Eastman Tenite 131E-28 Cellulose Acetate

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Eastman Tenite 131E-28 Cellulose Acetate (discontinued **)
Categories:	Polymer; Renewable/Recycled Polymer; Thermoplastic; Cellulosic; Cellulose Acetate, Molded
Material Notes:	28% plasticized and contains 50% fiber grade ester. ISO data as provided by the manufacturer, Eastman Chemical.
Key Words:	Cellulosic
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Physical Properties	Metric	English	Comments

Density	1.27 g/cc	0.0459 lb/in³
Linear Mold Shrinkage, Flow	0.0020 - 0.0060 cm/cm @Thickness 3.20 mm	0.0020 - 0.0060 in/in @Thickness 0.126 in

Mechanical Properties	Metric	English	Comments
Tensile Strength, Yield	33.0 MPa	4790 psi	50 mm/min
Elongation at Break	16 %	16 %
Elongation at Yield	3.2 %	3.2 %
Tensile Modulus	2.08 GPa	302 ksi	1mm/min
Charpy Impact Unnotched	NB	NB
	NB @Temperature -30.0 °C	NB @Temperature -22.0 °F
Charpy Impact, Notched	1.47 J/cm²	7.00 ft-lb/in²
	0.610 J/cm² @Temperature -30.0 °C	2.90 ft-lb/in² @Temperature -22.0 °F

Thermal Properties	Metric	English	Comments
CTE, linear, Parallel to Flow	111 µm/m-°C @Temperature 20.0 °C	61.7 µin/in-°F @Temperature 68.0 °F
CTE, linear, Transverse to Flow	133 µm/m-°C @Temperature 20.0 °C	73.9 µin/in-°F @Temperature 68.0 °F
Deflection Temperature at 0.46 MPa (66 psi)	90.0 °C	194 °F
Deflection Temperature at 1.8 MPa (264 psi)	80.0 °C	176 °F
Vicat Softening Point	84.0 °C	183 °F
Glass Transition Temp, Tg	99.0 °C	210 °F

Processing Properties	Metric	English	Comments
Melt Temperature	220 - 240 °C	428 - 464 °F

**
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