Eastman Tenite 285A3R30018 Butyrate Natural, Trsp

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Eastman Tenite 285A3R30018 Butyrate Natural, Trsp (discontinued **)
Categories:	Polymer; Renewable/Recycled Polymer; Thermoplastic; Cellulosic; Cellulose Acetate Butyrate, Molded
Material Notes:	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 cellulose plastics are available in natural, clear, selected ambers, or smoke transparents and black translucents. Color concentrates are available in let-down ratios from 10:1 to 40:1. Tenite Cellulose Acetate Butyrate 285-18 has a plasticizer level of 18% and contains an odor mask. Applications/Uses Ophthalmic Optical safety frames
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Physical Properties	Metric	English	Comments

Specific Gravity	1.17 g/cc	1.17 g/cc	ASTM D792
Water Absorption	1.3 %	1.3 %	24h Immersion; ASTM D570
Collected Volatile Condensable Material	0.90 %	0.90 %	Weight loss on heating, 72hrs, 80°C; ASTM D707

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell R	26	26	ASTM D785
Tensile Strength at Break	30.7 MPa	4450 psi	ASTM D638
Tensile Strength, Yield	23.5 MPa	3410 psi	ASTM D638
Elongation at Break	50 %	50 %	ASTM D638
Flexural Yield Strength	30.4 MPa	4410 psi	ASTM D790
Flexural Modulus	1.034 GPa	150.0 ksi	ASTM D790
Izod Impact, Notched	1.10 J/cm @Temperature -40.0 °C	2.06 ft-lb/in @Temperature -40.0 °F	ASTM D256
	3.58 J/cm @Temperature 23.0 °C	6.71 ft-lb/in @Temperature 73.4 °F	ASTM D256

Thermal Properties	Metric	English	Comments
Deflection Temperature at 0.46 MPa (66 psi)	75.0 °C	167 °F	ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	61.0 °C	142 °F	ASTM D648
Vicat Softening Point	94.0 °C	201 °F	ASTM D1525

Optical Properties	Metric	English	Comments
Haze	<= 8.5 %	<= 8.5 %	ASTM D1003

Descriptive Properties
Plasticizer, %	18
Soluble Matter Loss, %	0.1		ASTM D570

**
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