Home Page

Technical Data Sheet

Applications

Closures-fragrance pkg
Consumer housewares-NFC
Fragrance packaging
Home, garden & automotive packaging
Jars-skin care pkg
Non-medical housings & hardware for elec
Personal care & cosmetics packaging
Speciality containers-color cosmetics pk
Walls

Product Description
Eastar™ Copolyester GN078 has superior water clarity. It also has superior chemical resistance among the copolyester portfolio and is an excellent product for large tough bottles. Eastar™ Copolyester GN078 is an environmentally responsible material that contains no halogens or orthophthlate plasticizers.

This product has been GREENGUARD INDOOR AIR QUALITY CERTIFIED®.
The GREENGUARD INDOOR AIR QUALITY CERTIFIED® Mark is a registered certification mark used under license through the GREENGUARD Environmental Institute (GEI). GEI is an industry-independent, non-profit organization that oversees the GREENGUARD Certification Program. The GREENGUARD Certification Program is an industry independent, third-party testing program for low-emitting products and materials for indoor environments. For more information about GEI and to obtain printable certificates for Eastman™ Copolyesters, visit www.greenguard.org. Choose Eastman Chemical Company under the Manufacturer category and click search to display a list of our products.

Typical Properties

Property	Test Method	Typical Value, Units
General Properties
Density	D 792	1.25 g/cm³
Mold Shrinkage	D 955	0.3 %
Mechanical Properties
Tensile Stress @ Yield	D 638	47 MPa (6900 psi)
Tensile Stress @ Break	D 638	48 MPa (7000 psi)
Elongation @ Yield	D 638	5 %
Elongation @ Break	D 638	300 %
Tensile Modulus	D 638	1900 MPa (2.7 x 10⁵ psi)
Flexural Modulus	D 790	1900 MPa (2.7 x 10⁵ psi)
Flexural Strength	D 790	65 MPa (9400 psi)
Rockwell Hardness, R Scale	D 785	105
Izod Impact Strength, Notched^a
@ 23°C (73°F)	D 256	NB
@ -40°C (-40°F)	D 256	63C J/m (1.2C ft·lbf/in.)
Impact Strength, Unnotched^b
@ 23°C (73°F)	D 4812	NB
@ -40°C (-40°F)	D 4812	NB
Impact Resistance (Puncture), Energy @ Max. Load
@ 0°C (32°F)	D 3763	41 J (30 ft·lbf)
@ 23°C (73°F)	D 3763	41 J (30 ft·lbf)
@ -40°C (-40°F)	D 3763	39 J (29 ft·lbf)
Optical Properties
Haze	D 1003	1.3 %
Gloss
@ 60°	D 2457	143
Regular Transmittance	D 1003	87 %
Total Transmittance	D 1003	91 %
Color
a*	D 2244	-0.2
b*	D 2244	0.6
L*	D 2244	95.0
Thermal Properties
Deflection Temperature
@ 0.455 MPa (66 psi)	D 648	73 °C (163 °F)
@ 1.82 MPa (264 psi)	D 648	63 °C (145 °F)
Vicat Softening Temperature	D 1525	85 °C (185 °F)

^aC = Complete Break; Nonbreak as defined by ASTM D 256.
^bNonbreak as defined by ASTM D 4812.

Comments
Properties reported here are typical of average lots. Eastman makes no representation that the material in any particular shipment will conform exactly to the values given.

Eastman and its marketing affiliates shall not be responsible for the use of this information, or of any product, method, or apparatus mentioned, and you must make your own determination of its suitability and completeness for your own use, for the protection of the environment, and for the health and safety of your employees and purchasers of your products. No warranty is made of the merchantability of fitness of any product, and nothing herein waives any of the Seller's conditions of sale.

5/4/2021 2:13:59 PM