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EASTAR™ GN078
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Producer: 
Eastman
Brand: 
EASTAR
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.

EASTAR™ GN078

Producer: 
Eastman
Brand: 
EASTAR
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.

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Identification & Functionality

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Chemical Family
Plastics & Elastomers Functions
Technologies

Applications & Uses

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Plastics & Elastomers End Uses
Recommended 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

Properties

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Physical Form
Mechanical Properties
ValueUnitsTest Method / Conditions
Tensile Strength at Break48.3MPaASTM D 638
Tensile Strength at Yield47.6MPaASTM D 638
Elongation at Yield5%ASTM D 638
Elongation at Break300%ASTM D 638
Elongation at Yield5.0%D 638
Elongation at Break300.0%D 638
Tensile Modulus1862MPaASTM D 638
Tensile Modulus1900 (2.7 x 105)mPa (psi)D 638
Impact Resistance (Puncture), Energy at Max. Load at 0°C41 (30)J (ft·lbf)D 3763
Flexural Strength64.8MPaASTM D 790
Impact Resistance (Puncture), Energy at Max. Load at 23°C41 (30)J (ft·lbf)D 3763
Flexural Strength65 (9400)mPa (psi)D 790
Flexural Modulus1862MPaASTM D 790
Flexural Modulus1900 (2.7 x 105)mPa (psi)D 790
Impact Resistance (Puncture), Energy at Max. Load at -40°C39 (29)J (ft·lbf)D 3763
Impact Strength, Unnotched at 23°C (73°F)NB-D 4812
Impact Strength, Unnotched at -40°C (-40°F)NB-D 4812
Izod Impact Strength, Notched at 23°CNB-D 256
Izod Impact Strength, Notched at -40°C63C (1.2C)j/m (ft·lbf/in.)D 256
Rockwell Hardness, R Scale105.0-D 785
Tensile Stress at Break48 (7000)mPa (psi)D 638
Tensile Stress at Yield47 (6900)mPa (psi)D 638
Izod Impact notched (1/8 in)NJ/mASTM D 256
Izod Impact notched, Low-Temperature64.1J/mASTM D 256
Rockwell HardnessR105-ASTM D 785
Temperature-40°C
Physical Properties
ValueUnitsTest Method / Conditions
Mold Shrinkage (MD)0.003mm/mmASTM D 955
Density1250kg/m3ISO 1183
Thermal Properties
ValueUnitsTest Method / Conditions
Deflection Temperature at 0.455 MPa (66 psi)73 (163)°C (°F)D 648
Deflection Temperature Under Load (264 psi)62.8°CASTM D 648
Deflection Temperature Under Load (66 psi)72.8°CASTM D 648
Deflection Temperature at 1.82 MPa (264 psi)63 (145)°C (°F)D 648
Vicat Softening Temperature85 (185)°C (°F)D 1525
Vicat Temperature85°CASTM D 1525
Typical Properties
ValueUnitsTest Method / Conditions
Density1.25g/cm3D 792
Mold Shrinkage0.3%D 955
Optical Properties
ValueUnitsTest Method / Conditions
Haze1.3%ASTM D 1003
Gloss143-ASTM D 2457
Color-0.2-D 2244
Color0.6-D 2244
Haze1.3%D 1003
Color L*95.0-D 2244
Light Transmittance91%ASTM D 1003
Gloss at 60°143.0-D 2457
Regular Transmittance87.0%D 1003
Total Transmittance91.0%D 1003
Physical Form
Pellets
Color
Colors Available

Packaging & Availability

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Documents (2)

Name
Type
Eastar Copolyester GN078 Sales Specifications Sheet
Other
Eastman polymers, processing and mold design guidelines
Brochure