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Technical Data Sheet
GSP01 Copolyester

  • Electronic packaging

Product Description
GSP01 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. GSP01 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 %
     @ 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)
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
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.)
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)
Coefficient of Linear Thermal ExpansionfD 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
f-30°C to 40°C (-22°F to 104°F)

Properties reported here are based on limited testing. 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