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Eastman Eastar GN077 Copolyester, Natural

Category	Polymer , Thermoplastic , Polyester, TP , Polyethylene Terephthalate (PET) , Polyethylene Terephthalate (PET), Unreinforced
Manufacturer	Eastman Chemical
Trade Name	Eastar
Port	Shanghai port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Eastman Eastar GN077 Copolyester, Natural.pdf
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Material Notes:

Eastar Copolyester GN077 is an amorphous resin with good melt strength, chemical resistance, high clarity and gloss. It is an excellent choice for extrusion blow molding small to intermediate size containers. Film and optical properties measured at a thickness of 10 mils.

Physical Properties	Metric	English	Comments
Density	1.30 g/cc	0.0470 lb/in³	ASTM D1505
Water Vapor Transmission	0.490 g/m²/day	0.0316 g/100 in²/day	ASTM F372
Oxygen Transmission	23.0 cc-mm/m²-24hr-atm	58.4 cc-mil/100 in²-24hr-atm	ASTM D3985
Viscosity Measurement	0.70	0.70	Inherent; EMN-A-AC-G-V-1
Thickness	254 microns	10.0 mil	ASTM D374

Mechanical Properties	Metric	English	Comments
Tensile Strength at Break	22.0 MPa	3190 psi	ASTM D638
Tensile Strength, Yield	51.0 MPa	7400 psi	ASTM D638
Elongation at Break	184 %	184 %	ASTM D638
Flexural Yield Strength	73.0 MPa	10600 psi	ASTM D790
Izod Impact, Notched	0.400 J/cm @Temperature -40.0 °C	0.749 ft-lb/in @Temperature -40.0 °F	ASTM D256
	0.650 J/cm @Temperature 23.0 °C	1.22 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
Puncture Energy	24.0 J @Thickness 3.20 mm, Temperature -40.0 °C	17.7 ft-lb @Thickness 0.126 in, Temperature -40.0 °F	max load; ASTM D3763
	33.0 J @Thickness 3.20 mm, Temperature 23.0 °C	24.3 ft-lb @Thickness 0.126 in, Temperature 73.4 °F	max load; ASTM D3763

Thermal Properties	Metric	English	Comments
Vicat Softening Point	74.0 °C	165 °F	1kg load; ASTM D1525
Glass Transition Temp, Tg	75.0 °C	167 °F	ASTM D1525

Optical Properties	Metric	English	Comments
Haze	0.70 %	0.70 %	ASTM D1003
Gloss	166 %	166 %	at 60°; ASTM D2457
Transmission, Visible	67 %	67 %	Transparency; ASTM D1746
	89 %	89 %	Regular Transmittance; ASTM D1003
	92 %	92 %	Total Transmittance; ASTM D1003

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