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	Original Value	Comments

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

Mechanical Properties	Original Value	Comments
Tensile Strength at Break	90.0 MPa	ASTM D638
Tensile Strength, Yield	15000 psi	ASTM D638
Elongation at Break	60 %	ASTM D638
Elongation at Yield	7.0 %	ASTM D638
Tensile Modulus	519000 psi	ASTM D638
Flexural Yield Strength	25000 psi	ASTM D790
Flexural Modulus	497000 psi	ASTM D790
Izod Impact, Notched	0.990 ft-lb/in	ASTM D256

Electrical Properties	Original Value	Comments
Volume Resistivity	102 ohm-cm	ASTM D257

Thermal Properties	Original Value	Comments
Deflection Temperature at 1.8 MPa (264 psi)	393 °C	ASTM D648

Descriptive Properties
Color	Transparent Amber

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