Westlake Plastics Ardel® Polyarylate

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Westlake Plastics Ardel® Polyarylate
Categories:	Polymer; Thermoplastic; Polyarylate
Material Notes:	Ardel™ PAR polyarylate is a transparent, light-amber colored polymer that exhibits good toughness, superior optical and mechanical properties, exceptional UV stability, and excellent flexural fatigue resistance. Ardel™ PAR is specifically formulated to endure the damaging effects of UV light. When exposed to UV light, this unique material undergoes a molecular rearrangement resulting in the formation of a protective layer that essentially serves as a UV stabilizer. Ardel™ PAR is recommended for semiconductor components, solar energy components, appliance parts, and snap lock connectors. Industry: Engineering; Semiconductor and ESD Colors Available: Natural Attributes: Heat Resistant; Dielectric Properties Shapes: Extruded Slab; Extruded Film; Extruded Sheet Information provided by Westlake Plastics Co.
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Physical Properties	Metric	English	Comments

Specific Gravity	1.21 g/cc	1.21 g/cc	ASTM D792
Moisture Absorption	0.260 %	0.260 %	ASTM D570

Mechanical Properties	Metric	English	Comments
Tensile Strength at Break	69.0 MPa	10000 psi	ASTM D638
Elongation at Break	60 %	60 %	ASTM D638
Flexural Strength	84.0 MPa @Strain 5.0 %	12200 psi @Strain 5.0 %	ASTM D790
Flexural Modulus	2.10 GPa	304 ksi	ASTM D790
Izod Impact, Notched	2.25 J/cm	4.22 ft-lb/in	ASTM D256

Electrical Properties	Metric	English	Comments
Volume Resistivity	1.02e+7 ohm-cm	1.02e+7 ohm-cm	ASTM D257

Thermal Properties	Metric	English	Comments
Deflection Temperature at 1.8 MPa (264 psi)	175 °C	347 °F	ASTM D648

Descriptive Properties
Color	Natural

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