Ultramid® C3U

About
Ultramid C3U is an injection molding, general purpose PA6/66 grade with improved flame retardance. The product is UL recognized as 94V0 at 0.4 mm minimum thickness. Applications It is used for impact resistant electrical insulating parts such as contact bases and plug connector strips.&&

Product Description
SupplierBASF
GenericPA66/6
Material StatusCommercial: Active
FeaturesHigh impact resistance,Flame Characteristics,V-0
AvailabilitysNorth America,Asia Pacific,Europe
Process MethodsInjection Molding

Technical Data
PHYSICALNominal valueUnitTest method
Density1.16g/cm³ASTM D792
Density1.16g/cm³ISO 1183
Melt Volume Rate
275℃,5 kg140cm³/10minISO 1133
Shrinkage rate
MD:3.2 mm0.80%
Water absorption rate
Saturation, 23 ℃8.5%ISO 62
saturated8.5%ASTM D570
Equilibrium, 23 ℃, 50% RH2.9%ISO 62
Balance, 50% RH2.9%ASTM D570

IMPACTNominal valueUnitTest method
Charpy Notched Impact Strength ISO 179
-30℃4.0kJ/m²ISO 179
23℃9.0kJ/m²ISO 179
Charpy Unnotch Impact strength
23℃80kJ/m²ISO 179
Impact strength of cantilever beam notch ASTM D256
23℃4.5kJ/m²ISO 180
-40℃32J/mASTM D256
23℃43J/mASTM D256

THERMALNominal valueUnitTest method
Hot deformation temperature
1.8 MPa, unannealed70.0ISO 75-2/A
1.8 MPa, unannealed91.0ASTM D648
0.45 MPa, unannealed224ASTM D648
Melting peak temperature243ASTM D3418
Melting temperature
DSC243ISO 3146
Linear coefficient of thermal expansion
TD9.0E-51/℃
MD4.0E-51/℃ASTM E831
MD8.0E-51/℃
Flame retardant grade (0.38 mm)110UL 746
0.75 mm120UL 746
3.0 mm120UL 746
Relative temperature index
Electrical performance UL 746
Strength mechanical performance UL 746
Impact mechanical performance UL 746
Flame retardant grade (0.38 mm)65.0UL 746
0.75 mm105UL 746
1.5 mm105UL 746
3.0 mm105UL 746
0.75 mm115UL 746
1.5 mm120UL 746

Electrical performanceNominal valueUnitTest method
Volume resistivity1.0E+13ohms·cmIEC 60093
1.50 mm1.0E+13ohms·cmASTM D257
Dielectric strength32kV/mmIEC 60243-1
Dielectric constant
1 MHz3.60 IEC 60250
Dissipation factor
1 MHz0.020 IEC 60250
Compared to the leakage tracing index600VIEC 60112

FLAME CHARACTERISTICSNominal valueUnitTest method
Flame retardant level UL 94
0.38 mmV-0 UL 94
0.75 mmV-0 UL 94
1.50 mmV-0 UL 94
3.00 mmV-0 UL 94

MECHANICALNominal valueUnitTest method
Tensile modulus
23℃3500MPaISO 527-2
tensile strength
Yield, 23 ℃83.0MPaASTM D638
Yield, 23 ℃75.0MPaISO 527-2
Tensile strain
Fracture, 23 ℃50%ASTM D638
Yield, 23 ℃5.0%ASTM D638
Yield, 23 ℃4.0%ISO 527-2
Nominal tensile fracture strain
23℃6.0%ISO 527-2
Bending modulus
23℃3000MPaASTM D790
23℃3000MPaISO 178
Ball hardness100MPaISO 2039-1

Process Conditions
injectionNominal valueUnitTest method
Drying temperature80°C
Drying time2.0 to 4.0hr
Recommended maximum moisture content0.15%
Processing (melt) temperature240 to 285°C
Mold temperature65 to 80°C
Injection pressure3.50 to 12.5MPa
Injection speedFast 

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