Eastman Tenite 371A2R30008 Cellulose Acetate Propionate, Natural, Trsp

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Eastman Tenite 371A2R30008 Cellulose Acetate Propionate, Natural, Trsp (discontinued **)
Categories:	Polymer; Renewable/Recycled Polymer; Thermoplastic; Cellulosic; Cellulose Acetate Propionate, Molded
Material Notes:	Applications: Consumer-Personal Care Toothbrushes Product Description: Tenite cellulosic plastics are noted for their excellent balance of properties - toughness, hardness, strength, surface gloss, clarity, and a warm feel. The mechanical properties of Tenite cellulosic plastics differ with plasticizer levels. Lower plasticizer content yields a harder surface, higher heat resistance, greater rigidity, higher tensile strength, and better dimensional stability. Higher plasticizer content increases impact strength. Tenite cellulosic plastics are available in natural, clear, selected ambers or smoke transparents and black translucent. Color concentrates are available in let-down ratios from 10:1 to 40:1. Tenite Cellulose Acetate Propionate 371-08 contains a mold release and has a plasticizer level of 8%. Information provided by Eastman.
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Physical Properties	Metric	English	Comments

Specific Gravity	1.21 g/cc	1.21 g/cc	ASTM D792
Water Absorption	1.6 % @Time 86400 sec	1.6 % @Time 24.0 hour	Immersion; ASTM D570
Linear Mold Shrinkage	0.0020 - 0.0060 cm/cm	0.0020 - 0.0060 in/in	ASTM D955

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell R	92	92	ASTM D785
Tensile Strength at Break	38.9 MPa	5640 psi	ASTM D638
Tensile Strength, Yield	39.0 MPa	5660 psi	ASTM D638
Elongation at Break	45 %	45 %	ASTM D638
Flexural Strength	52.0 MPa	7540 psi	ASTM D790
Flexural Modulus	1.758 GPa	255.0 ksi	ASTM D790
Izod Impact, Notched	0.910 J/cm @Temperature -40.0 °C	1.70 ft-lb/in @Temperature -40.0 °F	ASTM D256
	2.14 J/cm @Temperature 23.0 °C	4.01 ft-lb/in @Temperature 73.4 °F	ASTM D256

Electrical Properties	Metric	English	Comments
Volume Resistivity	1.00e+13 - 1.00e+15 ohm-cm	1.00e+13 - 1.00e+15 ohm-cm	ASTM D257
Dielectric Constant	3.3 - 3.8 @Frequency 1e+6 Hz	3.3 - 3.8 @Frequency 1e+6 Hz	ASTM D150
Dissipation Factor	0.010 - 0.15 @Frequency 1e+6 Hz	0.010 - 0.15 @Frequency 1e+6 Hz	ASTM D150

Thermal Properties	Metric	English	Comments
CTE, linear	110 - 170 µm/m-°C	61.1 - 94.4 µin/in-°F	ASTM D696
Specific Heat Capacity	1.26 - 1.67 J/g-°C	0.301 - 0.399 BTU/lb-°F	DSC
Thermal Conductivity	0.170 - 0.330 W/m-K	1.18 - 2.29 BTU-in/hr-ft²-°F	ASTM C177
Deflection Temperature at 0.46 MPa (66 psi)	90.0 °C	194 °F	ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	80.0 °C	176 °F	ASTM D648
Vicat Softening Point	105 °C	221 °F	ASTM D1525

Optical Properties	Metric	English	Comments
Refractive Index	1.46 - 1.49 @Wavelength 589.3 nm	1.46 - 1.49 @Wavelength 589.3 nm	n_D; ASTM D542
Haze	<= 8.5 %	<= 8.5 %	ASTM D1003
Transmission, Visible	>= 90 %	>= 90 %	ASTM E308

Descriptive Properties
Formula Number	371		Mold Release
Plasticizer	8 percent
Soluble Matter Loss	0.1 percent		ASTM D570
Weight Loss on Heating	0.4 percent		ASTM D707, 72 hrs, 80°C

**
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PE8838 / 129683

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