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Technical Data Sheet
Eastman Neostar™ Elastomer FN007

  • Automotive
  • Compounders
  • Diffuser film
  • Profiles
  • Protective & performance film
Key Attributes
  • Environmentally preferred, non-halogenated material
  • Excellent chemical resistance
  • Exceptional heat resistance and high temperature dimensional stability
  • High flexibility without plasticizers
  • Solvent bondable

Product Description
Eastman Neostar™ FN007 elastomer is the third in Eastman’s series of tough, clear, durable, general purpose grade copolyester ethers. Though originally designed for use in the profile and automotive markets, this innovative copolymer has also found use in tubing and packaging applications. Its excellent chemical, heat, and puncture resistance combined with its strength and durability make it a good choice for applications that require flex-crack resistance and a general utility in harsh environments. Neostar FN007 can be injection molded, extruded in blown film or tubing, or extrusion blow molded. The target inherent viscosity of this product is 1.23.

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
Film Properties
Thickness of Film Tested 0.13 mm (5 mils)
Refractive Index, nDD 5421.51
HazeD 10031 %
     @ 45°D 245773
Regular TransmittanceD 100391 %
Total TransmittanceD 100394 %
Tensile Stress @ Yield 
     T.D.D 88211.2 MPa (1600 psi)
Tensile Strength @ Break 
     M.D.D 88241.5 MPa (6000 psi)
     T.D.D 88218.1 MPa (2600 psi)
Elongation @ Yield 
     M.D.D 88246 %
     T.D.D 88220 %
Elongation @ Break 
     M.D.D 882330 %
     T.D.D 882>550 %
Tensile Modulus, Tangent 
     M.D.D 882197 MPa (28600 psi)
     T.D.D 882221 MPa (32000 psi)
Water Vapor Transmission RategF 372146 g/m2·24h (9.5 g/100in.2·24h)
Gas Permeability, O2 
     @ 30°C (86°F)D 1434940 cm3/m2*24h*atm (61 cm3/100in.2·24h·atm)
Coefficient of FrictionD 1894>1
Mechanical Properties
Specific GravityD 7921.13
Durometer Hardness 
     Shore A ScaleD 224095
     Shore D ScaleD 224055
Tensile Stress @ BreakdD 63823 MPa (3300 psi)
Tensile Stress @ YieldeD 63813 MPa (1900 psi)
Elongation @ YieldD 63838 %
Elongation @ BreakD 638400 %
Tensile ModulusD 638170 MPa (24650 psi)
Flexural ModulusD 790150 MPa (21750 psi)
Tear StrengthD 1004350 N (79 lbf)
Izod Impact Strength, Notched 
     @ -40°C (-40°F)D 25640 J/m (0.75 ft·lbf/in.)
Torsional Modulus Temperature 
     @ 240 MPa (35,000 psi)D 1043-28 °C (-18 °F)
     @ 930 MPa (135,000 psi)D 1043<-70 °C (<-94 °F)
Water Absorption, 24 h immersionD 5700.4 %
Thermal Properties
Inherent ViscosityEMN-A-AC-G-V-11.23
Flow Rate 
     (Condition 215°C/2.16 kg)D 12388 g/10 min
     (Condition 230°C/2.16 kg)D 123812 g/10 min
Crystalline Peak Melting Point (Tm)D 3418205 °C (400 °F)
Crystallization Temperature on Cooling (Tcc)DSC140 °C (284 °F)
Glass Transition Temperature (Tg)DSC-40 °C (-40 °F)
Specific Heatf 
     @ 100°C (212°F) - solidDSC1.8 kJ/kg·K (0.43 Btu/lb·°F)
     @ 150°C (302°F) - solidDSC2.0 kJ/kg·K (0.48 Btu/lb·°F)
     @ 175°C (347°F) - solidDSC2.3 kJ/kg·K (0.55 Btu/lb·°F)
     @ 200°C (392°F) - transitionDSC3.1 kJ/kg·K (0.74 Btu/lb·°F)
     @ 225°C (437°F) - meltDSC2.3 kJ/kg·K (0.55 Btu/lb·°F)
     @ 25°C (77°F) - solidDSC1.6 kJ/kg·K (0.38 Btu/lb·°F)
Heat of FusionE 79327 kJ/kg (11.6 Btu/lb)
Thermal ConductivityC 1770.19 W/m·K (1.3 Btu·in./h·ft2·°F)
Coefficient of Linear Thermal ExpansionD 69615 x 10-5 /°C (mm/mm·°C) (8 x 10-5 /°F (in./in.·°F))
Brittleness TemperatureD 746<-75 °C (<-103 °F)
Vicat Softening Temperature 
     @ 1 kg loadD 1525170 °C (338 °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.
dD 412, Die C specimens, which are equivalent to ASTM D 638, Type IV specimens. Specimens were 2.0 mm (0.075 in.) thick and were tested using a crosshead speed of 500 mm (20 in.) per min.
eInjection molded ASTM D 638 Type I specimens, about 3 mm (1/8 in.) thick, were tested using a crosshead speed of 500 mm (20 in.) per min.
fFor 200°C (392°F) - transition, apparent specific heat, including the effects of the heat of fusion.
gTest conducted at 38°C (100°F) and 100% relative humidity.

NEOSTAR elastomers are tough, clear and durable. NEOSTAR elastomer FN007 can be injection molded, extruded or extrusion blow molded. It has a property profile that is suitable for automotive applications such as trim and constant velocity or steering boots. It is suitable for coextrusion as a flexible element in profile extrusions.

Properties reported here are based on limited testing. 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.

7/14/2020 4:09:46 PM