Eastman Cadence™ GS1 Copolyester for film calendering

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Eastman Cadence™ GS1 Copolyester for film calendering (discontinued **)
Categories:	Polymer; Film; Thermoplastic; Polyester, TP; Polyester Film
Material Notes:	Eastman Cadence™ GS1 is Eastman's original copolyester for film calendering. Calendered films made of Eastman Cadence™ copolyesters are non-crystallizing, are halogen-free, offer wide calendering and thermoforming windows and have good low-temperature toughness. They are cooperative in secondary operations such as solvent-bonding, lamination, decoration, coldforming, punching/cutting and embossment. Eastman Cadence™ resins require no pre-drying or additional stabilizers. This product has been GREENGUARD INDOOR AIR QUALITY CERTIFIED® Eastman Cadence GS5 is an amorphous copolyester with improved processability for film calendering. Calendered films made of Eastman Cadence copolyesters are non-crystallizing, are halogen-free, offer wide calendering and thermoforming windows and have good low-temperature toughness. They are cooperative in secondary operations such as solvent-bonding, lamination, decoration, cold-forming, punching/cutting and embossment. Eastman Cadence resins require no pre-drying or additional stabilizers. Application/Uses Appliance films Architectural laminates Automotive films Bags Decorative laminates Electronic laminates Floor coverings Furniture/Furniture trim Labels Outdoor films Packaging Printable films Shrink film Transaction cards Transportation laminates Wall coverings Reported typical properties are preliminary. Information was provided by Eastman.
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Physical Properties	Original Value	Comments

Density	1.28 g/cc	ASTM D1505
Water Absorption	0.16 % @Time 86400 sec	Immersion; ASTM D570
Water Vapor Transmission	7.00 g/m²/day	ASTM F372
Oxygen Transmission	7.00 cc-mm/m²-24hr-atm	ASTM D3985
Viscosity Measurement	0.71	Inherent Viscosity; EMN-A-AC-G-V-1
Thickness	170 microns	Thickness of film tested; ASTM D374

Mechanical Properties	Original Value	Comments
Film Tensile Strength at Yield, MD	49.0 MPa	ASTM D882
Film Tensile Strength at Yield, TD	49.0 MPa	ASTM D882
Film Elongation at Break, MD	420 %	ASTM D882
Film Elongation at Break, TD	300 %	ASTM D882
Film Elongation at Yield, MD	5.0 %	ASTM D882
Film Elongation at Yield, TD	5.0 %	ASTM D882
Secant Modulus, MD	1.60 GPa	ASTM D882
Secant Modulus, TD	1.60 GPa	ASTM D882
Puncture Energy	0.700 J @Temperature -20.0 °C	Energy @ Max. Load; ASTM D3763
	1.20 J @Temperature 0.000 °C	Energy @ Max. Load; ASTM D3763
	1.60 J @Temperature 23.0 °C	Energy @ Max. Load; ASTM D3763
Elmendorf Tear Strength MD	724 g	ASTM D1922
Elmendorf Tear Strength TD	897 g	ASTM D1922
Elmendorf Tear Strength, MD	4.30 g/micron	ASTM D1922
Elmendorf Tear Strength, TD	5.30 g/micron	ASTM D1922
Film Tensile Strength at Break, MD	63.0 MPa	ASTM D882
Film Tensile Strength at Break, TD	46.0 MPa	ASTM D882

Electrical Properties	Original Value	Comments
Volume Resistivity	3.87e+16 ohm-cm	ASTM D257
Surface Resistivity per Square	1.19e+16 ohm	ASTM D257
Dielectric Constant	2.68 @Frequency 1e+6 Hz	ASTM D150
	2.88 @Frequency 1000 Hz	ASTM D150
Dielectric Strength	14.6 kV/mm	Short time, 500 V/sec rate-of-rise; ASTM D149
Dissipation Factor	0.021 @Frequency 1e+6 Hz	ASTM D150
	0.022 @Frequency 1000 Hz	ASTM D150
Arc Resistance	131 sec	ASTM D495

Thermal Properties	Original Value	Comments
CTE, linear	76.6 µm/m-°C @Temperature -30.0 - 30.0 °C	ASTM D696
Specific Heat Capacity	0.310 BTU/lb-°F @Temperature 60.0 °C	DSC
	0.410 BTU/lb-°F @Temperature 100 °C	DSC
	0.440 BTU/lb-°F @Temperature 150 °C	DSC
	0.470 BTU/lb-°F @Temperature 200 °C	DSC
	0.490 BTU/lb-°F @Temperature 250 °C	DSC
Deflection Temperature at 0.46 MPa (66 psi)	70.0 °C	ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	62.0 °C	ASTM D648
Vicat Softening Point	81.0 °C	ASTM D1525
Glass Transition Temp, Tg	81.0 °C	DSC
Oxygen Index	23.5 %	ASTM D2863

Optical Properties	Original Value	Comments
Haze	2.7 %	ASTM D1003
Gloss	107 %	@ 60°; ASTM D2457
Transmission, Visible	90 %	ASTM D1003 modified

Descriptive Properties
Greenguard Indoor Air Quality Certified	yes

**
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PE8901 / 109243

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