Amodel® AS-4145 HS

About
Amodel® AS-4145 HS polyphthalamide (PPA) is a a 45% glass reinforced resin that is hot-water moldable. Key properties include high heat resistance, high strength and stiffness over a broad temperature range, low moisture absorption, excellent chemical resistance and excellent electrical properties. This resin is ideal for automotive electrical and electronic applications, including connectors, sockets, switches and sensors. It is also a good choice for under-hood enclosures that protect critical control systems such as anti-lock brakes, traction control, steering, electronic engine control, transmission and chassis control units. Its rapid crystallization rate and high flow can result in shorter cycles, thereby enhancing molding productivity and lowering costs. Black: AS-4145 HS BK 324&&

Product Description
SupplierSolvay
GenericPPA
Material StatusCommercial: Active
FeaturesGood Rigidity,Good flexibility,Good Dimensional Stability,Quick molding cycle,High Heat Resistance,Lubricating,Solvent resistance,Low moisture absorption,Heat Stabilized,HB
AvailabilitysAfrica & Middle East ,North America,Latin America,Asia Pacific,Europe

Technical Data
PHYSICALNominal valueUnitTest method
Density1.55g/cm³ISO 1183/A
Shrinkage rate
TD1.0%ASTM D955
MD0.50%ASTM D955
Water absorption rate
24hr0.21%ASTM D570

MECHANICALNominal valueUnitTest method
Tensile modulus15200MPaASTM D638
Tensile modulus16100MPaISO 527-2
tensile strength
fracture224MPaISO 527-2
fracture228MPaASTM D638
Tensile strain
fracture2.2%ISO 527-2
fracture2.4%ASTM D638
Bending modulus13100MPaASTM D790
Bending modulus13400MPaISO 178
bending strength327MPaISO 178
yield328MPaASTM D790
compressive strength172MPaASTM D695
shear strength89.6MPaASTM D732
Poisson’s ratio0.40 ASTM E132

IMPACTNominal valueUnitTest method
Charpy Notched Impact Strength10kJ/m²ISO 179-1eA
Charpy Unnotch Impact strength63kJ/m²ISO 179/1eU
Impact strength of cantilever beam notch100J/mASTM D256
Impact strength of cantilever beam notch10kJ/m²ISO 180-1A

THERMALNominal valueUnitTest method
Hot deformation temperature
1.8 MPa, annealed, 3.18 mm300ASTM D648
1.8 MPa, unannealed298ISO 75-2/A
0.45 MPa, annealed, 3.2 mm320ASTM D648
Continuous use temperature210ASTM D3045
Melting temperature320ISO 11357-3
Melting temperature320ASTM D570
Linear coefficient of thermal expansion
TD ASTM E831
MD ASTM E831
0 to 90 ℃1.6E-5cm/cm/℃ASTM E831
149 to 249 ℃1.3E-5cm/cm/℃ASTM E831
0 to 90 ℃5.9E-5cm/cm/℃ASTM E831
149 to 249 ℃1.1E-4cm/cm/℃ASTM E831

Electrical performanceNominal valueUnitTest method
Volume resistivity8.0E+15ohms·cmASTM D257
Dielectric strength
1.59 mm24kV/mmASTM D149
Dielectric constant ASTM D150
60 Hz4.00 ASTM D150
1 MHz3.70 ASTM D150
Dissipation factor ASTM D150
60 Hz4.0E-3 ASTM D150
1 MHz0.011 ASTM D150
Compared to the leakage tracing index600VUL 746
High voltage arc marking rate
HVTR13.0mm/minUL 746

FLAME CHARACTERISTICSNominal valueUnitTest method
Flame retardant level
3.20 mmHB UL 94

Process Conditions
injectionNominal valueUnitTest method
Drying temperature121°C
Drying time4.0hr
Recommended maximum moisture content0.10%
Hopper temperature79°C
Barrel rear temperature318 to 324°C
Barrel front temperature327 to 332°C
Processing (melt) temperature329 to 343°C
Mold temperature66 to 93°C

Notes
1. Typical properties: these are not to be construed as specifications.
2. 1200 hr
3. These flammability ratings are not intended to reflect hazards presented by these or any other materials under actual fire conditions.
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