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	Original Value	Comments

Specific Gravity	1.23 g/cc	ASTM D792
Melt Density	1.08 g/cc @Temperature 285 °C	ASTM D1238

Mechanical Properties	Original Value	Comments
Hardness, Rockwell R	103	ASTM D785
Tensile Strength at Break	52.0 MPa	ASTM D638
Tensile Strength, Yield	45.0 MPa	ASTM D638
Elongation at Break	340 %	ASTM D638
Flexural Strength	66.0 MPa	ASTM D790
Flexural Modulus	1.80 GPa	ASTM D790
Izod Impact, Notched	0.750 J/cm @Temperature -40.0 °C	ASTM D256
	NB @Temperature 23.0 °C	ASTM D256
Izod Impact, Unnotched	NB	ASTM D4812
	NB @Temperature -40.0 °C	ASTM D4812
Puncture Energy	42.0 J	Puncture Resistance @Max Load, 23°C; ASTM D3763
	52.0 J @Temperature -40.0 °C	Puncture Resistance at Max Load; ASTM D3763

Thermal Properties	Original Value	Comments
CTE, linear	75.0 µm/m-°C @Temperature 20.0 °C	ASTM D696
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
Deflection Temperature at 0.46 MPa (66 psi)	74.0 °C	ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	65.0 °C	ASTM D648
Vicat Softening Point	86.0 °C	1kg load; ASTM D1525
Glass Transition Temp, Tg	87.0 °C	ASTM D1525

Optical Properties	Original Value	Comments
Transmission, Visible	90 %	transparent; thickness not quantified

**
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PE9057 / 35113

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