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Rulon Bearings

Eastman Eastar GN078 Copolyester, Natural  (discontinued **)
Categories: Polymer; Thermoplastic; Polyester, TP; Polyethylene Terephthalate (PET); Polyethylene Terephthalate (PET), Unreinforced

Material Notes: 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®.

Applications/Uses:

  • Cosmetic jar caps
  • Cosmetic jars
  • Fragrance caps
  • Lipstick containers

Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Specific Gravity 1.25 g/cc1.25 g/ccASTM D792
Linear Mold Shrinkage 0.0030 cm/cm0.0030 in/inASTM D955
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell R 105105ASTM D785
Tensile Strength at Break 48.0 MPa6960 psiASTM D638
Tensile Strength, Yield 47.0 MPa6820 psiASTM D638
Elongation at Break 300 %300 %ASTM D638
Elongation at Yield 5.0 %5.0 %ASTM D638
Tensile Modulus 1.90 GPa276 ksiASTM D638
Flexural Strength 65.0 MPa9430 psiASTM D790
Flexural Modulus 1.90 GPa276 ksiASTM D790
Izod Impact, Notched  0.630 J/cm
@Temperature -40.0 °C
1.18 ft-lb/in
@Temperature -40.0 °F
ASTM D256
 NB
@Temperature 23.0 °C
NB
@Temperature 73.4 °F
ASTM D256
Izod Impact, Unnotched NBNBASTM D4812
 NB
@Temperature -40.0 °C
NB
@Temperature -40.0 °F
ASTM D4812
Puncture Energy 41.0 J30.2 ft-lbPuncture Resistance @Max Load, 0°C; ASTM D3763
 41.0 J30.2 ft-lbPuncture Resistance @Max Load, 23°C; ASTM D3763
 39.0 J
@Temperature -40.0 °C
28.8 ft-lb
@Temperature -40.0 °F
Puncture Resistance at Max Load; ASTM D3763
 
Thermal PropertiesMetricEnglishComments
Deflection Temperature at 0.46 MPa (66 psi) 73.0 °C163 °FASTM D648
Deflection Temperature at 1.8 MPa (264 psi) 63.0 °C145 °FASTM D648
Vicat Softening Point 85.0 °C185 °F1kg load; ASTM D1525
 
Optical PropertiesMetricEnglishComments
Haze 1.3 %1.3 %ASTM D1003
Gloss 143 %143 %at 60°; ASTM D2457
Transmission, Visible 87 %87 %Regular Transmittance; ASTM D1003
 91 %91 %Total Transmittance; ASTM D1003
 
Descriptive Properties
Color, CIE a*-0.2ASTM D2244
Color, CIE b*0.6ASTM D2244
Color, CIE L*95ASTM D2244

**
Materials flagged as discontinued () are no longer part of the manufacturer’s standard product line according to our latest information. These materials may be available by special order, in distribution inventory, or reinstated as an active product. Data sheets from materials that are no longer available remain in MatWeb to assist users in finding replacement materials.

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