Syensqo (Solvay Specialty Polymers) Amodel® A-8422 LS WH159 Polyphthalamide (PPA), 22% Mineral

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Syensqo (Solvay Specialty Polymers) Amodel® A-8422 LS WH159 Polyphthalamide (PPA), 22% Mineral (discontinued **)
Categories:	Polymer; Thermoplastic; Polyphthalamide (PPA)
Material Notes:	Amodel® A-8422 LS is a light-stabilized, high-reflectivity, 22%-reinforced white polyphthalamide (PPA) that exhibits high heat resistance, high strength and stiffness over a broad temperature range, low moisture absorption, excellent chemical resistance, and excellent electrical properties. Features: Good Chemical Resistance; Good Color Stability; High Reflectivity; Light Stabilized; Low Moisture Absorption Uses: LEDs Injection Molding Notes: A general purpose screw is recommended, with minimum back pressure. Additional Properties: Mold Shrinkage - 1.0 %; Mold Shrinkage - 0.55 %; Optical Reflectivity - ASTM E1331 > 90 %; Optical Reflectivity - ASTM E1331 > 90 %; Optical Reflectivity - ASTM E1331 > 90 %; Tensile Strain at Break - ASTM D638 0.95 % Information provided by Solvay Specialty Polymers.
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Physical Properties	Original Value	Comments

Density	1.68 g/cc	ISO 1183
Filler Content	22 %	Mineral

Mechanical Properties	Original Value	Comments
Tensile Strength	95.1 MPa	ASTM D638
Tensile Stress	102 MPa	ISO 527-2
Elongation at Break	1.1 %	ISO 527-2
Tensile Modulus	10900 MPa	ISO 527-2
	11000 MPa	ASTM D638
Flexural Strength	145 MPa	ISO 178
	168 MPa	ASTM D790
Flexural Modulus	9930 MPa	ISO 178
	10200 MPa	ASTM D790
Izod Impact, Notched (ISO)	2.70 kJ/m²	Type 1, Notch A; ISO 180

Thermal Properties	Original Value	Comments
CTE, linear, Parallel to Flow	21.0 µm/m-°C @Temperature 150 - 200 °C	4
	24.0 µm/m-°C @Temperature 100 - 150 °C	4
	26.0 µm/m-°C @Temperature 50.0 - 100 °C	4
	27.0 µm/m-°C @Temperature 200 - 250 °C	4
CTE, linear, Transverse to Flow	51.0 µm/m-°C @Temperature 50.0 - 100 °C	TMA; ASTM E831
	73.0 µm/m-°C @Temperature 100 - 150 °C	TMA; ASTM E831
	110 µm/m-°C @Temperature 150 - 200 °C	TMA; ASTM E831
	130 µm/m-°C @Temperature 200 - 250 °C	TMA; ASTM E831
Melting Point	327 °C	ISO 11357-3
Deflection Temperature at 0.46 MPa (66 psi)	280 °C

Processing Properties	Original Value	Comments
Rear Barrel Temperature	304 - 318 °C
Front Barrel Temperature	316 - 329 °C
Melt Temperature	321 - 343 °C
Mold Temperature	135 °C
Drying Temperature	120 °C @Time 14400 sec
Moisture Content	<= 0.045 %

Descriptive Properties
Availability	Africa & Middle East
	Asia Pacific
	Europe
	Latin America
	North America
Color	White
Form	Pellets
Processing Technique	Injection Molding

**
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PSOL8Y6953 / 176684

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