Ultramid® A3W

About
An easy flowing, heat aging resistant injection moulding grade for fast processing. Uses include highly stressed parts such as bearings, bearing cages, gear-wheels, coil formers and cable connectors.&&

Product Description
SupplierBASF
GenericPA66
Material StatusCommercial: Active
FeaturesGood heat aging resistance,Good liquidity,Quick molding cycle,Grease resistance
AvailabilitysAsia Pacific,Europe
Process MethodsInjection Molding

Technical Data
PHYSICALNominal valueUnitTest method
Melt Volume Rate
270℃,5 kg100cm³/10minISO 1133
Density1.13g/cm³ISO 1183
Viscosity (0.5%, 96% H2SO4)150cm³/gISO 307, 1157, 1628
Water absorption rate
Saturation, 23 ℃8.0~9.0%ISO 62
Equilibrium, 23 ℃, 50% RH2.5~3.1%ISO 62

MECHANICALNominal valueUnitTest method
Tensile modulus3000MPaISO 527-1-2
tensile strength
yield85MPaISO 527-1-2
Tensile strain
yield4.4%ISO 527-1/2
fracture25%ISO 527-1/2
Tensile creep modulus (1000hs, strain<=0.5%, 23 ℃)700MPaISO 899-1
Bending modulus2900MPaISO 178

THERMALNominal valueUnitTest method
Hot deformation temperature
1.8 MPa75ISO 75-1/2
0.45 MPa220ISO 75-1/2
Maximum operating temperature (short cycle)200
Temperature index
5000 hours, 50% loss of tensile strength130IEC 60216
20000 hours, 50% loss of tensile strength109IEC 60216
Linear coefficient of thermal expansion
MD:23~80℃70~100E-6/KISO 11359-1/-2
Thermal conductivity coefficient0.33W/m/KDIN 52612-1
Specific heat capacity1700J/(kg·K)

FLAME CHARACTERISTICSNominal valueUnitTest method
Flame retardant level
1.60 mmV-2IEC 60695
0.80 mmV-2UL 94,IEC 60695

IMPACTNominal valueUnitTest method
Charpy Notched Impact Strength
23℃NBkJ/m²ISO 179/1eU
23℃6kJ/m²ISO 179/1eA
-30℃5kJ/m²ISO 179/1eA
Impact strength of cantilever beam notch
23℃5.5kJ/m²ISO 180A
-30℃6kJ/m²ISO 180A

Electrical performanceNominal valueUnitTest method
Relative permittivity
1 MHz3.2IEC 62631-2-1
Dissipation factor
1 MHz250E-4IEC 62631-2-1
Volume resistivity1×10^13Ohm·mIEC 62631-3-1

Process Conditions
injectionNominal valueUnitTest method
Drying temperature80°C
Drying time4.0hr
Recommended maximum moisture content0.15%
Hopper temperature80°C
Barrel rear temperature290°C
Barrel middle temperature290°C
Barrel front temperature290°C
Nozzle temperature290°C
Processing (melt) temperature280~300°C
Mold temperature60~80°C

Notes
1. Typical properties: these are not to be construed as specifications.
2. Test box with central gating, dimensions of base (107*47*1,5) mm, processing conditions: TM = 290°C, TW = 60°C
3. strain <= 0.5%, 23°C
4. 5000 h
5. 20000 h
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