Eastman Eastar 5445 PCTG Copolyester, Film

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Eastman Eastar 5445 PCTG Copolyester, Film (discontinued **)
Categories:	Polymer; Film; Thermoplastic; Polyester, TP; Polycyclohexylenedimethylene Terephthalate (PCT); Glycol-Modified PCT (PCTG) Copolyester
Material Notes:	Eastar PCTG 5445 is an amorphous copolyester. Because of its clarity, toughness and good melt strength, Eastar PCTG Copolyester 5445 is useful in a number of applications. It has high gloss and is transparent. It is tough and resistant to stress whitening. It has fast forming cycles and is easy to form. Eastar PCTG Copolyester 5445 is sterilizable by both gamma radiation and ethylene oxide (ETO) methods. Its scrap can be reused. Applications/Uses Bags Credit cards Gaming cards Identification cards Plastic Cards Rigid medical Blister packaging Debit cards Gift cards Phone cards Rapid deployment flood walls Smart cards Key Attributes Excellent clarity Effective barrier properties Excellent colorability Good stiffness Sterilizable with ethylene oxide, electron beam, and gamma rays
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Physical Properties	Original Value	Comments

Density	1.23 g/cc	ASTM D1505
Melt Density	1.08 g/cc @Temperature 285 °C	ASTM D1238
Water Vapor Transmission	7.00 g/m²/day	ASTM F372
Oxygen Transmission	11.0 cc-mm/m²-24hr-atm	ASTM D3985
Carbon Dioxide Transmission	49.0 cc-mm/m²-24hr-atm	ASTM D1434
Thickness	250 microns	ASTM D374

Mechanical Properties	Original Value	Comments
Film Tensile Strength at Yield, MD	45.0 MPa	ASTM D882
Film Tensile Strength at Yield, TD	44.0 MPa	ASTM D882
Tensile Modulus	1.60 GPa	MD; ASTM D882
	1.60 GPa	TD; ASTM D882
Coefficient of Friction	0.50	ASTM D1894
Elmendorf Tear Strength, MD	>= 12.0 g/micron	ASTM D1922
Elmendorf Tear Strength, TD	>= 12.0 g/micron	ASTM D1922
Dart Drop	1.84 g/micron	23°C; ASTM D1709
	2.16 g/micron	at -18°C; ASTM D1709
Film Tensile Strength at Break, MD	57.0 MPa	ASTM D882
Film Tensile Strength at Break, TD	53.0 MPa	ASTM D882

Thermal Properties	Original Value	Comments
Specific Heat Capacity	1.09 J/g-°C @Temperature 10.0 °C	DSC
	1.14 J/g-°C @Temperature 30.0 °C	DSC
	1.64 J/g-°C @Temperature 100 °C	DSC
	1.86 J/g-°C @Temperature 180 °C	DSC
	2.16 J/g-°C @Temperature 290 °C	DSC
Thermal Conductivity	0.220 W/m-K	ASTM C177
Glass Transition Temp, Tg	87.0 °C	ASTM D1525

Optical Properties	Original Value	Comments
Refractive Index	1.56 @Wavelength 589.3 nm	n_D; ASTM D542
Haze	1.0 %	ASTM D1003
Gloss	98 %	at 60°; ASTM D2457
Transmission, Visible	91 %	Total Transmittance; ASTM D1003

**
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PE9058 / 35114

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