1003
Total, 250 µ m91.0%ASTM D1003
Conventional, 250 µ m89.0%ASTM D1003
Haze
250 µm0.80%ASTM D1003

MECHANICALNominal valueUnitTest method
Rockwell hardness 
R-level106 ASTM D785
R-level109 ISO 2039-2
Tensile modulus
23℃2100MPaASTM D638 , ISO 527-2
tensile strength ASTM D638 , ISO 527-2
Yield, 23 ℃50.0MPaASTM D638 , ISO 527-2
Fracture, 23 ℃28.0MPaASTM D638 , ISO 527-2
Tensile strain 
Fracture, 23 ℃130%ASTM D638
Fracture, 23 ℃100%ISO 527-2
Bending modulus 
23℃2100MPaASTM D790
23℃2000MPaISO 178
bending strength 
23℃68.0MPaISO 178
Yield, 23 ℃70.0MPaASTM D790

Notes
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