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Technical Data Sheet
Eastman TREVA™ Engineering Bioplastic OP6026NAT Natural

  • Eyewear
Key Attributes
  • Dimensional stability
  • Easy polish and paint
  • Excellent flow
  • Warm touch and feel

Product Description
Eastman TREVA™ is a cellulose-based engineering bioplastic that offers both high performance and reduced environmental impact. TREVA is warm to touch, dimensionally stable and offers excellent flow and easy polish and paint for processing.

Typical Properties

PropertyaTest MethodbTypical Value, Unitsc
General Properties
Specific GravityD 7921.22
Mechanical Properties
Tensile Stress @ YieldD 63849 MPa (7107 psi)
Tensile Stress @ BreakD 63848 MPa (6962 psi)
Elongation @ BreakD 63818 %
Flexural ModulusD 7901940 MPa (2.81 x 105 psi)
Rockwell Hardness, R ScaleD 785100
Izod Impact Strength, Notched 
     @ 23°C (73°F)D 256216 J/m (4.05 ft·lbf/in.)
     @ -40°C (-40°F)D 256100 J/m (1.87 ft·lbf/in.)
Miscellaneous Properties
Mold Shrinkage, normalD 9550.7 %
Permanence Properties
Water Absorption, 24 h immersionD 5702.3 %
Target Processing Conditions
Drying Temperature in a Desiccant Dryer 75 °C (170 °F)
Drying Time in a Desiccant Dryer 4 hours
Barrel Set Temperaturee 235 °C (455 °F)
Mold Temperature 85 °C (185 °F)
Injection Speed 30 mm/sec (1.2 in./sec)
Maximum Barrel Residence Time 4 minutes
Thermal Properties
Deflection Temperatured 
     @ 0.455 MPa (66 psi)D 648114 °C (238 °F)
     @ 1.82 MPa (264 psi)D 64899 °C (210 °F)
Vicat Softening TemperaturedD 1525135 °C (275 °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.
dConditioned 4 hours at 70°C (158°F).
eWith actual measured melt temperature not to exceed 260°C (500°F).

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.

3/31/2020 2:12:57 PM