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Ensinger PEI

Syensqo (Solvay Specialty Polymers) Amodel® A-4122 LS WH 678 PPA, 22% glass fiber
Categories: Polymer; Thermoplastic; Polyphthalamide (PPA); Polyphthalamide (PPA), 20% Glass Fiber Reinforced

Material Notes: 22% glass fiber, high-reflectivity white for LEDs, fast cycle time, hot-water molds, light stabilized

Amodel® A-4122 LS is a 22% glass fiber reinforced, light-stabilized, high-reflectivity white grade of Amodel polyphthalamide (PPA). It is designed to provide high crystallinity when molded in water-cooled molds. This resin 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 can result in short cycles and therefore high molding productivity and lower part cost.

- White: A-4122 LS WH 678

Markets/Uses: Automotive / Automotive E/E / LEDs

Applications: Automotive Applications; Automotive Electronics

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

Injection notes: Injection Rate: 3 to 4 in/sec
Holding Pressure: 50% of injection pressure
Storage:
- Amodel® compounds are shipped in moisture-resistant packages at moisture levels according to specifications. Sealed, undamaged bags should be preferably stored in a dry room at a maximum temperature of 50°C (122°F) and should be protected from possible damage. If only a portion of a package is used, the remaining material should be transferred into a sealable container. It is recommended that Amodel® resins be dried prior to molding following the recommendations found in this datasheet and/or in the Amodel® processing guide.

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 PropertiesMetricEnglishComments
Density 1.59 g/cc0.0574 lb/in³Method A; ISO 1183
Water Absorption 0.19 %
@Time 86400 sec
0.19 %
@Time 24.0 hour
ASTM D570
Linear Mold Shrinkage, Flow 0.0040 cm/cm0.0040 in/inASTM D955
Linear Mold Shrinkage, Transverse 0.0060 cm/cm0.0060 in/inASTM D955
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell R 124124ASTM D785
Tensile Strength 104 MPa15100 psiASTM D638
Elongation at Break 1.2 %1.2 %ASTM D638
Tensile Modulus 9.10 GPa1320 ksiASTM D638
Flexural Strength 165 MPa23900 psiASTM D790
Flexural Modulus 8.10 GPa1170 ksiASTM D790
Izod Impact, Notched 0.180 J/cm0.337 ft-lb/inASTM D256
 
Thermal PropertiesMetricEnglishComments
CTE, linear, Parallel to Flow  25.0 µm/m-°C
@Temperature 0.000 - 100 °C
13.9 µin/in-°F
@Temperature 32.0 - 212 °F
ASTM E831
 190 µm/m-°C
@Temperature 150 - 250 °C
106 µin/in-°F
@Temperature 302 - 482 °F
ASTM E831
CTE, linear, Transverse to Flow  96.0 µm/m-°C
@Temperature 0.000 - 100 °C
53.3 µin/in-°F
@Temperature 32.0 - 212 °F
ASTM E228
 150 µm/m-°C
@Temperature 150 - 250 °C
83.3 µin/in-°F
@Temperature 302 - 482 °F
ASTM E228
Melting Point 323 °C613 °FPeak; ASTM D3418
Deflection Temperature at 0.46 MPa (66 psi) 290 °C554 °FUnannealed; ASTM D648
 
Optical PropertiesMetricEnglishComments
Reflection Coefficient, Visible (0-1) >= 0.90>= 0.90ASTM E1331
 
Processing PropertiesMetricEnglishComments
Rear Barrel Temperature 318 - 324 °C604 - 615 °F
Middle Barrel Temperature 318 - 324 °C604 - 615 °F
Front Barrel Temperature 327 - 332 °C621 - 630 °F
Melt Temperature 329 - 343 °C624 - 649 °FInjection
Mold Temperature 65.0 - 93.0 °C149 - 199 °F
Drying Temperature 120 °C
@Time 14400 sec
248 °F
@Time 4.00 hour
Moisture Content 0.030 - 0.060 %0.030 - 0.060 %Injection
 
Descriptive Properties
AdditiveUV Stabilizer
AvailabilityAsia Pacific
 Europe
 Latin America
 North America
ColorWhite
FormsPellets
ProcessingWater-Heated Mold Injection Molding
RoHS ComplianceYes

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