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EASTAR™ GN046
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Producer: 
Eastman
Brand: 
EASTAR
Eastar™ Copolyester GN046 is a very high melt strength copolyester targeted for extrusion blow molding applications. Blow molding of large parts (up to several pounds) are possible with this material. This product is certified to ANSI/NSF Standard 51. 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™ GN046

Producer: 
Eastman
Brand: 
EASTAR
Eastar™ Copolyester GN046 is a very high melt strength copolyester targeted for extrusion blow molding applications. Blow molding of large parts (up to several pounds) are possible with this material. This product is certified to ANSI/NSF Standard 51. 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

Features & Benefits

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Product Highlights
  • Easy to extrude, cut, print, and seal
  • Effective barrier properties
  • Excellent chemical resistance
  • Excellent clarity
  • Excellent colorability
  • Good impact strength
  • Good stiffness
  • High gloss appearance
  • Toughness

Properties

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Flame Rating
Physical Form
Mechanical Properties
ValueUnitsTest Method / Conditions
Tensile Strength at Break28.3MPaASTM D 638
Tensile Strength at Yield50.3MPaASTM D638
Elongation at Yield4%ASTM D 638
Elongation at Break110%ASTM D 638
Elongation at Yield4.0%D 638
Elongation at Break110.0%D 638
Impact Resistance (Puncture), Energy at Max. Load at 23°C36 (27)J (ft·lbf)D 3763
Flexural Strength68.3MPaASTM D 790
Impact Resistance (Puncture), Energy at Max. Load at -40°C35 (26)J (ft·lbf)D 3763
Flexural Strength68 (9900)mPa (psi)D 790
Flexural Modulus2068MPaASTM D 790
Impact Strength, Unnotched at 23°C (73°F)NB-D 4812
Flexural Modulus2100 (3.0 x 105)mPa (psi)D 790
Impact Strength, Unnotched at -40°C (-40°F)NB-D 4812
Izod Impact Strength, Notched at 23°C94 (1.8)j/m (ft·lbf/in.)D 256
Izod Impact Strength, Notched at -40°C53 (1.0)j/m (ft·lbf/in.)D 256
Rockwell Hardness, R Scale108.0-D 785
Tensile Stress at Break28 (4100)mPa (psi)D 638
Tensile Stress at Yield50 (7300)mPa (psi)D 638
Izod Impact notched (1/8 in)96.1J/mASTM D 256
Izod Impact notched, Low-Temperature53.4J/mASTM D 256
Rockwell HardnessR108-ASTM D 785
Temperature-40°C
Physical Properties
ValueUnitsTest Method / Conditions
Mold Shrinkage (MD)0.0035mm/mmASTM D 955
Density1270kg/m3ASTM D 792
Typical Properties
ValueUnitsTest Method / Conditions
Mold Shrinkage Parallel to Flow, 3.2-mm (0.125-in.) thickness0.002-0.005 (0.002-0.005)mm/mm (in./in.)D 955
Specific Gravity1.27-D 792
Thermal Properties
ValueUnitsTest Method / Conditions
Deflection Temperature at 0.455 MPa (66 psi)70 (158)°C (°F)D 648
Deflection Temperature Under Load (66 psi)70°CASTM D 648
Deflection Temperature Under Load (264 psi)61.7°CASTM D 648
Deflection Temperature at 1.82 MPa (264 psi)62 (143)°C (°F)D 648
Vicat Softening Temperature at 1 kg load83 (181)°C (°F)D 1525
Vicat Temperature82.8°CASTM D 1525
Optical Properties
ValueUnitsTest Method / Conditions
Haze0.6%ASTM D 1003
Gloss152-ASTM D 2457
Gloss at 60°152.0-D 2457
Haze0.6%D 1003
Regular Transmittance87.0%D 1003
Light Transmittance90%ASTM D 1003
Total Transmittance90.0%D 1003
Processing Parameters
ValueUnitsTest Method / Conditions
Drying Temperature71 (160)°C (°F)-
Drying Time6.0hrs-
Mold Temperature16-38 (60-100)°C (°F)-
Processing Melt Temperature249-271 (480-520)°C (°F)-
Flame Rating
UL 94 HB
Physical Form
Pellets
Appearance
Clear

Regulatory & Compliance

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Certifications & Compliance

Packaging & Availability

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Documents (5)

Name
Type
Eastar Copolyester GN046 Sales Specifications Sheet
Other
Injection Molding Troubleshooting Guide - EASTMAN Copolyesters
Brochure
Eastman polymers, processing and mold design guidelines
Brochure
EASTAR copolyesters and Durastar polymers -- Keys to successful molding
Brochure
Consumer Markets - Material Selector Guide
Brochure