Eastman Tritan™ VX301 Copolyester

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Eastman Tritan™ VX301 Copolyester
Categories:	Polymer; Thermoplastic; Polyester, TP
Material Notes:	Product Description: Eastman Tritan™ VX301 is an amorphous copolyester with excellent clarity and impact resistance. The outstanding chemical resistance, hydrolytic stability, and ease of processing make Tritan™ VX301 an ideal candidate for a broad spectrum of optical applications such sunglass lenses, optical glass lenses and safety eyewear. Application/Uses: Light transmitting media Machine guards Optical glass lenses Safety eyewear Sunglass lenses Key Attributes: Ease of processing Excellent clarity Excellent hydrolytic stability Outstanding impact resistance Quick cycle times Superior chemical resistance Information provided by Eastman
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Physical Properties	Original Value	Comments

Density	1.18 g/cc	ASTM D792
Linear Mold Shrinkage	0.0050 - 0.0070 cm/cm	ASTM D955

Mechanical Properties	Original Value	Comments
Hardness, Rockwell R	112	ASTM D785
Tensile Strength at Break	53.0 MPa	ASTM D638
Tensile Strength, Yield	43.0 MPa	ASTM D638
Elongation at Break	210 %	ASTM D638
Elongation at Yield	6.0 %	ASTM D638
Tensile Modulus	1550 MPa	ASTM D638
Flexural Yield Strength	62.0 MPa	ASTM D790
Flexural Modulus	1550 MPa	ASTM D790
Izod Impact, Notched	110 J/m @Temperature -40.0 °C	ASTM D256
	980 J/m @Temperature 23.0 °C	ASTM D256
Izod Impact, Unnotched	NB @Temperature -40.0 °C	ASTM D4812
	NB @Temperature 23.0 °C	ASTM D4812
Puncture Energy	61.0 J @Temperature 23.0 °C	Energy @ Max. Load; ASTM D3763
	66.0 J @Temperature -40.0 °C	Energy @ Max. Load; ASTM D3763

Thermal Properties	Original Value	Comments
Deflection Temperature at 0.46 MPa (66 psi)	99.0 °C	ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	85.0 °C	ASTM D648

Optical Properties	Original Value	Comments
Refractive Index	1.565	ASTM D1648
Abbe Number	31.07	ASTM C1648
Haze	<= 0.50 %	ASTM D1003
Transmission, Visible	90 %	Total; ASTM D1003

Processing Properties	Original Value	Comments
Melt Temperature	260 - 282 °C
Mold Temperature	38.0 - 66.0 °C
Drying Temperature	88.0 °C
Dry Time	4.00 - 6.00 hour

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PEATM5200 / 222394

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