Amodel® A-8940 HS

About
Amodel® A-8940 HS is a 40% glass-fiber-reinforced, heat-stabilized polyphthalamide (PPA) with a high heat deflection temperature and very high tensile strength. Excellent creep resistance and low moisture absorption are also characteristic of this resin. Black: A-8940 HS BK 328 Natural: A-8940 HS NT&&

Product Description
SupplierSolvay
GenericPPA
Material StatusCommercial: Active
FeaturesGood Rigidity,Good flexibility,Good Dimensional Stability,High Heat Resistance,Solvent resistance,Low moisture absorption
AvailabilitysAfrica & Middle East ,North America,Latin America,Asia Pacific,Europe
Process MethodsInjection Molding

Technical Data
PHYSICALNominal valueUnitTest method
Density1.57g/cm³ISO 1183/A
Shrinkage rate
TD0.68%ASTM D955
MD0.34%ASTM D955
Water absorption rate
24hr0.15%ASTM D570

MECHANICALNominal valueUnitTest method
Tensile modulus
23℃15100MPaISO 527-2
tensile strength
Fracture, 23 ℃243MPaISO 527-2
Tensile strain
Fracture, 23 ℃2.0%ISO 527-2
Bending modulus
23℃14500MPaISO 178
bending strength
Fracture, 23 ℃357MPaISO 178
Fracture bending strain
23℃2.6%ISO 178

IMPACTNominal valueUnitTest method
Charpy Notched Impact Strength ISO 179/1eA
-30℃9.5kJ/m²ISO 179/1eA
23℃9.7kJ/m²ISO 179/1eA
Charpy Unnotch Impact strength ISO 179/1eU
-30℃59kJ/m²ISO 179/1eU
23℃60kJ/m²ISO 179/1eU
Impact strength of cantilever beam notch
23℃10kJ/m²ISO 180-A
Notched impact strength of cantilever beam ISO 180/A
-30℃55kJ/m²ISO 180/A
23℃59kJ/m²ISO 180/A

THERMALNominal valueUnitTest method
Hot deformation temperature
1.8 MPa, unannealed293ISO 75-2/Af
0.45 MPa, unannealed311ISO 75-2/Bf
Melting temperature323ISO 11357-3

Process Conditions
injectionNominal valueUnitTest method
Drying temperature120°C
Drying time4.0hr
Recommended maximum moisture content0.030 to 0.060%
Barrel rear temperature316 to 329°C
Barrel middle temperature316 to 329°C
Barrel front temperature324 to 335°C
Processing (melt) temperature321 to 343°C
Mold temperature170°C

Notes
1. Typical properties: these are not to be construed as specifications.
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