Eastman Eastar GN005 Copolyester, Natural

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Eastman Eastar GN005 Copolyester, Natural (discontinued **)
Categories:	Polymer; Thermoplastic; Polyester, TP; Polyethylene Terephthalate (PET); Polyethylene Terephthalate (PET), Unreinforced
Material Notes:	Eastar GN005 Copolyester is a glycol modified polyethylene terephthalate (PET) with an added mold release. Eastar GN005 copolyester will not crystallize and thus offers wider processing latitude than conventional crystallizable polyesters. This material offers an excellent combination of clarity, toughness, and melt strength that makes it useful for a variety of processing techniques and end-use applications. Applications/Uses Blister packaging
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Physical Properties	Metric	English	Comments

Specific Gravity	1.27 g/cc	1.27 g/cc	ASTM D792
Density	1.27 g/cc	0.0459 lb/in³	ISO 1183
Water Absorption	0.13 %	0.13 %	24h Immersion; ISO 62
	0.13 %	0.13 %	24h Immersion; ASTM D570
Linear Mold Shrinkage	0.0020 - 0.0050 cm/cm @Thickness 3.20 mm	0.0020 - 0.0050 in/in @Thickness 0.126 in	ASTM D955

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell R	106	106	ASTM D785
Tensile Strength at Break	28.0 MPa	4060 psi	ISO 527
	28.0 MPa	4060 psi	ASTM D638
Tensile Strength, Yield	50.0 MPa	7250 psi	ASTM D638
	50.0 MPa	7250 psi	ISO 527
Elongation at Break	60 %	60 %	ISO 527
	110 %	110 %	ASTM D638
Elongation at Yield	4.2 %	4.2 %	ISO 527
	4.3 %	4.3 %	ASTM D638
Flexural Yield Strength	68.0 MPa	9860 psi	ISO 178
	70.0 MPa	10200 psi	ASTM D790
Flexural Modulus	2.00 GPa	290 ksi	ISO 178
	2.10 GPa	305 ksi	ASTM D790
Izod Impact, Notched	0.370 J/cm @Temperature -40.0 °C	0.693 ft-lb/in @Temperature -40.0 °F	ASTM D256
	1.01 J/cm @Temperature 23.0 °C	1.89 ft-lb/in @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
Izod Impact, Notched (ISO)	4.20 kJ/m² @Temperature -40.0 °C	2.00 ft-lb/in² @Temperature -40.0 °F	ISO 180
	6.20 kJ/m² @Temperature 23.0 °C	2.95 ft-lb/in² @Temperature 73.4 °F	ISO 180
Puncture Energy	12.0 J	8.85 ft-lb	Puncture Resistance @ max load, 23°C; ISO 6603-2
	13.0 J @Temperature -40.0 °C	9.59 ft-lb @Temperature -40.0 °F	Puncture Resistance at Max Load; ISO 6603-2

Thermal Properties	Metric	English	Comments
Specific Heat Capacity	1.30 J/g-°C @Temperature 60.0 °C	0.311 BTU/lb-°F @Temperature 140 °F	DSC
	2.01 J/g-°C @Temperature 240 °C	0.480 BTU/lb-°F @Temperature 464 °F	DSC
Thermal Conductivity	0.190 W/m-K	1.32 BTU-in/hr-ft²-°F	ASTM C177
Deflection Temperature at 0.46 MPa (66 psi)	70.0 °C	158 °F	ISO 75
	70.0 °C	158 °F	ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	64.0 °C	147 °F	ISO 75
	64.0 °C	147 °F	ASTM D648
Vicat Softening Point	76.0 °C	169 °F	5kg load; ISO 306
	85.0 °C	185 °F	1kg load; ISO 306
	85.0 °C	185 °F	1kg load; ASTM D1525
Flammability, UL94	HB @Thickness 1.60 mm	HB @Thickness 0.0630 in

Processing Properties	Metric	English	Comments
Melt Temperature	250 - 270 °C	482 - 518 °F
Mold Temperature	15.0 - 40.0 °C	59.0 - 104 °F
Drying Temperature	70.0 °C	158 °F
Dry Time	6 hour	6 hour

**
Materials flagged as discontinued () are no longer part of the manufacturer’s standard product line according to our latest information. These materials may be available by special order, in distribution inventory, or reinstated as an active product. Data sheets from materials that are no longer available remain in MatWeb to assist users in finding replacement materials.

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PE9040 / 35096

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