Westlake Plastics Tempalux® PEI

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Westlake Plastics Tempalux® PEI
Categories:	Polymer; Thermoplastic; Polyetherimide (PEI)
Material Notes:	Tempalux® Polyetherimide (PEI) is an amorphous material that offers a combination of useful characteristics, including high dielectric strength, high strength at elevated temperatures (up to 180°C for extended periods of time), high modulus, and broad chemical resistance. Tempalux® is inherently flame resistant with low smoke emission. The material has good resistance to environmental stress cracking when exposed to a wide variety of chemicals. Industry: Aerospace; Chemical Process; Semiconductor and ESD Colors Available: Black, Natural Attributes: Dimensional Stability; Dielectric Properties; Chemical Resistance; Heat Resistant; Food Contact Shapes: Extruded Slab; Compression Sheet; Extruded Sheet; Extruded Film; Extruded Rod Information provided by Westlake Plastics Co.
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Physical Properties	Metric	English	Comments

Specific Gravity	1.27 g/cc	1.27 g/cc	ASTM D792
Water Absorption	0.25 % @Time 86400 sec	0.25 % @Time 24.0 hour	ASTM D570

Mechanical Properties	Metric	English	Comments
Tensile Strength at Break	90.0 MPa	13100 psi	ASTM D638
Tensile Strength, Yield	103 MPa	15000 psi	ASTM D638
Elongation at Break	60 %	60 %	ASTM D638
Elongation at Yield	7.0 %	7.0 %	ASTM D638
Tensile Modulus	3.58 GPa	519 ksi	ASTM D638
Flexural Yield Strength	172 MPa	25000 psi	ASTM D790
Flexural Modulus	3.43 GPa	497 ksi	ASTM D790
Izod Impact, Notched	0.529 J/cm	0.990 ft-lb/in	ASTM D256

Electrical Properties	Metric	English	Comments
Volume Resistivity	102 ohm-cm	102 ohm-cm	ASTM D257

Thermal Properties	Metric	English	Comments
Deflection Temperature at 1.8 MPa (264 psi)	393 °C	739 °F	ASTM D648

Descriptive Properties
Color	Transparent Amber

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