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Technical Data Sheet
Eastar™ Copolyester CN005

  • Compounders
  • Sporting equipment
Key Attributes
  • Ability to mold thick parts
  • Ease of processing
  • Easy to extrude, cut, decorate, and seal
  • Excellent chemical resistance
  • Excellent clarity and color
  • Excellent colorability
  • Good impact strength
  • Good stiffness
  • High gloss appearance
  • Improved gate aesthetics
  • Readily fill intricate molds
  • Toughness

Product Description
Eastar™ CN005 copolyester is a high flow product. Other outstanding features of Eastar™ CN are excellent chemical resistance, high gloss, and process enhancements such as faster drying times, faster cycle times, and lower scrap rates. Eastar™ CN is also ideally suited for two-shot molding techniques due to its lower processing temperatures, very slow crystallization rate, and flow characteristics.

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 Choose Eastman Chemical Company under the Manufacturer category and click search to display a list of our products.

This product has received a Platinum level Material Health Certificate from the Cradle to Cradle Products Innovation Institute. A Material Health Certificate is awarded to products that meet the Material Health requirements of the multi-attribute Cradle to Cradle CertifiedTM Product Standard. The Cradle to Cradle Products Innovation Institute is a nonprofit organization that administers the publicly available Cradle to Cradle CertifiedTM Product Standard, which provides designers and manufacturers with criteria and requirements for continually improving product materials and manufacturing processes. The Material Health Certificate provides manufacturers with a trusted way to communicate their efforts to identify and replace chemicals of concern in their products. For more information about Cradle to Cradle certification and to obtain printable certificates for Eastman copolyesters, visit Search for Eastman Chemical Company in the Material Health Certificate Registry.

Typical Properties

PropertyaTest MethodbTypical Value, Unitsc
General Properties
Specific GravityD 7921.20 g/cm3
Mold ShrinkageD 9550.003 mm/mm
Mechanical Properties
Tensile Stress @ YieldD 63850 MPa (7210 psi)
Tensile Stress @ BreakD 63835 MPa (6240 psi)
Elongation @ YieldD 6384.5 %
Elongation @ BreakD 638193 %
Flexural ModulusD 7901800 MPa (2.60 x 105 psi)
Flexural StrengthD 79067 MPa (9717 psi)
Rockwell Hardness, R ScaleD 785105
Izod Impact Strength, Notched 
     @ 23°C (73°F)D 25670 J/m (1.3 ft·lbf/in.)
     @ -40°CD 25638 J/m (.70 ft·lbf/in.)
Impact Strength, Unnotched 
     @ 23°C (73°F)D 4812NB
     @ -40°CD 4812NB
Impact Resistance (Puncture), Energy @ Max. Load 
     @ 23°CD 376340 J (30 ft lbf/f)
Optical Properties
Total TransmittanceD 100390 %
HazeD 1003<.6 %
Thermal Properties
Deflection Temperature 
     @ 0.455 MPa (66 psi)D 64871 °C (160 °F)
     @ 1.82 MPa (264 psi)D 64863 °C (145 °F)
Typical Processing Conditions
Drying Temperature 60 °C (140 °F)
Drying Time 2-4 hrs
Processing Melt Temperature 225-245 °C (440-470 °F)
Mold Temperature 16-50 °C (60-120 °F)

aUnless noted otherwise, all tests are run at 23°C (73°F) and 50% relative humidity.
bUnless noted otherwise, the test method is ASTM.
cUnits are in SI or US customary units.

Eastar™ Copolyester CN005 is a high flow product especially suited for thick-walled and two-shot molded applications where extreme clarity and gate aesthetics are important. This high flow product is also well suited for those applications utilizing thin-walled intricate parts. Other outstanding features of Eastar™ Copolyester CN005 are good physical properties, chemical resistance and ease of processing.

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.

3/14/2024 6:31:13 PM