Eastman Eastar 5445 PCTG Copolyester, Injection Molded

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Eastman Eastar 5445 PCTG Copolyester, Injection Molded (discontinued **)
Categories:	Polymer; 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	Metric	English	Comments

Specific Gravity	1.23 g/cc	1.23 g/cc	ASTM D792
Melt Density	1.08 g/cc @Temperature 285 °C	0.0390 lb/in³ @Temperature 545 °F	ASTM D1238

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell R	103	103	ASTM D785
Tensile Strength at Break	52.0 MPa	7540 psi	ASTM D638
Tensile Strength, Yield	45.0 MPa	6530 psi	ASTM D638
Elongation at Break	340 %	340 %	ASTM D638
Flexural Strength	66.0 MPa	9570 psi	ASTM D790
Flexural Modulus	1.80 GPa	261 ksi	ASTM D790
Izod Impact, Notched	0.750 J/cm @Temperature -40.0 °C	1.41 ft-lb/in @Temperature -40.0 °F	ASTM D256
	NB @Temperature 23.0 °C	NB @Temperature 73.4 °F	ASTM D256
Izod Impact, Unnotched	NB	NB	ASTM D4812
	NB @Temperature -40.0 °C	NB @Temperature -40.0 °F	ASTM D4812
Puncture Energy	42.0 J	31.0 ft-lb	Puncture Resistance @Max Load, 23°C; ASTM D3763
	52.0 J @Temperature -40.0 °C	38.4 ft-lb @Temperature -40.0 °F	Puncture Resistance at Max Load; ASTM D3763

Thermal Properties	Metric	English	Comments
CTE, linear	75.0 µm/m-°C @Temperature 20.0 °C	41.7 µin/in-°F @Temperature 68.0 °F	ASTM D696
Specific Heat Capacity	1.09 J/g-°C @Temperature 10.0 °C	0.261 BTU/lb-°F @Temperature 50.0 °F	DSC
	1.14 J/g-°C @Temperature 30.0 °C	0.272 BTU/lb-°F @Temperature 86.0 °F	DSC
	1.64 J/g-°C @Temperature 100 °C	0.392 BTU/lb-°F @Temperature 212 °F	DSC
	1.86 J/g-°C @Temperature 180 °C	0.445 BTU/lb-°F @Temperature 356 °F	DSC
	2.16 J/g-°C @Temperature 290 °C	0.516 BTU/lb-°F @Temperature 554 °F	DSC
Thermal Conductivity	0.220 W/m-K	1.53 BTU-in/hr-ft²-°F	ASTM C177
Deflection Temperature at 0.46 MPa (66 psi)	74.0 °C	165 °F	ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	65.0 °C	149 °F	ASTM D648
Vicat Softening Point	86.0 °C	187 °F	1kg load; ASTM D1525
Glass Transition Temp, Tg	87.0 °C	189 °F	ASTM D1525

Optical Properties	Metric	English	Comments
Transmission, Visible	90 %	90 %	transparent; thickness not quantified

**
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PE9057 / 35113

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