Technical Data Sheet
Eastman TREVA™ Engineering Bioplastic TR6021NAT Natural
Applications
Non-medical housings & hardware for elec
Pens/stationary
Toys
Key Attributes
BPA-free
Dimensional stability
Excellent chemical resistance
Excellent flow
Low birefringence
Product Description
Eastman TREVA™ is a cellulose-based engineering bioplastic that offers both high performance and reduced environmental impact. TREVA is chemically resistant, dimensionally stable and has excellent flow, BPA-free and enables exceptional depth of color and high gloss for opaque applications.
Typical Properties
Property
a
Test Method
b
Typical Value, Units
c
General Properties
Specific Gravity
D 792
1.22
Mechanical Properties
Tensile Stress @ Yield
D 638
48 MPa (6962 psi)
Tensile Stress @ Break
D 638
47 MPa (6817 psi)
Elongation @ Break
D 638
25 %
Flexural Modulus
D 790
2044 MPa (2.96 x 10
5
psi)
Rockwell Hardness, R Scale
D 785
101
Izod Impact Strength, Notched
@ 23°C (73°F)
D 256
192 J/m (3.60 ft·lbf/in.)
@ -40°C (-40°F)
D 256
94 J/m (1.76 ft·lbf/in.)
Miscellaneous Properties
Mold Shrinkage
D 955
0.8 %
Permanence Properties
Water Absorption, 24 h immersion
D 570
2.2 %
Target Processing Conditions
Drying Temperature in a Desiccant Dryer
75 °C (170 °F)
Drying Time in a Desiccant Dryer
4 hours
Barrel Set Temperature
e
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 Temperature
d
@ 0.455 MPa (66 psi)
D 648
112 °C (234 °F)
@ 1.82 MPa (264 psi)
D 648
101 °C (214 °F)
Vicat Softening Temperature
d
D 1525
130 °C (266 °F)
a
Unless noted otherwise, all tests are run at 23°C (73°F) and 50% relative humidity.
b
Unless noted otherwise, the test method is ASTM.
c
Units are in SI or US customary units.
d
Conditioned 4 hours at 70°C (158°F).
e
With actual measured melt temperature not to exceed 260°C (500°F).
Comments
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.
4/1/2020 1:34:48 PM