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Syensqo (Solvay Specialty Polymers) Amodel® A-4422 LS WH118 Polyphthalamide (PPA), 22% Mineral  (Unverified Data**)
Categories: Polymer; Thermoplastic; Polyphthalamide (PPA); Polyphthalamide (PPA), Mineral Filled
Material Notes: Amodel® A-4422 LS resin is a 22% reinforced, light-stabilized, high-reflectivity white grade of polyphthalamide (PPA). The material exhibits high heat resistance, high strength and stiffness over a broad temperature range, low moisture absorption, excellent chemical resistance, and excellent electrical properties.

Its rapid crystallization rate and high flow characteristics can result in shorter cycles, thereby enhancing molding productivity and lowering costs.

- White: A-4422 LS WH118

Chemical Resistant; Fast Molding Cycle; Good Color Stability; High Reflectivity; High Stiffness; Light Stabilized; Low Moisture Absorption

Uses: Automotive Applications; Automotive Electronics; LEDs

Processing: Injection Molding

Availability: Africa & Middle East; Asia Pacific; Europe; Latin America; North America

Information provided by Solvay Specialty Polymers.
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesOriginal ValueComments
Density 1.60 g/ccMethod A; ISO 1183
 1.60 g/ccMethod A; ISO 1183
Water Absorption 0.20 %
@Time 86400 sec		ASTM D570
Linear Mold Shrinkage, Flow 0.0050 cm/cmASTM D955
Linear Mold Shrinkage, Transverse 0.0060 cm/cmASTM D955
 
Mechanical PropertiesOriginal ValueComments
Tensile Strength 102 MPaASTM D638
Elongation at Break 1.3 %ISO 527-2
Tensile Modulus 9100 MPaISO 527-2
Flexural Strength 171 MPaISO 178
Flexural Modulus 7790 MPaISO 178
Izod Impact, Notched (ISO) 2.90 kJ/m²Type 1, Notch A; ISO 180
 
Thermal PropertiesOriginal ValueComments
CTE, linear, Parallel to Flow 31.0 µm/m-°C
@Temperature 200 - 250 °C		ASTM E831
 31.0 µm/m-°C
@Temperature 50.0 - 100 °C		ASTM E831
 938 µm/m-°C
@Temperature 100 - 150 °C		ASTM E831
CTE, linear, Transverse to Flow 63.0 µm/m-°C
@Temperature 50.0 - 100 °C		ASTM E831
 100 µm/m-°C
@Temperature 100 - 150 °C		ASTM E831
 150 µm/m-°C
@Temperature 200 - 250 °C		ASTM E831
Melting Point 324 °CISO 11357-3
Deflection Temperature at 0.46 MPa (66 psi) 306 °CUnannealed; ISO 75-2/B
 
Processing PropertiesOriginal ValueComments
Rear Barrel Temperature 318 - 324 °C
Front Barrel Temperature 327 - 332 °C
Melt Temperature 329 - 343 °C
Mold Temperature 66.0 - 93.0 °C
Drying Temperature 120 °C
@Time 14400 sec
Moisture Content 0.045 %
 
Descriptive Properties
ColorWhite
FormsPellets
RoHS ComplianceRoHS Compliant

**
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