Eastar GN071
Eastman Chemical Company - Polyester, Thermoplastic

General Information
Product Description

Eastar GN071 Copolyester is used for injection molding applications. It is sparkling clear, tough, chemical resistant, odor free, versatile, easy to work with and affordable. Cleaning solutions will not turn Eastar GN071 white.

Key Attributes:
- Exceptional clarity
- Good impact strength
- Outstanding chemical resistance
- High gloss
- Toughness
- Excellent colorability
- Easy to extrude, cut, print, and seal
- Effective barrier properties
- Good stiffness

General  
Material Status
  • Commercial: Active
    • Availability
  • Africa
  • Asia
  • Australia
  • Europe
  • Latin America
    		•  
  • Middle East
  • North America
  • Pacific Rim
  • South America
    • Test Standards Available
  • ASTM
  • ISO
    • Features
  • Barrier Resin
  • Chemical Resistance, Good
  • Clarity, High
  • Colorability, Good
  • Gloss, High
    		•  
  • Impact Resistance, Good
  • Odor, Low to None
  • Processability, Good
  • Stiffness, Good
  • Toughness, Good
    • Uses
  • Appliances
  • Furniture
  • Household Goods
  • Packaging
  • Packaging, Cosmetic
    		•  
  • Sporting Goods
  • Stationary Supplies
  • Toys
  • Writing Instruments
    • Appearance
  • Natural Color
    • Forms
  • Pellets
    • Processing Method
  • Injection Molding
    •  
    ASTM and ISO Properties 1
    Physical
    Nominal Value
    Unit
    Test Method
    Density -Specific Gravity
    1.27
    sp gr 23/23°C
    ASTM D792
    Mold Shrink, Linear-Flow (0.126 in)
    0.0020 to 0.0050
    in/in
    ASTM D955
    Mechanical
    Nominal Value
    Unit
    Test Method
    Tensile Modulus
    294000
    psi
    ASTM D638
    Tensile Modulus
    290000
    psi
    ISO 527-1, -2
    Tensile Strength @ Yield
    7250
    psi
    ASTM D638
    Tensile Stress at Yield
    6960
    psi
    ISO 527-1, -2
    Tensile Strength @ Break
  • 4210
  • 4350
    • psi
    ASTM D638
    Tensile Elongation @ Yld
    4.4
    %
    ASTM D638
    Tensile Strain at Yield
    4.0
    %
    ISO 527-1, -2
    Tensile Elongation @ Brk
    180
    %
    ASTM D638
    Tensile Strain at Break
    200
    %
    ISO 527-1, -2
    Flexural Modulus
    299000
    psi
    ASTM D790
    Flexural Modulus
    305000
    psi
    ISO 178
    Flexural Strength
    9860
    psi
    ASTM D790
    Flexural Strength
    9720
    psi
    ISO 178
    Impact
    Nominal Value
    Unit
    Test Method
    Notched Izod Impact     ASTM D256
    (-40 °F)
    0.749
    ft-lb/in
    		  
    (73 °F)
    1.97
    ft-lb/in
    		  
    Notched Izod Impact Strength     ISO 180
    (-40 °F)
    2.09
    ft-lb/in²
    		  
    (73 °F)
    4.47
    ft-lb/in²
    		  
    Unnotched Izod Impact     ASTM D256
    (-40 °F)
    No Break
    ft-lb/in
    		  
    (73 °F)
    No Break
    ft-lb/in
    		  
    Hardness
    Nominal Value
    Unit
    Test Method
    Rockwell Hardness (R-Scale)
    108
     
    ASTM D785
    Thermal
    Nominal Value
    Unit
    Test Method
    DTUL @66psi - Unannealed
    158
    °F
    ASTM D648
    HDT B (0.45 MPa) Unannealed
    158
    °F
    ISO 75B-1, -2
    DTUL @264psi - Unannealed
    144
    °F
    ASTM D648
    HDT A (1.80 MPa) Unannealed
    144
    °F
    ISO 75A-1, -2
    Optical
    Nominal Value
    Unit
    Test Method
    Haze
    0.20
    %
    ASTM D1003
    Additional Properties

    Total Transmittance, ASTM D1003: 90%

     
    Processing Information
    Injection
    Nominal Value
    Unit
    Drying Temperature
    160
    °F
    Drying Time
    6.0
    hr
    Processing (Melt) Temp
    480 to 520
    °F
    Mold Temperature
    60.8 to 100
    °F
     
    Notes
    1 Typical properties: these are not to be construed as specifications.
       
     

    Makes no representation or warranty of any kind, express or implied, with respect to this product, as to merchantability, Fitness for particular purpose or otherwise. The data listed represents average values and are believed to be reliable, They are given for information; no guarantee of their accuracy is made, however, and the product is sold upon condition that purchasers shall make their own test to determinate the characteristics of the product and the suitability of the product for their particular process.